Rutgers University Climate Lab

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

Select a Region
Northern Hemisphere	North America	United States
Eurasia	Canada	Alaska

Northern Hemisphere
2021		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
8	2,540	2,682	-142	40/53	5,308 (1967)	2,089 (1968)
7	2,812	3,191	-378	43/52	8,210 (1967)	2,325 (2012)
6	6,172	8,134	-1,961	46/54	14,972 (1978)	4,922 (2012)
5	16,209	18,216	-2,008	53/55	23,093 (1974)	15,377 (2010)
4	28,841	29,927	-1,087	45/55	34,606 (1979)	27,914 (2016)
3	38,609	39,792	-1,183	44/55	44,282 (1985)	37,122 (1990)
2	46,090	45,701	388	22/55	51,320 (1978)	42,667 (1995)
1	46,769	47,240	-470	32/55	50,275 (2008)	41,890 (1981)

2020		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	43,699	44,269	-570	32/55	46,846 (2012)	37,441 (1980)
11	35,973	35,054	919	12/55	38,597 (1993)	28,279 (1979)
10	21,220	19,167	2,053	10/53	25,724 (1976)	12,781 (1988)
9	4,505	5,508	-1,003	42/52	7,762 (1972)	3,838 (1990)
8	2,292	2,682	-390	51/53	5,308 (1967)	2,089 (1968)
7	2,406	3,191	-785	51/52	8,210 (1967)	2,325 (2012)
6	5,961	8,134	-2,173	50/54	14,972 (1978)	4,922 (2012)
5	16,659	18,216	-1,557	49/55	23,093 (1974)	15,377 (2010)
4	29,137	29,927	-790	42/55	34,606 (1979)	27,914 (2016)
3	37,714	39,792	-2,079	51/55	44,282 (1985)	37,122 (1990)
2	43,477	45,701	-2,224	53/55	51,320 (1978)	42,667 (1995)
1	46,375	47,240	-864	38/55	50,275 (2008)	41,890 (1981)

2019		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	43,469	44,269	-800	37/55	46,846 (2012)	37,441 (1980)
11	37,060	35,054	2,006	5/55	38,597 (1993)	28,279 (1979)
10	22,256	19,167	3,089	5/53	25,724 (1976)	12,781 (1988)
9	5,145	5,508	-363	32/52	7,762 (1972)	3,838 (1990)
8	2,508	2,682	-174	42/53	5,308 (1967)	2,089 (1968)
7	2,613	3,191	-578	45/52	8,210 (1967)	2,325 (2012)
6	5,936	8,134	-2,197	51/54	14,972 (1978)	4,922 (2012)
5	17,063	18,216	-1,153	44/55	23,093 (1974)	15,377 (2010)
4	29,060	29,927	-867	43/55	34,606 (1979)	27,914 (2016)
3	39,480	39,792	-313	37/55	44,282 (1985)	37,122 (1990)
2	46,025	45,701	324	24/55	51,320 (1978)	42,667 (1995)
1	47,239	47,240	0	26/55	50,275 (2008)	41,890 (1981)

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Eurasia
2021		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
8	153	272	-120	42/53	1,859 (1967)	72 (2020)
7	194	487	-293	44/52	3,551 (1967)	141 (tie)
6	1,178	2,853	-1,675	52/54	7,129 (1978)	1,068 (2012)
5	7,622	9,179	-1,557	51/55	12,511 (1976)	7,262 (2013)
4	16,485	16,759	-274	40/55	20,687 (1981)	14,767 (2014)
3	23,691	24,091	-400	42/55	27,950 (1981)	20,183 (2002)
2	27,695	28,515	-820	42/55	32,285 (1978)	25,913 (2002)
1	29,115	29,647	-531	36/55	32,265 (2008)	25,823 (1981)

2020		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	27,203	27,365	-161	26/55	29,699 (2002)	22,882 (1980)
11	21,592	21,181	412	17/55	24,132 (1993)	16,796 (1979)
10	10,957	10,684	272	19/53	17,218 (1976)	5,578 (1988)
9	582	1,636	-1,054	50/52	3,409 (1977)	540 (1984)
8	72	272	-201	53/53	1,859 (1967)	72 (2020)
7	141	487	-346	52/52	3,551 (1967)	141 (2020)
6	1,123	2,853	-1,730	53/54	7,129 (1978)	1,068 (2012)
5	7,574	9,179	-1,605	53/55	12,511 (1976)	7,262 (2013)
4	15,199	16,759	-1,560	53/55	20,687 (1981)	14,767 (2014)
3	22,096	24,091	-1,995	52/55	27,950 (1981)	20,183 (2002)
2	26,761	28,515	-1,754	53/55	32,285 (1978)	25,913 (2002)
1	28,869	29,647	-777	40/55	32,265 (2008)	25,823 (1981)

2019		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	26,304	27,365	-1,061	43/55	29,699 (2002)	22,882 (1980)
11	21,974	21,181	794	14/55	24,132 (1993)	16,796 (1979)
10	12,768	10,684	2,083	7/53	17,218 (1976)	5,578 (1988)
9	1,574	1,636	-62	27/52	3,409 (1977)	540 (1984)
8	158	272	-114	40/52	1,859 (1967)	72 (2020)
7	315	487	-172	38/52	3,551 (1967)	141 (2012)
6	1,742	2,853	-1,110	46/54	7,129 (1978)	1,068 (2012)
5	8,503	9,179	-676	46/55	12,511 (1976)	7,262 (2013)
4	16,301	16,759	-458	42/55	20,687 (1981)	14,767 (2014)
3	22,898	24,091	-1,193	48/55	27,950 (1981)	20,183 (2002)
2	27,678	28,515	-837	43/55	32,285 (1978)	25,913 (2002)
1	29,581	29,647	-65	25/55	32,265 (2008)	25,823 (1981)

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North America
2021		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
8	2,387	2,410	-22	30/53	3,855 (1978)	2,007 (1968)
7	2,618	2,703	-85	39/52	5,073 (1978)	2,184 (2012)
6	4,995	5,281	-286	42/54	7,843 (1978)	3,854 (2012)
5	8,586	9,037	-451	45/55	11,478 (1974)	7,798 (2010)
4	12,356	13,168	-812	46/55	15,077 (1975)	11,020 (2010)
3	14,918	15,702	-783	47/55	17,293 (1969)	14,041 (1968)
2	18,394	17,186	1,208	4/55	19,035 (1978)	15,831 (1992)
1	17,654	17,593	61	28/55	18,816 (1985)	16,067 (1981)

2020		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	16,496	16,904	-408	37/55	18,273 (2009)	14,559 (1980)
11	14,380	13,873	507	13/55	15,720 (2018)	11,483 (1979)
10	10,263	8,483	1,781	1/53	10,263 (2020)	6,364 (1979)
9	3,923	3,872	51	22/52	5,065 (2018)	2,892 (1968)
8	2,220	2,410	-189	43/53	3,855 (1978)	2,007 (1968)
7	2,265	2,703	-438	51/52	5,073 (1978)	2,184 (2012)
6	4,838	5,281	-443	44/54	7,843 (1978)	3,854 (2012)
5	9,084	9,037	48	28/55	11,478 (1974)	7,798 (2010)
4	13,938	13,168	770	14/55	15,077 (1975)	11,020 (2010)
3	15,618	15,702	-84	32/55	17,293 (1969)	14,041 (1968)
2	16,716	17,186	-470	40/55	19,035 (1978)	15,831 (1992)
1	17,506	17,593	-87	34/55	18,816 (1985)	16,067 (1981)

2019		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	17,165	16,904	260	18/55	18,273 (2009)	14,559 (1980)
11	15,086	13,873	1,213	3/55	15,720 (2018)	11,483 (1979)
10	9,488	8,483	1,006	4/53	10,263 (2020)	6,364 (1979)
9	3,570	3,872	-301	37/52	5,065 (2018)	2,892 (1968)
8	2,350	2,410	-60	35/53	3,855 (1978)	2,007 (1968)
7	2,298	2,703	-405	48/52	5,073 (1978)	2,184 (2012)
6	4,194	5,281	-1,087	52/54	7,843 (1978)	3,854 (2012)
5	8,560	9,037	-477	48/55	11,478 (1974)	7,798 (2010)
4	12,759	13,168	-409	36/55	15,077 (1975)	11,020 (2010)
3	16,582	15,702	880	9/55	17,293 (1969)	14,041 (1968)
2	18,347	17,186	1,161	5/55	19,035 (1978)	15,831 (1992)
1	17,658	17,593	65	27/55	18,816 (1985)	16,067 (1981)

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Canada
2021		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
8	262	355	-93	39/53	1,569 (1978)	132 (2009)
7	472	593	-121	42/52	2,718 (1978)	143 (2012)
6	2,680	2,843	-163	40/54	4,899 (1978)	1,604 (2012)
5	5,541	5,797	-256	39/55	7,902 (1974)	4,762 (2010)
4	8,237	8,787	-551	45/55	9,860 (1979)	6,939 (2010)
3	9,856	10,074	-218	46/55	10,368 (1982)	9,486 (1981)
2	10,373	10,309	64	10/55	10,424 (2013)	10,015 (1981)
1	10,282	10,319	-37	40/55	10,424 (1982)	10,060 (1981)

2020		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	10,209	10,147	62	20/55	10,403 (2016)	9,691 (1980)
11	9,545	8,948	597	7/55	9,978 (2018)	7,254 (1987)
10	6,524	5,210	1,313	3/53	6,708 (2018)	3,488 (1987)
9	1,606	1,544	62	19/52	2,812 (2018)	647 (1968)
8	202	355	-154	46/53	1,569 (1978)	132 (2009)
7	190	593	-403	51/52	2,718 (1978)	143 (2012)
6	2,577	2,843	-266	44/54	4,899 (1978)	1,604 (2012)
5	6,246	5,797	449	17/55	7,902 (1974)	4,762 (2010)
4	9,432	8,787	645	15/55	9,860 (1979)	6,939 (2010)
3	10,208	10,074	133	19/55	10,368 (1982)	9,486 (1981)
2	10,346	10,309	36	20/55	10,424 (2013)	10,015 (1981)
1	10,374	10,319	55	9/55	10,424 (1982)	10,060 (1981)

2019		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	10,276	10,147	129	12/55	10,403 (2016)	9,691 (1980)
11	9,836	8,948	887	3/55	9,978 (2018)	7,254 (1987)
10	5,849	5,210	639	8/53	6,708 (2018)	3,488 (1987)
9	1,234	1,544	-310	39/52	2,812 (2018)	647 (1968)
8	321	355	-34	31/53	1,569 (1978)	132 (2009)
7	226	593	-367	50/52	2,718 (1978)	143 (2012)
6	1,933	2,843	-910	52/54	4,899 (1978)	1,604 (2012)
5	5,526	5,797	-270	41/55	7,902 (1974)	4,762 (2010)
4	8,364	8,787	-423	40/55	9,860 (1979)	6,939 (2010)
3	10,102	10,074	27	31/55	10,368 (1982)	9,486 (1981)
2	10,390	10,309	80	7/55	10,424 (2013)	10,015 (1981)
1	10,312	10,319	-7	29/55	10,424 (1982)	10,060 (1981)

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Contiguous United States
2021		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
8	0	3	-3	12-53/53	65 (1983)	0 (tie)
7	0	10	-10	24-52/52	84 (1997)	0 (tie)
6	0	29	-29	35-54/54	268 (1973)	0 (tie)
5	77	104	-27	38/55	527 (1983)	0 (2004)
4	399	723	-324	48/55	1,602 (1975)	209 (1968)
3	1,305	1,926	-621	49/55	3,209 (1969)	906 (1968)
2	4,208	3,150	1,058	5/55	4,910 (1978)	1,972 (1992)
1	3,611	3,554	57	28/55	4,678 (1985)	2,292 (1981)

2020		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	2,525	3,059	-535	42/55	4,246 (2009)	1,242 (1980)
11	1,150	1,321	-172	25/55	2,268 (2014)	174 (1999)
10	790	206	584	1/53	790 (2020)	0 (tie)
9	0	10	-10	20-52/52	72 (2019)	0 (tie)
8	0	3	-3	12-53/53	65 (1983)	0 (tie)
7	0	10	-10	24-52/52	84 (1997)	0 (tie)
6	7	29	-22	31/54	268 (1973)	0 (tie)
5	24	104	-80	52/55	527 (1983)	0 (2004)
4	813	723	90	22/55	1,602 (1975)	209 (1968)
3	1,655	1,926	-272	37/55	3,209 (1969)	906 (1968)
2	2,615	3,150	-535	45/55	4,910 (1978)	1,972 (1992)
1	3,383	3,554	-170	35/55	4,678 (1985)	2,292 (1981)

2019		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	3,202	3,059	142	20/55	4,246 (2009)	1,242 (1980)
11	1,644	1,321	323	11/55	2,268 (2014)	174 (1999)
10	491	206	285	4/53	790 (2020)	0 (tie)
9	72	10	62	1/52	72 (2019)	0 (tie)
8	0	3	-3	12-53/53	65 (1983)	0 (tie)
7	0	10	-10	24-52/52	84 (1997)	0 (tie)
6	7	29	-22	33/54	268 (1973)	0 (tie)
5	48	104	-56	42/55	527 (1983)	0 (2004)
4	784	723	61	23/55	1,602 (1975)	209 (1968)
3	2,750	1,926	824	6/55	3,209 (1969)	906 (1968)
2	4,226	3,150	1,076	4/55	4,910 (1978)	1,972 (1992)
1	3,653	3,554	99	24/55	4,678 (1985)	2,292 (1981)

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Alaska
2021		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
8	63	36	27	26/53	546 (1967)	0 (tie)
7	88	53	35	19/52	445 (1967)	0 (tie)
6	178	258	-80	43/54	856 (1985)	37 (2015)
5	811	956	-145	47/55	1,486 (1985)	595 (2016)
4	1,499	1,461	38	15/55	1,526 (2018)	1,360 (2016)
3	1,534	1,495	39	1-4/55	1,534 (2008)	1,293 (1968)
2	1,534	1,513	21	1-7/55	1,534 (tie)	1,417 (1968)
1	1,534	1,505	30	1-5/55	1,534 (tie)	1,423 (1986)

2020		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	1,534	1,495	39	1-2/55	1,534 (tie)	1,330 (1967)
11	1,475	1,416	59	7/55	1,500 (tie)	950 (1979)
10	755	868	-114	42/53	1,228 (1971)	348 (1979)
9	140	181	-40	34/52	417 (1996)	35 (1974)
8	0	36	-36	43-53/53	546 (1967)	0 (tie)
7	32	53	-21	42/52	445 (1967)	0 (tie)
6	145	258	-113	49/54	856 (1985)	37 (2015)
5	655	956	-301	53/55	1,486 (1985)	595 (2016)
4	1,473	1,461	11	25/55	1,526 (2018)	1,360 (2016)
3	1,534	1,495	39	1-4/55	1,534 (2008)	1,293 (1968)
2	1,534	1,513	21	1-7/55	1,534 (tie)	1,417 (1968)
1	1,528	1,505	23	6/55	1,534 (tie)	1,423 (1986)

2019		1991-2020 Normal		Period of Record from 11-1966
Month	Area	Mean	Departure	Rank	Maximum (Year)	Minimum (Year)
12	1,500	1,495	5	8-25/55	1,534 (tie)	1,330 (1967)
11	1,419	1,416	3	28/55	1,500 (tie)	950 (1979)
10	953	868	85	18/53	1,228 (1971)	348 (1979)
9	106	181	-74	43/52	417 (1996)	35 (1974)
8	0	36	-36	43-53/53	546 (1967)	0 (tie)
7	1	53	-52	49/52	445 (1967)	0 (tie)
6	123	258	-134	52/54	856 (1985)	37 (2015)
5	836	956	-120	43/55	1,486 (1985)	595 (2016)
4	1,452	1,461	-10	37/55	1,526 (2018)	1,360 (2016)
3	1,513	1,495	18	5/55	1,534 (2008)	1,293 (1968)
2	1,521	1,513	8	28/55	1,534 (tie)	1,417 (1968)
1	1,500	1,505	-5	18-39/55	1,534 (tie)	1,423 (1986)

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Note: Missing months are July 1968, June-Oct 1969, and July-Sep 1971.