RUTGERS UNIVERSITY :: CLIMATE LAB :: GLOBAL SNOW LAB

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Monthly Table

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Monthly Snow Area Rankings

  All snow cover extents are shown in thousands of square kilometers
  * Note: These calculations are based on NH SCE CDR v01r01

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Northern Hemisphere	North America	United States
Eurasia	Canada	Alaska

 

Northern Hemisphere
2019		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
7	2,613	3,665	-1,052	44/50	8,210 (1967)	2,325 (2012)
6	5,936	9,418	-3,481	49/52	14,972 (1978)	4,922 (2012)
5	17,063	19,019	-1,956	44/53	23,093 (1974)	15,377 (2010)
4	29,060	30,215	-1,155	42/53	34,606 (1979)	27,914 (2016)
3	39,480	40,130	-650	37/53	44,282 (1985)	37,122 (1990)
2	46,025	45,594	432	23/53	51,320 (1978)	42,667 (1995)
1	47,239	46,866	374	26/53	50,275 (2008)	41,890 (1981)
2018		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	44,547	43,981	566	15/53	46,846 (2012)	37,441 (1980)
11	37,774	33,958	3,815	3/53	38,597 (1993)	28,279 (1979)
10	20,058	17,544	2,514	14/51	25,724 (1976)	12,781 (1988)
9	6,365	5,235	1,131	9/50	7,762 (1972)	3,838 (1990)
8	2,733	2,797	-64	27/50	5,308 (1967)	2,089 (1968)
7	3,008	3,665	-658	39/50	8,210 (1967)	2,325 (2012)
6	7,838	9,418	-1,580	41/52	14,972 (1978)	4,922 (2012)
5	18,259	19,019	-760	37/53	23,093 (1974)	15,377 (2010)
4	32,059	30,215	1,844	10/53	34,606 (1979)	27,914 (2016)
3	41,825	40,130	1,696	13/53	44,282 (1985)	37,122 (1990)
2	46,293	45,594	699	19/53	51,320 (1978)	42,667 (1995)
1	46,930	46,866	65	28/53	50,275 (2008)	41,890 (1981)
2017		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	43,569	43,981	-411	34/53	46,846 (2012)	37,441 (1980)
11	35,975	33,958	2,017	10/53	38,597 (1993)	28,279 (1979)
10	21,167	17,544	3,623	9/51	25,724 (1976)	12,781 (1988)
9	6,151	5,235	916	11/50	7,762 (1972)	3,838 (1990)
8	2,915	2,797	118	21/50	5,308 (1967)	2,089 (1968)
7	3,454	3,665	-212	28/50	8,210 (1967)	2,325 (2012)
6	9,274	9,418	-144	27/52	14,972 (1978)	4,922 (2012)
5	20,734	19,019	1,715	12/53	23,093 (1974)	15,377 (2010)
4	31,169	30,215	954	17/53	34,606 (1979)	27,914 (2016)
3	40,067	40,130	-62	29/53	44,282 (1985)	37,122 (1990)
2	45,964	45,594	370	24/53	51,320 (1978)	42,667 (1995)
1	49,184	46,866	2,319	6/53	50,275 (2008)	41,890 (1981)
2016		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	45,396	43,981	1,415	8/53	46,846 (2012)	37,441 (1980)
11	36,927	33,958	2,969	6/53	38,597 (1993)	28,279 (1979)
10	22,955	17,544	5,410	3/51	25,724 (1976)	12,781 (1988)
9	5,728	5,235	493	20/50	7,762 (1972)	3,838 (1990)
8	2,626	2,797	-171	31/50	5,308 (1967)	2,089 (1968)
7	2,554	3,665	-1,112	45/50	8,210 (1967)	2,325 (2012)
6	5,580	9,418	-3,838	49/52	14,972 (1978)	4,922 (2012)
5	16,343	19,019	-2,676	50/53	23,093 (1974)	15,377 (2010)
4	27,914	30,215	-2,301	53/53	34,606 (1979)	27,914 (2016)
3	37,165	40,130	-2,965	52/53	44,282 (1985)	37,122 (1990)
2	43,509	45,594	-2,085	51/53	51,320 (1978)	42,667 (1995)
1	48,800	46,866	1,934	10/53	50,275 (2008)	41,890 (1981)

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Eurasia
2019		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
7	315	765	-391	38/50	3,551 (1967)	141 (2012)
6	1,742	3,609	-1,867	46/52	7,129 (1978)	1,068 (2012)
5	8,503	9,723	-1,459	46/53	12,511 (1976)	7,262 (2013)
4	16,301	17,174	-873	41/53	20,687 (1981)	14,767 (2014)
3	22,898	24,492	-1,594	47/53	27,950 (1981)	20,183 (2002)
2	27,678	28,479	-801	42/53	32,285 (1978)	25,913 (2002)
1	29,581	29,322	259	25/53	32,265 (2008)	25,823 (1981)
2018		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	27,594	27,135	460	16/53	29,699 (2002)	22,882 (1980)
11	22,053	20,474	1,580	13/53	24,132 (1993)	16,796 (1979)
10	10,391	9,497	894	22/51	17,218 (1976)	5,578 (1988)
9	1,300	1,526	-226	33/50	3,409 (1977)	540 (1984)
8	141	375	-234	44/50	1,859 (1967)	82 (1968)
7	206	765	-559	42/50	3,551 (1967)	141 (2012)
6	2,532	3,609	-1,512	41/52	7,129 (1978)	1,068 (2012)
5	9,307	9,723	-582	34/53	12,511 (1976)	7,262 (2013)
4	17,257	17,174	83	26/53	20,687 (1981)	14,767 (2014)
3	25,041	24,492	549	22/53	27,950 (1981)	20,183 (2002)
2	28,818	28,479	339	24/53	32,285 (1978)	25,913 (2002)
1	29,338	29,322	15	30/53	32,265 (2008)	25,823 (1981)
2017		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	26,859	27,135	-275	32/53	29,699 (2002)	22,882 (1980)
11	21,292	20,474	818	18/53	24,132 (1993)	16,796 (1979)
10	12,052	9,497	2,554	11/51	17,218 (1976)	5,578 (1988)
9	2,142	1,526	616	12/50	3,409 (1977)	540 (1984)
8	262	375	-113	28/50	1,859 (1967)	82 (1968)
7	387	765	-379	36/50	3,551 (1967)	141 (2012)
6	4,220	3,609	611	20/52	7,129 (1978)	1,068 (2012)
5	10,975	9,723	1,252	12/53	12,511 (1976)	7,262 (2013)
4	17,587	17,174	414	21/53	20,687 (1981)	14,767 (2014)
3	24,558	24,492	66	28/53	27,950 (1981)	20,183 (2002)
2	29,262	28,479	783	19/53	32,285 (1978)	25,913 (2002)
1	31,149	29,322	1,826	7/53	32,265 (2008)	25,823 (1981)
2016		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	27,751	27,135	616	12/53	29,699 (2002)	22,882 (1980)
11	24,034	20,474	3,560	2/53	24,132 (1993)	16,796 (1979)
10	13,484	9,497	3,987	3/51	17,218 (1976)	5,578 (1988)
9	1,690	1,526	163	21/50	3,409 (1977)	540 (1984)
8	190	375	-185	38/50	1,859 (1967)	82 (1968)
7	188	765	-577	44/50	3,551 (1967)	141 (2012)
6	1,269	3,609	-2,340	51/52	7,129 (1978)	1,068 (2012)
5	8,544	9,723	-1,179	44/53	12,511 (1976)	7,262 (2013)
4	15,482	17,174	-1,692	49/53	20,687 (1981)	14,767 (2014)
3	22,573	24,492	-1,919	49/53	27,950 (1981)	20,183 (2002)
2	26,832	28,479	-1,647	50/53	32,285 (1978)	25,913 (2002)
1	30,449	29,322	1,127	14/53	32,265 (2008)	25,823 (1981)

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North America
2019		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
7	2,298	2,900	-602	47/50	5,073 (1978)	2,184 (2012)
6	4,194	5,809	-1,615	50/52	7,843 (1978)	3,854 (2012)
5	8,560	9,296	-736	46/53	11,478 (1974)	7,798 (2010)
4	12,759	13,041	-283	35/53	15,077 (1975)	11,020 (2010)
3	16,582	15,638	944	9/53	17,293 (1969)	14,041 (1968)
2	18,347	17,115	1,232	4/53	19,035 (1978)	15,831 (1992)
1	17,658	17,543	115	27/53	18,816 (1985)	16,067 (1981)
2018		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	16,953	16,846	106	21/53	18,273 (2009)	14,559 (1980)
11	15,720	13,485	2,236	1/53	15,720 (2018)	11,483 (1979)
10	9,667	8,047	1,620	2/51	9,763 (2002)	6,364 (1979)
9	5,065	3,709	1,357	1/50	5,065 (2018)	2,892 (1968)
8	2,592	2,422	170	17/50	3,855 (1978)	2,007 (1968)
7	2,801	2,900	-99	29/50	5,073 (1978)	2,184 (2012)
6	5,306	5,809	-503	36/52	7,843 (1978)	3,854 (2012)
5	8,951	9,296	-345	33/53	11,478 (1974)	7,798 (2010)
4	14,803	13,041	1,761	4/53	15,077 (1975)	11,020 (2010)
3	16,784	15,638	1,146	5/53	17,293 (1969)	14,041 (1968)
2	17,475	17,115	360	20/53	19,035 (1978)	15,831 (1992)
1	17,592	17,543	49	31/53	18,816 (1985)	16,067 (1981)
2017		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	16,710	16,846	-136	25/53	18,273 (2009)	14,559 (1980)
11	14,683	13,485	1,198	8/53	15,720 (2018)	11,483 (1979)
10	9,115	8,047	1,068	8/51	9,763 (2002)	6,364 (1979)
9	4,009	3,709	300	16/50	5,065 (2018)	2,892 (1968)
8	2,652	2,422	231	14/50	3,855 (1978)	2,007 (1968)
7	3,067	2,900	167	19/50	5,073 (1978)	2,184 (2012)
6	5,054	5,809	-754	41/52	7,843 (1978)	3,854 (2012)
5	9,759	9,296	463	18/53	11,478 (1974)	7,798 (2010)
4	13,582	13,041	540	22/53	15,077 (1975)	11,020 (2010)
3	15,510	15,638	-128	34/53	17,293 (1969)	14,041 (1968)
2	16,702	17,115	-413	39/53	19,035 (1978)	15,831 (1992)
1	18,035	17,543	492	13/53	18,816 (1985)	16,067 (1981)
2016		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	17,645	16,846	799	11/53	18,273 (2009)	14,559 (1980)
11	12,893	13,485	-592	42/53	15,720 (2018)	11,483 (1979)
10	9,471	8,047	1,424	3/51	9,763 (2002)	6,364 (1979)
9	4,038	3,709	330	14/50	5,065 (2018)	2,892 (1968)
8	2,435	2,422	14	25/50	3,855 (1978)	2,007 (1968)
7	2,366	2,900	-534	44/50	5,073 (1978)	2,184 (2012)
6	4,311	5,809	-1,497	49/52	7,843 (1978)	3,854 (2012)
5	7,799	9,296	-1,497	52/53	11,478 (1974)	7,798 (2010)
4	12,433	13,041	-609	43/53	15,077 (1975)	11,020 (2010)
3	14,591	15,638	-1,046	51/53	17,293 (1969)	14,041 (1968)
2	16,677	17,115	-438	41/53	19,035 (1978)	15,831 (1992)
1	18,351	17,543	808	6/53	18,816 (1985)	16,067 (1981)

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Canada
2019		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
7	226	772	-546	49/50	2,718 (1978)	143 (2012)
6	1,933	3,258	-1,326	50/52	4,899 (1978)	1,604 (2012)
5	5,526	5,905	-379	39/53	7,902 (1974)	4,762 (2010)
4	8,364	8,647	-284	39/53	9,860 (1979)	6,939 (2010)
3	10,102	10,023	78	30/53	10,368 (1982)	9,486 (1981)
2	10,390	10,279	111	7/53	10,424 (2013)	10,015 (1981)
1	10,312	10,294	18	28/53	10,424 (1982)	10,060 (1981)
2018		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	10,263	10,096	167	12/53	10,403 (2016)	9,691 (1980)
11	9,978	8,663	1,315	1/53	9,978 (2018)	7,254 (1987)
10	6,708	4,774	1,934	1/51	6,708 (2018)	3,488 (1987)
9	2,812	1,395	1,417	1/50	2,812 (2018)	647 (1968)
8	424	375	49	22/50	1,569 (1978)	132 (2009)
7	616	772	-156	32/50	2,718 (1978)	143 (2012)
6	2,852	3,258	-407	35/52	4,899 (1978)	1,604 (2012)
5	5,715	5,905	-190	27/53	7,902 (1974)	4,762 (2010)
4	9,745	8,647	1,097	4/53	9,860 (1979)	6,939 (2010)
3	10,312	10,023	289	11/53	10,368 (1982)	9,486 (1981)
2	10,349	10,279	70	18/53	10,424 (2013)	10,015 (1981)
1	10,387	10,294	93	7/53	10,424 (1982)	10,060 (1981)
2017		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	10,219	10,096	123	16/53	10,403 (2016)	9,691 (1980)
11	9,917	8,663	1,254	2/53	9,978 (2018)	7,254 (1987)
10	5,808	4,774	1,034	7/51	6,708 (2018)	3,488 (1987)
9	1,607	1,395	212	18/50	2,812 (2018)	647 (1968)
8	470	375	95	19/50	1,569 (1978)	132 (2009)
7	863	772	91	19/50	2,718 (1978)	143 (2012)
6	2,599	3,258	-659	41/52	4,899 (1978)	1,604 (2012)
5	6,495	5,905	590	11/53	7,902 (1974)	4,762 (2010)
4	9,265	8,647	617	19/53	9,860 (1979)	6,939 (2010)
3	10,101	10,023	78	31/53	10,368 (1982)	9,486 (1981)
2	10,320	10,279	41	23/53	10,424 (2013)	10,015 (1981)
1	10,364	10,294	70	11/53	10,424 (1982)	10,060 (1981)
2016		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	10,403	10,096	307	1/53	10,403 (2016)	9,691 (1980)
11	8,315	8,663	-348	40/53	9,978 (2018)	7,254 (1987)
10	6,578	4,774	1,804	2/51	6,708 (2018)	3,488 (1987)
9	1,683	1,395	288	15/50	2,812 (2018)	647 (1968)
8	388	375	12	24/50	1,569 (1978)	132 (2009)
7	317	772	-454	44/50	2,718 (1978)	143 (2012)
6	2,023	3,258	-1,235	49/52	4,899 (1978)	1,604 (2012)
5	5,011	5,905	-894	51/53	7,902 (1974)	4,762 (2010)
4	8,270	8,647	-378	41/53	9,860 (1979)	6,939 (2010)
3	9,910	10,023	-113	43/53	10,368 (1982)	9,486 (1981)
2	10,245	10,279	-35	40/53	10,424 (2013)	10,015 (1981)
1	10,354	10,294	60	14/53	10,424 (1982)	10,060 (1981)

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Contiguous United States
2019		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
7	0	17	-17	24-50/50	84 (1997)	0 (tie)
6	7	55	-48	32/52	268 (1973)	0 (tie)
5	48	167	-119	41/53	527 (1983)	0 (2004)
4	784	730	54	22/53	1,602 (1975)	209 (1968)
3	2,750	1,918	832	6/53	3,209 (1969)	906 (1968)
2	4,226	3,105	1,121	4/53	4,910 (1978)	1,972 (1992)
1	3,653	3,535	118	24/53	4,678 (1985)	2,292 (1981)
2018		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	3,004	3,061	-57	25/53	4,246 (2009)	1,242 (1980)
11	2,153	1,231	921	3/53	2,268 (2014)	174 (1999)
10	177	186	-9	18/51	548 (2009)	0 (tie)
9	0	8	-8	19-50/50	54 (1978)	0 (tie)
8	0	6	-6	12-50/50	65 (1983)	0 (tie)
7	0	17	-17	24-50/50	84 (1997)	0 (tie)
6	0	55	-55	34-52/52	268 (1973)	0 (tie)
5	83	167	-83	37/53	527 (1983)	0 (2004)
4	1,316	730	587	5/53	1,602 (1975)	209 (1968)
3	2,705	1,918	787	7/53	3,209 (1969)	906 (1968)
2	3,363	3,105	258	21/53	4,910 (1978)	1,972 (1992)
1	3,442	3,535	-93	32/53	4,678 (1985)	2,292 (1981)
2017		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	2,751	3,061	-309	34/53	4,246 (2009)	1,242 (1980)
11	1,150	1,231	-81	23/53	2,268 (2014)	174 (1999)
10	184	186	-2	17/51	548 (2009)	0 (tie)
9	45	8	37	3/50	54 (1978)	0 (tie)
8	0	6	-6	12-50/50	65 (1983)	0 (tie)
7	0	17	-17	24-50/50	84 (1997)	0 (tie)
6	0	55	-55	34-52/52	268 (1973)	0 (tie)
5	135	167	-32	27/53	527 (1983)	0 (2004)
4	631	730	-99	33/53	1,602 (1975)	209 (1968)
3	1,709	1,918	-209	35/53	3,209 (1969)	906 (1968)
2	2,673	3,105	-432	42/53	4,910 (1978)	1,972 (1992)
1	3,918	3,535	383	13/53	4,678 (1985)	2,292 (1981)
2016		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	3,494	3,061	433	13/53	4,246 (2009)	1,242 (1980)
11	965	1,231	-266	35/53	2,268 (2014)	174 (1999)
10	58	186	-128	35/51	548 (2009)	0 (tie)
9	4	8	-4	17/50	54 (1978)	0 (tie)
8	0	6	-6	12-50/50	65 (1983)	0 (tie)
7	0	17	-17	24-50/50	84 (1997)	0 (tie)
6	0	55	-55	34-52/52	268 (1973)	0 (tie)
5	32	167	-135	47/53	527 (1983)	0 (2004)
4	612	730	-117	35/53	1,602 (1975)	209 (1968)
3	989	1,918	-929	52/53	3,209 (1969)	906 (1968)
2	2,722	3,105	-382	40/53	4,910 (1978)	1,972 (1992)
1	4,275	3,535	740	7/53	4,678 (1985)	2,292 (1981)

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Alaska
2019		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
7	1	74	-73	47/50	445 (1967)	0 (tie)
6	123	329	-206	50/52	856 (1985)	37 (2015)
5	836	1,033	-198	43/53	1,486 (1985)	595 (2016)
4	1,452	1,423	29	35/53	1,526 (2018)	1,360 (2016)
3	1,513	1,486	27	3/53	1,534 (2008)	1,293 (1968)
2	1,521	1,515	6	26/53	1,534 (tie)	1,417 (1968)
1	1,500	1,495	4	16-37/53	1,534 (tie)	1,423 (1986)
2018		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	1,500	1,480	19	7-23/53	1,534 (2012)	1,330 (1967)
11	1,403	1,406	-3	33/53	1,500 (tie)	950 (1979)
10	596	889	-293	49/51	1,228 (1971)	348 (1979)
9	82	194	-113	44/50	417 (1996)	35 (1974)
8	52	55	-3	29/50	546 (1967)	0 (tie)
7	41	74	-33	34/50	445 (1967)	0 (tie)
6	305	329	-24	32/52	856 (1985)	37 (2015)
5	987	1,033	-47	33/53	1,486 (1985)	595 (2016)
4	1,526	1,423	104	1/52	1,526 (2018)	1,360 (2016)
3	1,534	1,486	49	2/53	1,534 (2008)	1,293 (1968)
2	1,534	1,515	20	1-5/53	1,534 (tie)	1,417 (1968)
1	1,534	1,495	39	1-4/53	1,534 (tie)	1,423 (1986)
2017		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	1,514	1,480	34	3/53	1,534 (2012)	1,330 (1967)
11	1,429	1,406	23	22/53	1,500 (tie)	950 (1979)
10	947	889	58	19/51	1,228 (1971)	348 (1979)
9	206	194	12	21/50	417 (1996)	35 (1974)
8	88	55	33	16/50	546 (1967)	0 (tie)
7	92	74	18	18/50	445 (1967)	0 (tie)
6	305	329	-23	31/52	856 (1985)	37 (2015)
5	953	1,033	-80	35/53	1,486 (1985)	595 (2016)
4	1,500	1,423	77	2-14/52	1,526 (2018)	1,360 (2016)
3	1,500	1,486	14	10-27/53	1,534 (2008)	1,293 (1968)
2	1,500	1,515	-15	33-43/53	1,534 (tie)	1,417 (1968)
1	1,525	1,495	30	6/53	1,534 (tie)	1,423 (1986)
2016		1981-2010 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	1,529	1,480	48	2/53	1,534 (2012)	1,330 (1967)
11	1,424	1,406	18	23/53	1,500 (tie)	950 (1979)
10	648	889	-241	48/51	1,228 (1971)	348 (1979)
9	166	194	-29	28/50	417 (1996)	35 (1974)
8	27	55	-28	32/50	546 (1967)	0 (tie)
7	46	74	-28	32/50	445 (1967)	0 (tie)
6	157	329	-172	44/52	856 (1985)	37 (2015)
5	595	1,033	-438	53/53	1,486 (1985)	595 (2016)
4	1,360	1,423	-63	53/53	1,526 (2018)	1,360 (2016)
3	1,496	1,486	10	28/53	1,534 (2008)	1,293 (1968)
2	1,500	1,515	-15	33-43/53	1,534 (tie)	1,417 (1968)
1	1,490	1,495	-5	39/53	1,534 (tie)	1,423 (1986)

Alaska rankings were revised in June 2016.
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Note: Missing months are July 1968, June-Oct 1969, and July-Sep 1971.