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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
2022 1991-2020 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
5 17,955 18,216 -261 40/56 23,093 (1974) 15,377 (2010)
4 30,856 29,927 929 23/56 34,606 (1979) 27,914 (2016)
3 40,037 39,792 245 31/56 44,282 (1985) 37,122 (1990)
2 45,777 45,701 76 27/56 51,320 (1978) 42,667 (1995)
1 47,288 47,240 48 26/56 50,275 (2008) 41,890 (1981)
 
2021 1991-2020 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 44,513 44,269 244 17/56 46,846 (2012) 37,441 (1980)
11 35,448 35,054 394 18/56 38,597 (1993) 28,279 (1979)
10 18,137 19,167 -1,030 28/54 25,724 (1976) 12,781 (1988)
9 5,585 5,508 78 22/53 7,762 (1972) 3,838 (1990)
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 54/56 23,093 (1974) 15,377 (2010)
4 28,841 29,927 -1,087 46/56 34,606 (1979) 27,914 (2016)
3 38,609 39,792 -1,183 45/56 44,282 (1985) 37,122 (1990)
2 46,090 45,701 388 22/56 51,320 (1978) 42,667 (1995)
1 46,769 47,240 -470 33/56 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 33/56 46,846 (2012) 37,441 (1980)
11 35,973 35,054 919 12/56 38,597 (1993) 28,279 (1979)
10 21,220 19,167 2,053 10/54 25,724 (1976) 12,781 (1988)
9 4,505 5,508 -1,003 43/53 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 50/56 23,093 (1974) 15,377 (2010)
4 29,137 29,927 -790 43/56 34,606 (1979) 27,914 (2016)
3 37,714 39,792 -2,079 52/56 44,282 (1985) 37,122 (1990)
2 43,477 45,701 -2,224 54/56 51,320 (1978) 42,667 (1995)
1 46,375 47,240 -864 39/56 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 38/56 46,846 (2012) 37,441 (1980)
11 37,060 35,054 2,006 5/56 38,597 (1993) 28,279 (1979)
10 22,256 19,167 3,089 5/54 25,724 (1976) 12,781 (1988)
9 5,145 5,508 -363 33/53 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 45/56 23,093 (1974) 15,377 (2010)
4 29,060 29,927 -867 44/56 34,606 (1979) 27,914 (2016)
3 39,480 39,792 -313 38/56 44,282 (1985) 37,122 (1990)
2 46,025 45,701 324 24/56 51,320 (1978) 42,667 (1995)
1 47,239 47,240 0 27/56 50,275 (2008) 41,890 (1981)

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Eurasia
2022 1991-2020 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
5 8,560 9,179 -619 44/56 12,511 (1976) 7,262 (2013)
4 16,864 16,759 105 32/56 20,687 (1981) 14,767 (2014)
3 24,387 24,091 296 33/56 27,950 (1981) 20,183 (2002)
2 28,997 28,515 482 22/56 32,285 (1978) 25,913 (2002)
1 29,687 29,647 40 24/56 32,265 (2008) 25,823 (1981)
 
2021 1991-2020 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 27,693 27,365 329 13/56 29,699 (2002) 22,882 (1980)
11 22,521 21,181 1,340 9/56 24,132 (1993) 16,796 (1979)
10 10,672 10,684 -13 22/54 17,218 (1976) 5,578 (1988)
9 1,508 1,636 -128 30/53 3,409 (1977) 540 (1984)
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 52/56 12,511 (1976) 7,262 (2013)
4 16,485 16,759 -274 41/56 20,687 (1981) 14,767 (2014)
3 23,691 24,091 -400 43/56 27,950 (1981) 20,183 (2002)
2 27,695 28,515 -820 43/56 32,285 (1978) 25,913 (2002)
1 29,115 29,647 -531 37/56 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 27/56 29,699 (2002) 22,882 (1980)
11 21,592 21,181 412 18/56 24,132 (1993) 16,796 (1979)
10 10,957 10,684 272 19/54 17,218 (1976) 5,578 (1988)
9 582 1,636 -1,054 51/53 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 54/56 12,511 (1976) 7,262 (2013)
4 15,199 16,759 -1,560 54/56 20,687 (1981) 14,767 (2014)
3 22,096 24,091 -1,995 53/56 27,950 (1981) 20,183 (2002)
2 26,761 28,515 -1,754 54/56 32,285 (1978) 25,913 (2002)
1 28,869 29,647 -777 41/56 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 44/56 29,699 (2002) 22,882 (1980)
11 21,974 21,181 794 15/56 24,132 (1993) 16,796 (1979)
10 12,768 10,684 2,083 7/54 17,218 (1976) 5,578 (1988)
9 1,574 1,636 -62 27/53 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 47/56 12,511 (1976) 7,262 (2013)
4 16,301 16,759 -458 43/56 20,687 (1981) 14,767 (2014)
3 22,898 24,091 -1,193 49/56 27,950 (1981) 20,183 (2002)
2 27,678 28,515 -837 44/56 32,285 (1978) 25,913 (2002)
1 29,581 29,647 -65 26/56 32,265 (2008) 25,823 (1981)

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North America
2022 1991-2020 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
5 9,395 9,037 358 23/56 11,478 (1974) 7,798 (2010)
4 13,992 13,168 824 13/56 15,077 (1975) 11,020 (2010)
3 15,651 15,702 -51 32/56 17,293 (1969) 14,041 (1968)
2 16,779 17,186 -407 37/56 19,035 (1978) 15,831 (1992)
1 17,601 17,593 8 32/56 18,816 (1985) 16,067 (1981)
 
2021 1991-2020 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 16,819 16,904 -85 26/56 18,273 (2009) 14,559 (1980)
11 12,927 13,873 -946 44/56 15,720 (2018) 11,483 (1979)
10 7,466 8,483 -1,017 46/54 10,263 (2020) 6,364 (1979)
9 4,077 3,872 206 13/53 5,065 (2018) 2,892 (1968)
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 46/56 11,478 (1974) 7,798 (2010)
4 12,356 13,168 -812 47/56 15,077 (1975) 11,020 (2010)
3 14,918 15,702 -783 48/56 17,293 (1969) 14,041 (1968)
2 18,394 17,186 1,208 4/56 19,035 (1978) 15,831 (1992)
1 17,654 17,593 61 28/56 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 38/56 18,273 (2009) 14,559 (1980)
11 14,380 13,873 507 13/56 15,720 (2018) 11,483 (1979)
10 10,263 8,483 1,781 1/54 10,263 (2020) 6,364 (1979)
9 3,923 3,872 51 23/53 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 29/56 11,478 (1974) 7,798 (2010)
4 13,938 13,168 770 15/56 15,077 (1975) 11,020 (2010)
3 15,618 15,702 -84 33/56 17,293 (1969) 14,041 (1968)
2 16,716 17,186 -470 41/56 19,035 (1978) 15,831 (1992)
1 17,506 17,593 -87 35/56 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 18/56 18,273 (2009) 14,559 (1980)
11 15,086 13,873 1,213 3/56 15,720 (2018) 11,483 (1979)
10 9,488 8,483 1,006 4/54 10,263 (2020) 6,364 (1979)
9 3,570 3,872 -301 38/53 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 49/56 11,478 (1974) 7,798 (2010)
4 12,759 13,168 -409 37/56 15,077 (1975) 11,020 (2010)
3 16,582 15,702 880 9/56 17,293 (1969) 14,041 (1968)
2 18,347 17,186 1,161 5/56 19,035 (1978) 15,831 (1992)
1 17,658 17,593 65 27/56 18,816 (1985) 16,067 (1981)

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Canada
2022 1991-2020 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
5 6,080 5,797 283 23/56 7,902 (1974) 4,762 (2010)
4 9,409 8,787 622 16/56 9,860 (1979) 6,939 (2010)
3 10,130 10,074 56 27/56 10,368 (1982) 9,486 (1981)
2 10,303 10,309 -6 28/56 10,424 (2013) 10,015 (1981)
1 10,348 10,319 29 16/56 10,424 (1982) 10,060 (1981)
 
2021 1991-2020 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 10,255 10,147 108 14/56 10,403 (2016) 9,691 (1980)
11 8,713 8,948 -235 32/56 9,978 (2018) 7,254 (1987)
10 4,150 5,210 -1,060 47/54 6,708 (2018) 3,488 (1987)
9 1,514 1,544 -30 25/53 2,812 (2018) 647 (1968)
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 40/56 7,902 (1974) 4,762 (2010)
4 8,237 8,787 -551 46/56 9,860 (1979) 6,939 (2010)
3 9,856 10,074 -218 47/56 10,368 (1982) 9,486 (1981)
2 10,373 10,309 64 10/56 10,424 (2013) 10,015 (1981)
1 10,282 10,319 -37 41/56 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 21/56 10,403 (2016) 9,691 (1980)
11 9,545 8,948 597 7/56 9,978 (2018) 7,254 (1987)
10 6,524 5,210 1,313 3/54 6,708 (2018) 3,488 (1987)
9 1,606 1,544 62 19/53 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 17/56 7,902 (1974) 4,762 (2010)
4 9,432 8,787 645 15/56 9,860 (1979) 6,939 (2010)
3 10,208 10,074 133 19/56 10,368 (1982) 9,486 (1981)
2 10,346 10,309 36 20/56 10,424 (2013) 10,015 (1981)
1 10,374 10,319 55 9/56 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 12/56 10,403 (2016) 9,691 (1980)
11 9,836 8,948 887 3/56 9,978 (2018) 7,254 (1987)
10 5,849 5,210 639 8/54 6,708 (2018) 3,488 (1987)
9 1,234 1,544 -310 40/53 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 42/56 7,902 (1974) 4,762 (2010)
4 8,364 8,787 -423 41/56 9,860 (1979) 6,939 (2010)
3 10,102 10,074 27 32/56 10,368 (1982) 9,486 (1981)
2 10,390 10,309 80 7/56 10,424 (2013) 10,015 (1981)
1 10,312 10,319 -7 30/56 10,424 (1982) 10,060 (1981)

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Contiguous United States
2022 1991-2020 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
5 132 104 28 28/56 527 (1983) 0 (2004)
4 909 723 187 19/56 1,602 (1975) 209 (1968)
3 1,787 1,926 -140 50/56 3,209 (1969) 906 (1968)
2 2,714 3,150 -436 42/56 4,910 (1978) 1,972 (1992)
1 3,485 3,554 -69 31/56 4,678 (1985) 2,292 (1981)
 
2021 1991-2020 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 2,808 3,059 -251 32/56 4,246 (2009) 1,242 (1980)
11 481 1,321 -840 54/56 2,268 (2014) 174 (1999)
10 84 206 -122 32/54 790 (2020) 0 (tie)
9 0 10 -10 20-53/53 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 0 29 -29 35-54/54 268 (1973) 0 (tie)
5 77 104 -27 39/56 527 (1983) 0 (2004)
4 399 723 -324 49/56 1,602 (1975) 209 (1968)
3 1,305 1,926 -621 50/56 3,209 (1969) 906 (1968)
2 4,208 3,150 1,058 5/56 4,910 (1978) 1,972 (1992)
1 3,611 3,554 57 28/56 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 43/56 4,246 (2009) 1,242 (1980)
11 1,150 1,321 -172 25/56 2,268 (2014) 174 (1999)
10 790 206 584 1/54 790 (2020) 0 (tie)
9 0 10 -10 20-53/53 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 53/56 527 (1983) 0 (2004)
4 813 723 90 23/56 1,602 (1975) 209 (1968)
3 1,655 1,926 -272 38/56 3,209 (1969) 906 (1968)
2 2,615 3,150 -535 46/56 4,910 (1978) 1,972 (1992)
1 3,383 3,554 -170 36/56 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 11/56 2,268 (2014) 174 (1999)
10 491 206 285 4/54 790 (2020) 0 (tie)
9 72 10 62 1/53 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 43/56 527 (1983) 0 (2004)
4 784 723 61 24/56 1,602 (1975) 209 (1968)
3 2,750 1,926 824 6/56 3,209 (1969) 906 (1968)
2 4,226 3,150 1,076 4/56 4,910 (1978) 1,972 (1992)
1 3,653 3,554 99 24/56 4,678 (1985) 2,292 (1981)

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Alaska
2022 1991-2020 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
5 997 956 41 32/56 1,486 (1985) 595 (2016)
4 1,487 1,461 26 20/56 1,526 (2018) 1,360 (2016)
3 1,523 1,495 28 5/56 1,534 (2008) 1,293 (1968)
2 1,534 1,513 21 1-8/56 1,534 (tie) 1,417 (1968)
1 1,534 1,505 30 1-6/56 1,534 (tie) 1,423 (1986)
 
2021 1991-2020 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 1,534 1,495 39 1-3/56 1,534 (tie) 1,330 (1967)
11 1,521 1,416 105 1/56 1,521 (2021) 950 (1979)
10 1,049 868 181 10/54 1,228 (1971) 348 (1979)
9 406 181 225 3/53 417 (1996) 35 (1974)
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 48/56 1,486 (1985) 595 (2016)
4 1,499 1,461 38 15/56 1,526 (2018) 1,360 (2016)
3 1,534 1,495 39 1-4/56 1,534 (2008) 1,293 (1968)
2 1,534 1,513 21 1-8/56 1,534 (tie) 1,417 (1968)
1 1,534 1,505 30 1-6/56 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 1-3/56 1,534 (tie) 1,330 (1967)
11 1,475 1,416 59 8/56 1,521 (2021) 950 (1979)
10 755 868 -114 43/54 1,228 (1971) 348 (1979)
9 140 181 -40 35/53 417 (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 54/56 1,486 (1985) 595 (2016)
4 1,473 1,461 11 26/56 1,526 (2018) 1,360 (2016)
3 1,534 1,495 39 1-4/56 1,534 (2008) 1,293 (1968)
2 1,534 1,513 21 1-8/56 1,534 (tie) 1,417 (1968)
1 1,528 1,505 23 7/56 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 9-26/56 1,534 (tie) 1,330 (1967)
11 1,419 1,416 3 29/56 1,521 (2021) 950 (1979)
10 953 868 85 19/54 1,228 (1971) 348 (1979)
9 106 181 -74 44/53 417 (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 44/56 1,486 (1985) 595 (2016)
4 1,452 1,461 -10 38/56 1,526 (2018) 1,360 (2016)
3 1,513 1,495 18 6/56 1,534 (2008) 1,293 (1968)
2 1,521 1,513 8 29/56 1,534 (tie) 1,417 (1968)
1 1,500 1,505 -5 19-40/56 1,534 (tie) 1,423 (1986)

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