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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)
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 39/49 8,210 (1967) 2,325 (2012)
6 7,838 9,418 -1,580 41/51 14,972 (1978) 4,922 (2012)
5 18,259 19,019 -760 37/52 23,093 (1974) 15,377 (2010)
4 32,059 30,215 1,844 10/52 34,606 (1979) 27,914 (2016)
3 41,825 40,130 1,696 13/52 44,282 (1985) 37,122 (1990)
2 46,293 45,594 699 19/52 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 28/49 8,210 (1967) 2,325 (2012)
6 9,274 9,418 -144 27/51 14,972 (1978) 4,922 (2012)
5 20,734 19,019 1,715 12/52 23,093 (1974) 15,377 (2010)
4 31,169 30,215 954 17/52 34,606 (1979) 27,914 (2016)
3 40,067 40,130 -62 29/52 44,282 (1985) 37,122 (1990)
2 45,964 45,594 370 23/52 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 44/49 8,210 (1967) 2,325 (2012)
6 5,580 9,418 -3,838 49/51 14,972 (1978) 4,922 (2012)
5 16,343 19,019 -2,676 49/52 23,093 (1974) 15,377 (2010)
4 27,914 30,215 -2,301 52/52 34,606 (1979) 27,914 (2016)
3 37,165 40,130 -2,965 51/52 44,282 (1985) 37,122 (1990)
2 43,509 45,594 -2,085 50/52 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)
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 41/49 3,551 (1967) 141 (2012)
6 2,532 3,609 -1,512 41/51 7,129 (1978) 1,068 (2012)
5 9,307 9,723 -582 34/52 12,511 (1976) 7,262 (2013)
4 17,257 17,174 83 26/52 20,687 (1981) 14,767 (2014)
3 25,041 24,492 549 22/52 27,950 (1981) 20,183 (2002)
2 28,818 28,479 339 24/52 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 36/49 3,551 (1967) 141 (2012)
6 4,220 3,609 611 20/51 7,129 (1978) 1,068 (2012)
5 10,975 9,723 1,252 12/52 12,511 (1976) 7,262 (2013)
4 17,587 17,174 414 21/52 20,687 (1981) 14,767 (2014)
3 24,558 24,492 66 28/52 27,950 (1981) 20,183 (2002)
2 29,262 28,479 783 19/52 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 43/49 3,551 (1967) 141 (2012)
6 1,269 3,609 -2,340 50/51 7,129 (1978) 1,068 (2012)
5 8,544 9,723 -1,179 44/52 12,511 (1976) 7,262 (2013)
4 15,482 17,174 -1,692 48/52 20,687 (1981) 14,767 (2014)
3 22,573 24,492 -1,919 48/52 27,950 (1981) 20,183 (2002)
2 26,832 28,479 -1,647 49/52 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)
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 29/49 5,073 (1978) 2,184 (2012)
6 5,306 5,809 -503 36/51 7,843 (1978) 3,854 (2012)
5 8,951 9,296 -345 33/52 11,478 (1974) 7,798 (2010)
4 14,803 13,041 1,761 4/52 15,077 (1975) 11,020 (2010)
3 16,784 15,638 1,146 5/52 17,293 (1969) 14,041 (1968)
2 17,475 17,115 360 19/52 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 19/49 5,073 (1978) 2,184 (2012)
6 5,054 5,809 -754 41/51 7,843 (1978) 3,854 (2012)
5 9,759 9,296 463 18/52 11,478 (1974) 7,798 (2010)
4 13,582 13,041 540 22/52 15,077 (1975) 11,020 (2010)
3 15,510 15,638 -128 33/52 17,293 (1969) 14,041 (1968)
2 16,702 17,115 -413 38/52 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 44/49 5,073 (1978) 2,184 (2012)
6 4,311 5,809 -1,497 49/51 7,843 (1978) 3,854 (2012)
5 7,799 9,296 -1,497 51/52 11,478 (1974) 7,798 (2010)
4 12,433 13,041 -609 42/52 15,077 (1975) 11,020 (2010)
3 14,591 15,638 -1,046 50/52 17,293 (1969) 14,041 (1968)
2 16,677 17,115 -438 40/52 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)
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 32/49 2,718 (1978) 143 (2012)
6 2,852 3,258 -407 35/51 4,899 (1978) 1,604 (2012)
5 5,715 5,905 -190 27/52 7,902 (1974) 4,762 (2010)
4 9,745 8,647 1,097 4/52 9,860 (1979) 6,939 (2010)
3 10,312 10,023 289 11/52 10,368 (1982) 9,486 (1981)
2 10,349 10,279 70 17/52 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 19/49 2,718 (1978) 143 (2012)
6 2,599 3,258 -659 41/51 4,899 (1978) 1,604 (2012)
5 6,495 5,905 590 11/52 7,902 (1974) 4,762 (2010)
4 9,265 8,647 617 19/52 9,860 (1979) 6,939 (2010)
3 10,101 10,023 78 30/52 10,368 (1982) 9,486 (1981)
2 10,320 10,279 41 22/52 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 44/49 2,718 (1978) 143 (2012)
6 2,023 3,258 -1,235 49/51 4,899 (1978) 1,604 (2012)
5 5,011 5,905 -894 50/52 7,902 (1974) 4,762 (2010)
4 8,270 8,647 -378 40/52 9,860 (1979) 6,939 (2010)
3 9,910 10,023 -113 42/52 10,368 (1982) 9,486 (1981)
2 10,245 10,279 -35 39/52 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)
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 24-49/49 84 (1997) 0 (tie)
6 0 55 -55 33-51/51 268 (1973) 0 (tie)
5 83 167 -83 37/52 527 (1983) 0 (2004)
4 1,316 730 587 5/52 1,602 (1975) 209 (1968)
3 2,705 1,918 787 6/52 3,209 (1969) 906 (1968)
2 3,363 3,105 258 20/52 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 24-49/49 84 (1997) 0 (tie)
6 0 55 -55 33-51/51 268 (1973) 0 (tie)
5 135 167 -32 27/52 527 (1983) 0 (2004)
4 631 730 -99 32/52 1,602 (1975) 209 (1968)
3 1,709 1,918 -209 34/52 3,209 (1969) 906 (1968)
2 2,673 3,105 -432 41/52 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 24-49/49 84 (1997) 0 (tie)
6 0 55 -55 33-51/51 268 (1973) 0 (tie)
5 32 167 -135 46/52 527 (1983) 0 (2004)
4 612 730 -117 34/52 1,602 (1975) 209 (1968)
3 989 1,918 -929 51/52 3,209 (1969) 906 (1968)
2 2,722 3,105 -382 39/52 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)
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 34/49 445 (1967) 0 (tie)
6 305 329 -24 32/51 856 (1985) 37 (2015)
5 987 1,033 -47 33/52 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 2/52 1,534 (2008) 1,293 (1968)
2 1,534 1,515 20 1-5/52 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 18/49 445 (1967) 0 (tie)
6 305 329 -23 31/51 856 (1985) 37 (2015)
5 953 1,033 -80 35/52 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 9-26/52 1,534 (2008) 1,293 (1968)
2 1,500 1,515 -15 32-42/52 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 32/49 445 (1967) 0 (tie)
6 157 329 -172 44/51 856 (1985) 37 (2015)
5 595 1,033 -438 52/52 1,486 (1985) 595 (2016)
4 1,360 1,423 -63 52/52 1,526 (2018) 1,360 (2016)
3 1,496 1,486 10 27/52 1,534 (2008) 1,293 (1968)
2 1,500 1,515 -15 32-42/52 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.