ONJSC :: Historical Monthly Summary Tables

Legend

M
missing data

M^a, M^b, ..., M^z
superscript denotes # of missing days/months
(a=1, b=2, ..., z=26+)

T
trace (<0.01" for precip, <0.1" for snow)

*
value has been manually entered by ONJSC staff

max value in a column

top 5 max values in a column

min value in a column

bottom 5 min values in a column

Trenton

Precipitation (in.)

Record represents manual merging of three Trenton station records - 288878 (1865-1913), 288883 (1913-1981), and KTTN (1998-present)

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
1865	M	M	M	M	M	M	M	M	Mⁿ	5.03	3.64	4.86^b	Mⁱ
1866	1.35^c	6.25	2.16^a	4.02	4.68	3.66	4.36	4.78	7.88	4.65	4.30	5.33^a	53.42
1867	M^g	5.18^b	6.52^c	0.93	5.32	9.19	6.55	9.58	3.47	3.96	2.33	2.57^d	M^a
1868	3.20^c	1.10^c	1.29^b	4.53	7.01	6.23	4.10	3.91	7.25	3.11	5.00	5.13	51.86
1869	2.12^a	3.07^b	4.54^c	1.98	7.00	3.59	3.05	0.92	1.98	6.62	4.25	5.82^a	44.94
1870	5.77^a	2.60^b	2.29^c	3.84	4.00	3.37	3.83	3.93	1.34	5.23	1.87	0.70^b	38.77
1871	0.98^d	3.97^c	5.70	2.14	2.33	5.87	6.00	5.14	1.57	5.99	4.83	2.84^c	47.36
1872	1.71	1.60^b	3.76^b	2.55	2.35	2.69	8.61	6.74	2.43	3.87	3.57	0.77^a	40.65
1873	4.66^b	3.02^b	1.48	4.29	3.11	1.49	2.47	10.01	3.44	5.40	4.95	1.79	46.11
1874	5.04	3.01	1.12	10.32	2.02	1.34	2.99	1.20	6.44	2.32	4.16	1.72	41.68
1875	3.38^b	4.35^b	5.06	4.13	1.99	4.55	3.57	14.08	2.37	1.62	6.08	2.77	53.95
1876	0.22	4.16	6.19	2.51	3.24	2.46	6.12	1.53	7.23	1.18	6.20	1.55	42.59
1877	2.10^d	1.31^a	5.65^b	2.75	0.91	4.45	7.40	5.47	3.45	6.50	M^z	2.90^c	M^a
1878	7.55	2.80	3.90	1.55	4.70	5.50	3.45	4.45	3.40	1.85	4.25	5.85	49.25
1879	2.70^a	2.30^a	5.05	5.80	1.50	8.58	4.31	9.23	1.50	0.47	2.23	6.57^b	50.24
1880	3.58	2.43	5.55	4.05	0.87	2.13	15.12	3.47	4.52	3.50	2.18^b	2.89	50.29
1881	3.52^a	5.55	M^z	M^z	M^z	M^z	M^z	M^z	M^z	M^z	M^z	M^z	M^j
1882
1883
1884
1885
1886
1887	M^z	M^z	M^z	M^z	M^z	M^z	M^z	2.62	3.84	2.66	1.91	6.33	M^g
1888	5.08	4.13	8.12	2.64	5.54	4.69	5.82	5.63	7.80	5.48	5.41	3.91	64.25
1889	4.40	3.36	4.06	5.00	4.68	2.67	10.82	6.83	10.21	4.72	7.81	2.09	66.65
1890	2.62	4.58	7.47^a	2.83	3.73	4.27	5.94	4.57	4.31	7.56	1.10	3.95^a	52.93
1891	6.73	4.41^a	4.22^c	1.99^c	3.06	3.59	5.92	6.89	2.82	3.83	2.87	3.52^b	49.85
1892	M^f	1.71^d	5.45^b	2.77^c	6.23	2.12	7.15	3.25	1.92	0.42	7.78^c	1.49^d	M^a
1893	2.01^c	M^f	2.90^a	6.53	3.54^b	3.21	2.58	5.60	3.17	4.40^b	3.37^a	3.50^b	M^a
1894	1.75^d	3.30^b	1.56^b	2.92^c	10.75^a	2.59	2.54	2.76	6.93	5.13	3.77^c	4.52^a	48.52
1895	5.26^e	1.76^d	3.67^a	5.56^a	2.81^a	2.56	3.42	2.19	0.86	3.43	3.82	1.39^b	36.73
1896	1.32^a	5.36^c	4.85	1.62	4.13	3.72^a	5.56	1.21	4.12^a	1.97	2.66^a	1.73^c	38.25
1897	M^f	3.28^a	2.40	3.51^a	4.59^a	4.37	9.87	2.85^c	1.06^a	2.01	3.94^c	3.95^a	M^a
1898	4.50^e	3.10	3.06^b	3.57^a	6.82	1.62	3.19	7.08^c	1.35^a	5.33^b	6.70^b	3.86	50.18
1899	4.33	5.79^a	8.86^b	1.67^a	1.81	2.79	4.31	5.19	4.06^a	1.59	2.07	1.86^a	44.33
1900	4.35^b	4.32	2.99^a	1.59^a	6.84	2.51	5.40	3.77	3.86	3.29	4.41	1.47	44.80
1901	1.97^a	1.06^e	4.76^b	5.21^a	5.41^b	1.22	6.60^a	10.13	4.13^a	1.44^a	2.72^a	7.54	52.19
1902	3.36^a	5.94	3.40	3.20	2.48	5.67^a	5.80	10.67	5.88^a	7.32	1.99^a	4.86^b	60.57
1903	2.30^a	5.27	5.55^a	6.49^a	0.30	8.09^d	4.52	5.50	4.50	6.84	1.63	3.20^a	54.19
1904	2.73^a	2.61^d	2.23	3.50^e	3.20	4.04^a	6.21^b	9.81	5.10	3.75^b	2.10	2.30^d	47.58
1905	2.68^a	2.15^c	3.00^a	2.80	1.72	2.28	2.44	4.73	4.65	2.54^a	2.06^b	3.23^b	34.28
1906	3.59^d	1.44^b	4.42	3.84	5.08^a	4.82^a	5.55^a	6.44	0.89	3.56^a	1.57	4.89^c	46.09
1907	4.30^a	2.53^a	2.65^a	3.01^a	6.27^a	5.26^a	3.74	3.74^b	6.81	2.98^a	5.52^a	4.81	51.62
1908	4.30	5.12^b	4.92	3.34	6.80^b	2.61	5.05	6.34	2.60^a	3.16^b	0.80^a	3.53^b	48.57
1909	3.28^a	4.61^b	4.66^a	6.66	2.57	3.71^a	2.52	4.98	3.54^a	1.30^b	4.33^a	3.90	46.06
1910	M^z	M^z	0.09^b	5.08^a	2.00	5.64^b	0.90^a	10.58	2.50	4.63^b	2.95	1.81	M^b
1911	3.20	2.43^a	3.88^b	4.02	2.17	5.97	M^z	11.98^b	M^z	M^z	5.59^c	3.40^c	M^c
1912	3.21^d	M^z	8.57^b	3.77	4.47	2.30	3.21	1.71	2.90	2.57	3.73	4.23^b	M^a
1913	3.12	2.17^a	4.77	5.27	3.00	0.68	1.50	3.30	4.66	6.29	2.48	2.44	29.62
1914	2.72	3.00	3.28	2.57	1.98	1.74	4.75	1.63	0.41	1.74	1.62	4.64	30.08
1915	5.15	4.40	1.37	3.04	4.33	2.07	7.20	6.22	0.62	1.99	0.96	4.44	41.79
1916	1.26	3.16	2.61	2.67	2.45	2.94	5.94	1.25	2.51	0.96	1.31	4.87	31.93
1917	3.10	1.47	3.45	2.29	2.90	3.15	4.24	2.11	3.89	5.30	1.02	1.55	34.47
1918	3.00	1.84	2.02	3.25	4.37	3.78	4.97	2.52	3.20	0.74	1.85	3.86	35.40
1919	3.28	3.25	4.64	2.91	4.18	1.39	10.41	4.82	2.74	3.09	3.10	2.94	46.75
1920	2.40	4.27	3.81	4.34	2.66	6.63	2.16	7.08	2.23	0.92	2.14	4.25	42.89
1921	2.41	3.44	2.42	1.86	4.04	4.83	2.01	8.01	1.69	0.34	2.83	1.85	35.73
1922	2.41	2.25	3.89	1.69	3.03	4.98	2.29	5.16	1.75	0.81	0.62	3.46	32.34
1923	4.13	2.68	3.70	3.34	0.89	1.47	3.18	3.32	4.19	2.35	2.09	3.94	35.28
1924	4.71	3.44	2.12	5.99	4.65	5.31	4.21	5.87	5.94	0.20	1.58	2.60	46.62
1925	4.31	2.01	3.59	2.35	2.00	0.72	5.15	1.15	3.91	3.97	2.63	1.65	33.44
1926	2.25	3.92	2.22	2.01	3.00	2.46	5.15	7.73	4.57	4.09	4.79	3.00	45.19
1927	2.02	2.59	0.83	2.91	2.78	3.30	4.40	7.93	2.03	7.41	3.57	5.36	45.13
1928	1.74	4.09	2.19	4.67	2.45	5.90	7.17	3.40	3.42	1.58	1.91	1.19	39.71
1929	3.06	3.51	2.34	5.34	3.53	3.53	0.63	2.64	7.14	3.51	2.24	3.08	40.55
1930	2.73	3.81	2.66	1.74	1.99	4.25	3.94	3.30	1.55	2.08	2.19	2.38	32.62
1931	2.15	2.08	3.24	2.07	4.00	4.28	5.47	6.39	1.06	2.22	0.94	2.36	36.26
1932	4.18	1.51	5.59	2.25	3.08	3.49	3.63	5.55	2.70	4.69	7.53	3.05	47.25
1933	1.93	2.66	5.59	4.40	4.91	2.93	3.42	10.09	4.86	1.30	1.08	2.62	45.79
1934	3.37	2.21	2.92	2.73	4.79	3.41	2.90	2.59	10.49	2.15	1.97	2.37	41.90
1935	3.27	2.81	2.17	1.46	1.47	4.09	4.07	3.09	5.42	4.73	4.27	1.40	38.25
1936	6.00	2.20	3.78	2.11	3.59	2.39	1.75	4.11	4.30	2.76	0.75	5.44	39.18
1937	5.43	1.52	1.97	4.31	2.86	4.05	1.84	5.12	1.90	4.35	3.54	1.14	38.03
1938	2.83	2.17	1.59	2.31	2.95	9.00	8.43	3.66	9.04	2.27	3.10	2.11	49.46
1939	3.89	5.56	4.39	5.31	1.18	6.56	1.04	7.55	1.48	2.85	1.59	1.49	42.89
1940	1.52	2.94	4.72	5.24	5.93	1.90	1.14	5.54	6.17	2.15	3.96	3.02	44.23
1941	3.49	2.16	2.26	2.03	1.39	6.51	10.19	2.26	0.19	1.58	2.66	3.08	37.80
1942	2.82	2.08	5.47	1.27	1.95	1.24	4.35	4.69	2.09	3.51	3.17	4.27	36.91
1943	2.56	1.28	2.28	2.10	4.28	3.31	3.49	2.81	1.56	5.12	2.80	1.03	32.62
1944	3.18	1.99	5.66	4.94	1.06	5.47	0.37	1.84	7.60	1.57	5.22	2.55	41.45
1945	2.28	2.54	1.76	2.42	4.14	3.37	8.97	2.27	5.21	2.22	4.04	3.85	43.07
1946	1.37	1.63	3.53	1.16	5.04	6.03	4.13	2.86	1.95	1.23	1.61	2.36	32.90
1947	3.04	1.69	1.90	4.63	6.86	3.29	2.05	5.64	1.90	2.64	4.84	1.88	40.36
1948	4.56	2.27	3.91	2.68	8.03	5.90	4.59	4.71	1.59	1.27	3.11	6.08	48.70
1949	5.40	3.11	2.76	2.92	5.09	0.06	5.26	1.79	4.19	2.55	0.94	2.45	36.52
1950	1.83	3.52	4.50	1.79	3.57	2.15	6.62	6.65	2.71	1.88	4.16	2.38	41.76
1951	3.13	3.36	3.92	2.40	4.48	2.55	2.51	3.44	1.11	4.33	6.97	5.15	43.35
1952	4.34	1.89	4.52	5.93	4.89	2.44	6.85	6.92	3.36	0.47	5.33	3.25	50.19
1953	4.89	1.89	7.53	5.67	4.68	2.53	7.13	2.47	1.74	4.03	1.79	3.80	48.15
1954	1.68	1.48	4.16	3.37	3.26	1.22	1.70	7.04	5.11	1.78	4.30	2.50	37.60
1955	0.52	2.93	5.98	2.09	2.19	4.13	0.82	14.10	1.75	6.77	1.26	0.19	42.73
1956	2.43	4.81	5.54	2.72	2.93	5.01	3.51	3.73	2.24	4.22	3.29	3.22	43.65
1957	1.87	2.86	2.70	4.93	1.40	1.47	1.23	1.10	2.11	1.95	2.47	4.70	28.79
1958	3.66	4.91	5.08	5.77	3.94	2.87	4.73	4.59	3.06	3.72	1.97	1.16	45.46
1959	2.05	1.72	3.80	2.72	2.41	4.48	5.11	7.46	1.28	2.59	4.10	3.58	41.30
1960	3.30	4.05	1.85	2.45	2.10	1.77	7.98	2.89	6.70	2.25	2.10	3.47	40.91
1961	2.80	3.04	5.81	4.71	3.56	2.66	9.97	4.08	1.72	1.82	2.11	3.39	45.67
1962	2.49	4.11	3.65	3.77	1.64	4.82	1.87	7.44	5.04	1.61	4.75	2.83	44.02
1963	2.36	2.17	4.02	0.83	1.28	1.53	3.93	1.85	4.42	0.05	6.01	1.96	30.41
1964	3.47	3.14	1.57	5.04	0.25	1.37	7.29	0.47	4.58	1.81	1.82	4.63	35.44
1965	2.86	2.27	3.38	2.87	0.95	2.17	5.64	5.54	2.65	1.33	1.28	1.79	32.73
1966	3.39	5.16	1.17	2.79	4.72	0.63	1.31	0.72	8.41	4.78	2.21	4.28	39.57
1967	1.47	2.45	5.12	2.47	4.01	2.18	8.96	6.65	2.16	3.08	1.89	5.83	46.27
1968	2.29	1.15	4.44	1.49	5.84	6.26	2.35	3.02	1.19	1.92	4.46	3.07	37.48
1969	2.38	2.60	2.44	2.23	3.11	5.09	7.51	3.33	6.66	1.25	2.13	6.86	45.59
1970	0.91	2.61	3.60	4.35	3.02	3.87	1.67	2.87	0.79	2.71	4.70	2.73	33.83
1971	2.61	4.96	3.26	2.59	3.88	1.48	4.90	9.66	5.59	3.70	4.64	1.24	48.51
1972	2.26	4.25	3.50	2.79	5.04	6.09	2.74	1.17	1.64	5.09	7.74	4.82	47.13
1973	3.86	3.85	3.95	6.61	3.76	5.58	2.38	2.07	3.83	3.71	1.05	6.97	47.62
1974	3.29	1.89	5.18	2.71	3.03	2.83	3.15	5.98	5.80	2.13	1.34	5.19	42.52
1975	4.36	3.01	3.90	3.36	4.92	5.63	13.39	1.52	9.04	4.04	3.47	2.77	59.41
1976	4.07	1.96	2.16	1.24	4.52	2.58	2.00	2.51	2.57	5.45	0.31	1.81	31.18
1977	2.32	2.10	4.90	4.16	1.14	5.24	3.07	7.86	4.81	3.38	6.64	5.56	51.18
1978	6.61	1.37	3.39	1.51	5.65	2.69	4.97	5.14	2.93	1.29	2.06	5.67	43.28
1979	8.99	4.63	2.95	2.78	6.24	3.43	6.78	4.54	5.43	3.67	2.60	1.64	53.68
1980	1.99	0.98	7.31	4.14	2.17	1.74	2.54	4.03	2.09	3.77	2.82	0.58	34.16
1981	0.35	3.62	0.93	3.91	4.33	5.37	3.53	3.09	3.71	2.79	1.95	M^z	M^a
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998	M^z	M^z	M^j	5.88	6.91	4.27	1.76	1.57	1.76	2.75	1.27	0.94	M^c
1999	6.59	3.26	4.62	2.55	3.89	1.00	0.55	7.39	11.22	2.64	2.33	3.21	49.25
2000	3.23	1.86	3.72	2.60	4.78	2.17	5.93	5.93	5.87	0.88	2.92	2.84	42.73
2001	3.15	2.43	5.84	1.48	4.73	6.01	1.65	5.06	2.22	0.56	0.75	2.39	36.27
2002	2.68	0.66	3.84	2.84	4.68	5.08	0.61	4.04	4.26	5.01	4.63	3.90	42.23
2003	1.69	4.52	4.25	2.05	4.51	7.52	3.00	3.12	5.73	5.65	5.78	6.15	53.97
2004	1.94	2.56	3.01	6.01	2.41	1.45	7.41	4.27	7.67	1.47	4.53	3.70	46.43
2005	4.01	2.39	2.93	4.95	1.32	4.88	6.13	3.46	2.94	11.21	3.43	3.11	50.76
2006	4.84	1.73	1.29	3.68	2.47	8.56	5.28	2.71	4.36	6.19	5.64	2.32	49.07
2007	3.24	1.40	4.34	9.95	1.62	5.05	3.15	2.69	0.59	4.34	1.61	5.00	42.98
2008	1.63	4.86	4.27	2.19	4.82	3.03	5.10	1.23	6.43	2.72	3.40	5.54	45.22
2009	2.55	0.63	1.66	3.07	5.03	6.93	5.93	10.06	4.55	5.30	1.34	7.30	54.35
2010	2.33	4.61	8.34	2.50	3.61	0.98	4.12	0.78	3.05	5.19	1.99	3.65	41.15
2011	3.75	2.55	4.65	6.12	3.70	3.69	2.21	15.69	6.89	3.27	3.97	4.42	60.91
2012	3.47	1.61	1.13	2.61	4.84	2.71	4.44	4.17	2.42	4.38	1.54	4.15	37.47
2013	2.78	1.91	2.78	2.26	3.32	10.14	5.44	3.92	1.58	1.64	3.19	4.64	43.60
2014	3.11	5.33	3.38	6.20	3.64	2.66	5.45	3.60	1.05	3.14	4.20	4.18	45.94
2015	4.94	2.74	5.06	2.50	0.62	6.33	3.11	3.33	3.68	4.06	1.95	4.41	42.73
2016	3.46	4.28	1.75	1.67	3.55	2.28	7.77	1.19	2.38	2.09	2.93	2.98	36.33
2017	3.49	1.40	5.28	3.16	5.25	4.69	5.63	3.09	1.86	5.22	1.54	1.88	42.49
2018	2.80	5.75	4.77	3.57	7.22	5.21	5.65	3.66	6.93	3.27	8.85	5.28	62.96
2019	3.71	2.98	4.36	4.05	7.57	6.03	7.06	2.54	2.17	5.24	1.41	5.11	52.23
2020	2.23	2.63	3.69	4.65	1.62	2.82	3.29	4.61	5.42	4.26	4.14	4.07	43.43
2021	1.63	5.16	3.17	2.41	3.12	2.82	6.37	5.06	7.79	3.62	0.61	1.24	43.00
2022	3.38	2.70	2.67	5.60	7.17	3.05	1.07	3.16	2.43	6.04	2.71	3.89	43.87
2023	3.60	1.57	2.60	4.86	0.61	3.90	5.69	4.01	6.65	1.17	2.74	7.53	44.93
2024	5.87	1.71	7.62	4.25	3.10	1.44	M^x	M	M	M	M	M	M^f
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Mean	3.21	3.00	3.80	3.48	3.68	3.77	4.62	4.75	3.82	3.28	3.17	3.43	43.76
Median	3.12	2.70	3.72	2.92	3.57	3.42	4.33	4.06	3.42	3.10	2.81	3.23	43.43
Min	0.22	0.63	0.09	0.83	0.25	0.06	0.37	0.47	0.19	0.05	0.31	0.19	28.79
Max	8.99	6.25	8.86	10.32	10.75	10.14	15.12	15.69	11.22	11.21	8.85	7.54	66.65
Count	132	133	135	136	136	136	134	136	135	136	136	136	125

Year

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

1865

Mⁿ

5.03

3.64

4.86^b

Mⁱ

1866

1.35^c

6.25

2.16^a

4.02

4.68

3.66

4.36

4.78

7.88

4.65

4.30

5.33^a

53.42

1867

M^g

5.18^b

6.52^c

0.93

5.32

9.19

6.55

9.58

3.47

3.96

2.33

2.57^d

M^a

1868

3.20^c

1.10^c

1.29^b

4.53

7.01

6.23

4.10

3.91

7.25

3.11

5.00

5.13

51.86

1869

2.12^a

3.07^b

4.54^c

1.98

7.00

3.59

3.05

0.92

1.98

6.62

4.25

5.82^a

44.94

1870

5.77^a

2.60^b

2.29^c

3.84

4.00

3.37

3.83

3.93

1.34

5.23

1.87

0.70^b

38.77

1871

0.98^d

3.97^c

5.70

2.14

2.33

5.87

6.00

5.14

1.57

5.99

4.83

2.84^c

47.36

1872

1.71

1.60^b

3.76^b

2.55

2.35

2.69

8.61

6.74

2.43

3.87

3.57

0.77^a

40.65

1873

4.66^b

3.02^b

1.48

4.29

3.11

1.49

2.47

10.01

3.44

5.40

4.95

1.79

46.11

1874

5.04

3.01

1.12

10.32

2.02

1.34

2.99

1.20

6.44

2.32

4.16

1.72

41.68

1875

3.38^b

4.35^b

5.06

4.13

1.99

4.55

3.57

14.08

2.37

1.62

6.08

2.77

53.95

1876

0.22

4.16

6.19

2.51

3.24

2.46

6.12

1.53

7.23

1.18

6.20

1.55

42.59

1877

2.10^d

1.31^a

5.65^b

2.75

0.91

4.45

7.40

5.47

3.45

6.50

M^z

2.90^c

M^a

1878

7.55

2.80

3.90

1.55

4.70

5.50

3.45

4.45

3.40

1.85

4.25

5.85

49.25

1879

2.70^a

2.30^a

5.05

5.80

1.50

8.58

4.31

9.23

1.50

0.47

2.23

6.57^b

50.24

1880

3.58

2.43

5.55

4.05

0.87

2.13

15.12

3.47

4.52

3.50

2.18^b

2.89

50.29

1881

3.52^a

5.55

M^z

M^j

1882

1883

1884

1885

1886

1887

M^z

2.62

3.84

2.66

1.91

6.33

M^g

1888

5.08

4.13

8.12

2.64

5.54

4.69

5.82

5.63

7.80

5.48

5.41

3.91

64.25

1889

4.40

3.36

4.06

5.00

4.68

2.67

10.82

6.83

10.21

4.72

7.81

2.09

66.65

1890

2.62

4.58

7.47^a

2.83

3.73

4.27

5.94

4.57

4.31

7.56

1.10

3.95^a

52.93

1891

6.73

4.41^a

4.22^c

1.99^c

3.06

3.59

5.92

6.89

2.82

3.83

2.87

3.52^b

49.85

1892

M^f

1.71^d

5.45^b

2.77^c

6.23

2.12

7.15

3.25

1.92

0.42

7.78^c

1.49^d

M^a

1893

2.01^c

M^f

2.90^a

6.53

3.54^b

3.21

2.58

5.60

3.17

4.40^b

3.37^a

3.50^b

M^a

1894

1.75^d

3.30^b

1.56^b

2.92^c

10.75^a

2.59

2.54

2.76

6.93

5.13

3.77^c

4.52^a

48.52

1895

5.26^e

1.76^d

3.67^a

5.56^a

2.81^a

2.56

3.42

2.19

0.86

3.43

3.82

1.39^b

36.73

1896

1.32^a

5.36^c

4.85

1.62

4.13

3.72^a

5.56

1.21

4.12^a

1.97

2.66^a

1.73^c

38.25

1897

M^f

3.28^a

2.40

3.51^a

4.59^a

4.37

9.87

2.85^c

1.06^a

2.01

3.94^c

3.95^a

M^a

1898

4.50^e

3.10

3.06^b

3.57^a

6.82

1.62

3.19

7.08^c

1.35^a

5.33^b

6.70^b

3.86

50.18

1899

4.33

5.79^a

8.86^b

1.67^a

1.81

2.79

4.31

5.19

4.06^a

1.59

2.07

1.86^a

44.33

1900

4.35^b

4.32

2.99^a

1.59^a

6.84

2.51

5.40

3.77

3.86

3.29

4.41

1.47

44.80

1901

1.97^a

1.06^e

4.76^b

5.21^a

5.41^b

1.22

6.60^a

10.13

4.13^a

1.44^a

2.72^a

7.54

52.19

1902

3.36^a

5.94

3.40

3.20

2.48

5.67^a

5.80

10.67

5.88^a

7.32

1.99^a

4.86^b

60.57

1903

2.30^a

5.27

5.55^a

6.49^a

0.30

8.09^d

4.52

5.50

4.50

6.84

1.63

3.20^a

54.19

1904

2.73^a

2.61^d

2.23

3.50^e

3.20

4.04^a

6.21^b

9.81

5.10

3.75^b

2.10

2.30^d

47.58

1905

2.68^a

2.15^c

3.00^a

2.80

1.72

2.28

2.44

4.73

4.65

2.54^a

2.06^b

3.23^b

34.28

1906

3.59^d

1.44^b

4.42

3.84

5.08^a

4.82^a

5.55^a

6.44

0.89

3.56^a

1.57

4.89^c

46.09

1907

4.30^a

2.53^a

2.65^a

3.01^a

6.27^a

5.26^a

3.74

3.74^b

6.81

2.98^a

5.52^a

4.81

51.62

1908

4.30

5.12^b

4.92

3.34

6.80^b

2.61

5.05

6.34

2.60^a

3.16^b

0.80^a

3.53^b

48.57

1909

3.28^a

4.61^b

4.66^a

6.66

2.57

3.71^a

2.52

4.98

3.54^a

1.30^b

4.33^a

3.90

46.06

1910

M^z

0.09^b

5.08^a

2.00

5.64^b

0.90^a

10.58

2.50

4.63^b

2.95

1.81

M^b

1911

3.20

2.43^a

3.88^b

4.02

2.17

5.97

M^z

11.98^b

M^z

5.59^c

3.40^c

M^c

1912

3.21^d

M^z

8.57^b

3.77

4.47

2.30

3.21

1.71

2.90

2.57

3.73

4.23^b

M^a

1913

3.12

2.17^a

4.77

5.27

3.00

0.68

1.50

3.30

4.66

6.29

2.48

2.44

29.62

1914

2.72

3.00

3.28

2.57

1.98

1.74

4.75

1.63

0.41

1.74

1.62

4.64

30.08

1915

5.15

4.40

1.37

3.04

4.33

2.07

7.20

6.22

0.62

1.99

0.96

4.44

41.79

1916

1.26

3.16

2.61

2.67

2.45

2.94

5.94

1.25

2.51

0.96

1.31

4.87

31.93

1917

3.10

1.47

3.45

2.29

2.90

3.15

4.24

2.11

3.89

5.30

1.02

1.55

34.47

1918

3.00

1.84

2.02

3.25

4.37

3.78

4.97

2.52

3.20

0.74

1.85

3.86

35.40

1919

3.28

3.25

4.64

2.91

4.18

1.39

10.41

4.82

2.74

3.09

3.10

2.94

46.75

1920

2.40

4.27

3.81

4.34

2.66

6.63

2.16

7.08

2.23

0.92

2.14

4.25

42.89

1921

2.41

3.44

2.42

1.86

4.04

4.83

2.01

8.01

1.69

0.34

2.83

1.85

35.73

1922

2.41

2.25

3.89

1.69

3.03

4.98

2.29

5.16

1.75

0.81

0.62

3.46

32.34

1923

4.13

2.68

3.70

3.34

0.89

1.47

3.18

3.32

4.19

2.35

2.09

3.94

35.28

1924

4.71

3.44

2.12

5.99

4.65

5.31

4.21

5.87

5.94

0.20

1.58

2.60

46.62

1925

4.31

2.01

3.59

2.35

2.00

0.72

5.15

1.15

3.91

3.97

2.63

1.65

33.44

1926

2.25

3.92

2.22

2.01

3.00

2.46

5.15

7.73

4.57

4.09

4.79

3.00

45.19

1927

2.02

2.59

0.83

2.91

2.78

3.30

4.40

7.93

2.03

7.41

3.57

5.36

45.13

1928

1.74

4.09

2.19

4.67

2.45

5.90

7.17

3.40

3.42

1.58

1.91

1.19

39.71

1929

3.06

3.51

2.34

5.34

3.53

0.63

2.64

7.14

3.51

2.24

3.08

40.55

1930

2.73

3.81

2.66

1.74

1.99

4.25

3.94

3.30

1.55

2.08

2.19

2.38

32.62

1931

2.15

2.08

3.24

2.07

4.00

4.28

5.47

6.39

1.06

2.22

0.94

2.36

36.26

1932

4.18

1.51

5.59

2.25

3.08

3.49

3.63

5.55

2.70

4.69

7.53

3.05

47.25

1933

1.93

2.66

5.59

4.40

4.91

2.93

3.42

10.09

4.86

1.30

1.08

2.62

45.79

1934

3.37

2.21

2.92

2.73

4.79

3.41

2.90

2.59

10.49

2.15

1.97

2.37

41.90

1935

3.27

2.81

2.17

1.46

1.47

4.09

4.07

3.09

5.42

4.73

4.27

1.40

38.25

1936

6.00

2.20

3.78

2.11

3.59

2.39

1.75

4.11

4.30

2.76

0.75

5.44

39.18

1937

5.43

1.52

1.97

4.31

2.86

4.05

1.84

5.12

1.90

4.35

3.54

1.14

38.03

1938

2.83

2.17

1.59

2.31

2.95

9.00

8.43

3.66

9.04

2.27

3.10

2.11

49.46

1939

3.89

5.56

4.39

5.31

1.18

6.56

1.04

7.55

1.48

2.85

1.59

1.49

42.89

1940

1.52

2.94

4.72

5.24

5.93

1.90

1.14

5.54

6.17

2.15

3.96

3.02

44.23

1941

3.49

2.16

2.26

2.03

1.39

6.51

10.19

2.26

0.19

1.58

2.66

3.08

37.80

1942

2.82

2.08

5.47

1.27

1.95

1.24

4.35

4.69

2.09

3.51

3.17

4.27

36.91

1943

2.56

1.28

2.28

2.10

4.28

3.31

3.49

2.81

1.56

5.12

2.80

1.03

32.62

1944

3.18

1.99

5.66

4.94

1.06

5.47

0.37

1.84

7.60

1.57

5.22

2.55

41.45

1945

2.28

2.54

1.76

2.42

4.14

3.37

8.97

2.27

5.21

2.22

4.04

3.85

43.07

1946

1.37

1.63

3.53

1.16

5.04

6.03

4.13

2.86

1.95

1.23

1.61

2.36

32.90

1947

3.04

1.69

1.90

4.63

6.86

3.29

2.05

5.64

1.90

2.64

4.84

1.88

40.36

1948

4.56

2.27

3.91

2.68

8.03

5.90

4.59

4.71

1.59

1.27

3.11

6.08

48.70

1949

5.40

3.11

2.76

2.92

5.09

0.06

5.26

1.79

4.19

2.55

0.94

2.45

36.52

1950

1.83

3.52

4.50

1.79

3.57

2.15

6.62

6.65

2.71

1.88

4.16

2.38

41.76

1951

3.13

3.36

3.92

2.40

4.48

2.55

2.51

3.44

1.11

4.33

6.97

5.15

43.35

1952

4.34

1.89

4.52

5.93

4.89

2.44

6.85

6.92

3.36

0.47

5.33

3.25

50.19

1953

4.89

1.89

7.53

5.67

4.68

2.53

7.13

2.47

1.74

4.03

1.79

3.80

48.15

1954

1.68

1.48

4.16

3.37

3.26

1.22

1.70

7.04

5.11

1.78

4.30

2.50

37.60

1955

0.52

2.93

5.98

2.09

2.19

4.13

0.82

14.10

1.75

6.77

1.26

0.19

42.73

1956

2.43

4.81

5.54

2.72

2.93

5.01

3.51

3.73

2.24

4.22

3.29

3.22

43.65

1957

1.87

2.86

2.70

4.93

1.40

1.47

1.23

1.10

2.11

1.95

2.47

4.70

28.79

1958

3.66

4.91

5.08

5.77

3.94

2.87

4.73

4.59

3.06

3.72

1.97

1.16

45.46

1959

2.05

1.72

3.80

2.72

2.41

4.48

5.11

7.46

1.28

2.59

4.10

3.58

41.30

1960

3.30

4.05

1.85

2.45

2.10

1.77

7.98

2.89

6.70

2.25

2.10

3.47

40.91

1961

2.80

3.04

5.81

4.71

3.56

2.66

9.97

4.08

1.72

1.82

2.11

3.39

45.67

1962

2.49

4.11

3.65

3.77

1.64

4.82

1.87

7.44

5.04

1.61

4.75

2.83

44.02

1963

2.36

2.17

4.02

0.83

1.28

1.53

3.93

1.85

4.42

0.05

6.01

1.96

30.41

1964

3.47

3.14

1.57

5.04

0.25

1.37

7.29

0.47

4.58

1.81

1.82

4.63

35.44

1965

2.86

2.27

3.38

2.87

0.95

2.17

5.64

5.54

2.65

1.33

1.28

1.79

32.73

1966

3.39

5.16

1.17

2.79

4.72

0.63

1.31

0.72

8.41

4.78

2.21

4.28

39.57

1967

1.47

2.45

5.12

2.47

4.01

2.18

8.96

6.65

2.16

3.08

1.89

5.83

46.27

1968

2.29

1.15

4.44

1.49

5.84

6.26

2.35

3.02

1.19

1.92

4.46

3.07

37.48

1969

2.38

2.60

2.44

2.23

3.11

5.09

7.51

3.33

6.66

1.25

2.13

6.86

45.59

1970

0.91

2.61

3.60

4.35

3.02

3.87

1.67

2.87

0.79

2.71

4.70

2.73

33.83

1971

2.61

4.96

3.26

2.59

3.88

1.48

4.90

9.66

5.59

3.70

4.64

1.24

48.51

1972

2.26

4.25

3.50

2.79

5.04

6.09

2.74

1.17

1.64

5.09

7.74

4.82

47.13

1973

3.86

3.85

3.95

6.61

3.76

5.58

2.38

2.07

3.83

3.71

1.05

6.97

47.62

1974

3.29

1.89

5.18

2.71

3.03

2.83

3.15

5.98

5.80

2.13

1.34

5.19

42.52

1975

4.36

3.01

3.90

3.36

4.92

5.63

13.39

1.52

9.04

4.04

3.47

2.77

59.41

1976

4.07

1.96

2.16

1.24

4.52

2.58

2.00

2.51

2.57

5.45

0.31

1.81

31.18

1977

2.32

2.10

4.90

4.16

1.14

5.24

3.07

7.86

4.81

3.38

6.64

5.56

51.18

1978

6.61

1.37

3.39

1.51

5.65

2.69

4.97

5.14

2.93

1.29

2.06

5.67

43.28

1979

8.99

4.63

2.95

2.78

6.24

3.43

6.78

4.54

5.43

3.67

2.60

1.64

53.68

1980

1.99

0.98

7.31

4.14

2.17

1.74

2.54

4.03

2.09

3.77

2.82

0.58

34.16

1981

0.35

3.62

0.93

3.91

4.33

5.37

3.53

3.09

3.71

2.79

1.95

M^z

M^a

1982

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

M^z

M^j

5.88

6.91

4.27

1.76

1.57

1.76

2.75

1.27

0.94

M^c

1999

6.59

3.26

4.62

2.55

3.89

1.00

0.55

7.39

11.22

2.64

2.33

3.21

49.25

2000

3.23

1.86

3.72

2.60

4.78

2.17

5.93

5.87

0.88

2.92

2.84

42.73

2001

3.15

2.43

5.84

1.48

4.73

6.01

1.65

5.06

2.22

0.56

0.75

2.39

36.27

2002

2.68

0.66

3.84

2.84

4.68

5.08

0.61

4.04

4.26

5.01

4.63

3.90

42.23

2003

1.69

4.52

4.25

2.05

4.51

7.52

3.00

3.12

5.73

5.65

5.78

6.15

53.97

2004

1.94

2.56

3.01

6.01

2.41

1.45

7.41

4.27

7.67

1.47

4.53

3.70

46.43

2005

4.01

2.39

2.93

4.95

1.32

4.88

6.13

3.46

2.94

11.21

3.43

3.11

50.76

2006

4.84

1.73

1.29

3.68

2.47

8.56

5.28

2.71

4.36

6.19

5.64

2.32

49.07

2007

3.24

1.40

4.34

9.95

1.62

5.05

3.15

2.69

0.59

4.34

1.61

5.00

42.98

2008

1.63

4.86

4.27

2.19

4.82

3.03

5.10

1.23

6.43

2.72

3.40

5.54

45.22

2009

2.55

0.63

1.66

3.07

5.03

6.93

5.93

10.06

4.55

5.30

1.34

7.30

54.35

2010

2.33

4.61

8.34

2.50

3.61

0.98

4.12

0.78

3.05

5.19

1.99

3.65

41.15

2011

3.75

2.55

4.65

6.12

3.70

3.69

2.21

15.69

6.89

3.27

3.97

4.42

60.91

2012

3.47

1.61

1.13

2.61

4.84

2.71

4.44

4.17

2.42

4.38

1.54

4.15

37.47

2013

2.78

1.91

2.78

2.26

3.32

10.14

5.44

3.92

1.58

1.64

3.19

4.64

43.60

2014

3.11

5.33

3.38

6.20

3.64

2.66

5.45

3.60

1.05

3.14

4.20

4.18

45.94

2015

4.94

2.74

5.06

2.50

0.62

6.33

3.11

3.33

3.68

4.06

1.95

4.41

42.73

2016

3.46

4.28

1.75

1.67

3.55

2.28

7.77

1.19

2.38

2.09

2.93

2.98

36.33

2017

3.49

1.40

5.28

3.16

5.25

4.69

5.63

3.09

1.86

5.22

1.54

1.88

42.49

2018

2.80

5.75

4.77

3.57

7.22

5.21

5.65

3.66

6.93

3.27

8.85

5.28

62.96

2019

3.71

2.98

4.36

4.05

7.57

6.03

7.06

2.54

2.17

5.24

1.41

5.11

52.23

2020

2.23

2.63

3.69

4.65

1.62

2.82

3.29

4.61

5.42

4.26

4.14

4.07

43.43

2021

1.63

5.16

3.17

2.41

3.12

2.82

6.37

5.06

7.79

3.62

0.61

1.24

43.00

2022

3.38

2.70

2.67

5.60

7.17

3.05

1.07

3.16

2.43

6.04

2.71

3.89

43.87

2023

3.60

1.57

2.60

4.86

0.61

3.90

5.69

4.01

6.65

1.17

2.74

7.53

44.93

2024

5.87

1.71

7.62

4.25

3.10

1.44

M^x

M^f

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

Mean

3.21

3.00

3.80

3.48

3.68

3.77

4.62

4.75

3.82

3.28

3.17

3.43

43.76

Median

3.12

2.70

3.72

2.92

3.57

3.42

4.33

4.06

3.42

3.10

2.81

3.23

43.43

Min

0.22

0.63

0.09

0.83

0.25

0.06

0.37

0.47

0.19

0.05

0.31

0.19

28.79

Max

8.99

6.25

8.86

10.32

10.75

10.14

15.12

15.69

11.22

11.21

8.85

7.54

66.65

Count

132

133

135

136

134

136

135

136

125