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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
2015 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
5 17,002 19,019 -2,017 44/49 23,093 (1974) 15,377 (2010)
4 30,090 30,215 -125 28/49 34,606 (1979) 28,001 (1968)
3 38,460 40,130 -1,670 43/49 44,282 (1985) 37,122 (1990)
2 44,988 45,594 -606 36/49 51,320 (1978) 42,667 (1995)
1 47,325 46,866 459 22/49 50,275 (2008) 41,890 (1981)
 
2014 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 43,648 43,981 -333 30/49 46,846 (2012) 37,441 (1980)
11 36,569 33,958 2,610 5/49 38,597 (1993) 28,279 (1979)
10 22,876 17,544 5,332 3/47 25,724 (1976) 12,781 (1988)
9 7,241 5,235 2,007 3/46 7,762 (1972) 3,838 (1990)
8 2,588 2,797 -209 33/46 5,308 (1967) 2,089 (1968)
7 2,873 3,665 -792 40/45 8,210 (1967) 2,325 (2012)
6 6,798 9,418 -2,619 42/47 14,972 (1978) 4,922 (2012)
5 17,011 19,019 -2,008 43/49 23,093 (1974) 15,377 (2010)
4 28,555 30,215 -1,660 44/49 34,606 (1979) 28,001 (1968)
3 38,413 40,130 -1,716 44/49 44,282 (1985) 37,122 (1990)
2 46,806 45,594 1,212 17/49 51,320 (1978) 42,667 (1995)
1 46,033 46,866 -832 40/49 50,275 (2008) 41,890 (1981)
 
2013 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 45,274 43,981 1,293 8/49 46,846 (2012) 37,441 (1980)
11 34,765 33,958 806 17/49 38,597 (1993) 28,279 (1979)
10 21,009 17,544 3,464 8/47 25,724 (1976) 12,781 (1988)
9 6,492 5,235 1,257 7/46 7,762 (1972) 3,838 (1990)
8 2,877 2,797 80 21/46 5,308 (1967) 2,089 (1968)
7 3,018 3,665 -648 37/45 8,210 (1967) 2,325 (2012)
6 6,014 9,418 -3,404 46/47 14,972 (1978) 4,922 (2012)
5 16,282 19,019 -2,737 47/49 23,093 (1974) 15,377 (2010)
4 32,590 30,215 2,374 9/49 34,606 (1979) 28,001 (1968)
3 41,677 40,130 1,548 14/49 44,282 (1985) 37,122 (1990)
2 46,998 45,594 1,404 15/49 51,320 (1978) 42,667 (1995)
1 49,215 46,866 2,350 5/49 50,275 (2008) 41,890 (1981)
 
2012 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 46,846 43,981 2,865 1/49 46,846 (2012) 37,441 (1980)
11 36,535 33,958 2,577 6/49 38,597 (1993) 28,279 (1979)
10 20,138 17,544 2,593 10/47 25,724 (1976) 12,781 (1988)
9 4,313 5,235 -922 39/46 7,762 (1972) 3,838 (1990)
8 2,315 2,797 -481 43/46 5,308 (1967) 2,089 (1968)
7 2,325 3,665 -1,340 45/45 8,210 (1967) 2,325 (2012)
6 4,922 9,418 -4,496 47/47 14,972 (1978) 4,922 (2012)
5 16,136 19,019 -2,883 48/49 23,093 (1974) 15,377 (2010)
4 28,268 30,215 -1,948 47/49 34,606 (1979) 28,001 (1968)
3 40,741 40,130 611 23/49 44,282 (1985) 37,122 (1990)
2 48,331 45,594 2,737 7/49 51,320 (1978) 42,667 (1995)
1 47,470 46,866 604 19/49 50,275 (2008) 41,890 (1981)

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Eurasia
2015 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
5 8,933 9,723 -790 38/49 12,511 (1976) 7,262 (2013)
4 17,475 17,174 301 21/49 20,687 (1981) 14,767 (2014)
3 23,399 24,492 -1,093 41/49 27,950 (1981) 21,183 (2002)
2 27,594 28,479 -885 41/49 32,285 (1978) 25,913 (2002)
1 29,957 29,322 634 18/49 32,265 (2008) 25,823 (1981)
 
2014 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 27,219 27,135 84 23/49 29,699 (2002) 22,882 (1980)
11 21,181 20,474 708 15/49 24,132 (1993) 16,796 (1979)
10 14,140 9,497 4,642 2/47 17,218 (1976) 5,578 (1988)
9 2,342 1,526 816 8/46 3,409 (1977) 540 (1984)
8 194 375 -181 35/46 1,859 (1967) 82 (1968)
7 186 765 -580 41/45 3,551 (1967) 141 (2012)
6 2,295 3,609 -1,314 40/47 7,129 (1978) 1,068 (2012)
5 8,264 9,723 -1,459 44/49 12,511 (1976) 7,262 (2013)
4 14,767 17,174 -2,407 49/49 20,687 (1981) 14,767 (2014)
3 22,214 24,492 -2,279 46/49 27,950 (1981) 21,183 (2002)
2 28,895 28,479 417 21/49 32,285 (1978) 25,913 (2002)
1 28,662 29,322 -660 39/49 32,265 (2008) 25,823 (1981)
 
2013 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 27,364 27,135 229 20/49 29,699 (2002) 22,882 (1980)
11 20,002 20,474 -472 31/48 24,132 (1993) 16,796 (1979)
10 12,853 9,497 3,355 5/47 17,218 (1976) 5,578 (1988)
9 2,363 1,526 837 7/46 3,409 (1977) 540 (1984)
8 156 375 -219 38/46 1,859 (1967) 82 (1968)
7 186 765 -579 40/45 3,551 (1967) 141 (2012)
6 1,508 3,609 -2,101 45/47 7,129 (1978) 1,068 (2012)
5 7,262 9,723 -2,461 49/49 12,511 (1976) 7,262 (2013)
4 17,777 17,174 603 18/49 20,687 (1981) 14,767 (2014)
3 25,052 24,492 560 21/49 27,950 (1981) 21,183 (2002)
2 29,334 28,479 855 17/49 32,285 (1978) 25,913 (2002)
1 31,221 29,322 1,898 6/49 32,265 (2008) 25,823 (1981)
 
2012 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 29,510 27,135 2,375 2/49 29,699 (2002) 22,882 (1980)
11 22,510 20,474 2,036 7/49 24,132 (1993) 16,796 (1979)
10 11,362 9,497 1,864 13/47 17,218 (1976) 5,578 (1988)
9 1,075 1,526 -451 34/46 3,409 (1977) 540 (1984)
8 106 375 -269 44/46 1,859 (1967) 82 (1968)
7 141 765 -624 45/45 3,551 (1967) 141 (2012)
6 1,068 3,609 -2,541 47/47 7,129 (1978) 1,068 (2012)
5 7,547 9,723 -2,176 48/49 12,511 (1976) 7,262 (2013)
4 15,995 17,174 -1,179 42/49 20,687 (1981) 14,767 (2014)
3 26,068 24,492 1,576 10/49 27,950 (1981) 20,183 (2002)
2 31,579 28,479 3,101 3/49 32,285 (1978) 25,913 (2002)
1 30,762 29,322 1,440 9/49 32,265 (2008) 25,823 (1981)

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North America
2015 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
5 8,070 9,296 -1,226 47/49 11,478 (1974) 7,798 (2010)
4 12,615 13,041 -426 35/49 15,077 (1975) 11,020 (2010)
3 15,061 15,638 -576 40/49 17,293 (1969) 14,041 (1968)
2 17,394 17,115 279 20/49 19,035 (1978) 15,831 (1992)
1 17,368 17,543 -175 23/49 18,816 (1985) 16,067 (1981)
 
2014 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 16,429 16,846 -417 25/49 18,273 (2009) 14,559 (1980)
11 15,387 13,485 1,903 1/49 15,387 (2014) 11,483 (1979)
10 8,737 8,047 690 8/47 9,763 (2002) 6,364 (1979)
9 4,899 3,709 1,191 1/46 4,899 (2014) 2,892 (1968)
8 2,393 2,422 28 23/46 3,855 (1978) 2,007 (1968)
7 2,688 2,900 -213 32/45 5,073 (1978) 2,184 (2012)
6 4,503 5,809 -1,305 45/47 7,843 (1978) 3,854 (2012)
5 8,747 9,296 -549 38/49 11,478 (1974) 7,798 (2010)
4 13,788 13,041 747 14/49 15,077 (1975) 11,020 (2010)
3 16,200 15,638 562 16/49 17,293 (1969) 14,041 (1968)
2 17,911 17,115 795 9/49 19,035 (1978) 15,831 (1992)
1 17,371 17,543 -172 22/49 18,816 (1985) 16,067 (1981)
 
2013 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 17,910 16,846 1,064 7/49 18,273 (2009) 14,559 (1980)
11 14,762 13,485 1,278 4/49 15,387 (2014) 11,483 (1979)
10 8,156 8,047 109 21/47 9,763 (2002) 6,364 (1979)
9 4,129 3,709 421 9/46 4,899 (2014) 2,892 (1968)
8 2,721 2,422 299 11/46 3,855 (1978) 2,007 (1968)
7 2,832 2,900 -68 26/45 5,073 (1978) 2,184 (2012)
6 4,506 5,809 -1,303 44/47 7,843 (1978) 3,854 (2012)
5 9,020 9,296 -276 29/49 11,478 (1974) 7,798 (2010)
4 14,813 13,041 1,771 3/49 15,077 (1975) 11,020 (2010)
3 16,625 15,638 988 6/49 17,293 (1969) 14,041 (1968)
2 17,664 17,115 548 16/49 19,035 (1978) 15,831 (1992)
1 17,995 17,543 452 13/49 18,816 (1985) 16,067 (1981)
 
2012 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 17,336 16,846 490 13/49 18,273 (2009) 14,559 (1980)
11 14,025 13,485 541 13/49 15,387 (2014) 11,483 (1979)
10 8,776 8,047 729 7/47 9,763 (2002) 6,364 (1979)
9 3,238 3,709 -471 42/46 4,899 (2014) 2,892 (1968)
8 2,210 2,422 -212 38/46 3,855 (1978) 2,007 (1968)
7 2,184 2,900 -716 45/45 5,073 (1978) 2,184 (2012)
6 3,854 5,809 -1,955 47/47 7,843 (1978) 3,854 (2012)
5 8,589 9,296 -707 41/49 11,478 (1974) 7,798 (2010)
4 12,273 13,041 -769 42/49 15,077 (1975) 11,020 (2010)
3 14,673 15,638 -964 46/49 17,293 (1969) 14,041 (1968)
2 16,752 17,115 -363 34/49 19,035 (1978) 15,831 (1992)
1 16,708 17,543 -835 47/49 18,816 (1985) 16,067 (1981)

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Canada
2015 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
5 5,200 5,905 -705 46/49 7,902 (1974) 4,762 (2010)
4 8,593 8,647 -55 34/49 9,860 (1979) 6,939 (2010)
3 10,093 10,023 70 29/49 10,368 (1982) 9,486 (1981)
2 10,351 10,279 72 15/49 10,424 (2013) 10,015 (1981)
1 10,324 10,294 30 20/49 10,424 (1982) 10,060 (1981)
 
2014 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 10,206 10,096 110 16/49 10,388 (1970) 9,691 (1980)
11 9,610 8,663 947 2/49 9,672 (2013) 7,254 (1987)
10 5,362 4,774 588 9/47 6,492 (2002) 3,488 (1987)
9 2,468 1,395 1,073 2/46 2,490 (1972) 647 (1968)
8 315 375 -60 29/46 1,569 (1978) 132 (2009)
7 637 772 -134 30/45 2,718 (1978) 143 (2012)
6 2,130 3,258 -1,129 45/47 4,899 (1978) 1,604 (2012)
5 5,557 5,905 -104 23/49 7,902 (1974) 4,762 (2010)
4 9,523 8,647 876 10/49 9,860 (1979) 6,939 (2010)
3 10,316 10,023 293 9/49 10,368 (1982) 9,486 (1981)
2 10,360 10,279 80 11-14/49 10,424 (2013) 10,015 (1981)
1 10,346 10,294 52 12/49 10,424 (1982) 10,060 (1981)
 
2013 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 10,345 10,096 249 4/49 10,388 (1970) 9,691 (1980)
11 9,672 8,663 1,009 1/49 9,672 (2013) 7,254 (1987)
10 4,877 4,774 103 21/47 6,492 (2002) 3,488 (1987)
9 1,742 1,395 347 9/46 2,490 (1972) 647 (1968)
8 631 375 255 12/46 1,569 (1978) 132 (2009)
7 669 772 -103 28/45 2,718 (1978) 143 (2012)
6 2,117 3,258 -1,142 46/47 4,899 (1978) 1,604 (2012)
5 5,557 5,905 -348 35/49 7,902 (1974) 4,762 (2010)
4 9,809 8,647 1,162 2/49 9,860 (1979) 6,939 (2010)
3 10,354 10,023 330 2/49 10,368 (1982) 9,486 (1981)
2 10,424 10,279 145 1/49 10,424 (2013) 10,015 (1981)
1 10,390 10,294 96 6/49 10,424 (1982) 10,060 (1981)
 
2012 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 10,234 10,096 138 13/49 10,388 (1970) 9,691 (1980)
11 9,270 8,663 607 12/49 9,672 (2013) 7,254 (1987)
10 5,638 4,774 864 5/47 6,492 (2002) 3,488 (1987)
9 986 1,395 -409 42/46 2,490 (1972) 647 (1968)
8 244 375 -131 37/46 1,569 (1978) 132 (2009)
7 143 772 -629 45/45 2,718 (1978) 143 (2012)
6 1,604 3,258 -1,654 47/47 4,899 (1978) 1,604 (2012)
5 5,220 5,905 -685 45/49 7,902 (1974) 4,762 (2010)
4 8,259 8,647 -388 38/49 9,860 (1979) 6,939 (2010)
3 9,674 10,023 -350 43/49 10,368 (1982) 9,486 (1981)
2 10,287 10,279 7 30/49 10,424 (2013) 10,015 (1981)
1 10,297 10,294 3 30/49 10,424 (1982) 10,060 (1981)

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Contiguous United States
2015 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
5 101 167 -66 32/49 527 (1983) 0 (2004)
4 417 730 -313 41/49 1,602 (1975) 209 (1968)
3 1,285 1,918 -633 45/49 3,209 (1969) 906 (1968)
2 3,340 3,105 235 20/49 4,910 (1978) 1,972 (1992)
1 3,340 3,535 -195 32/49 4,678 (1985) 2,292 (1981)
 
2014 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 2,541 3,061 -520 36/49 4,246 (2009) 1,242 (1980)
11 2,268 1,231 1,037 1/49 2,268 (2014) 174 (1999)
10 112 186 -74 23/47 548 (2009) 0 (tie)
9 0 8 -8 17-46/46 54 (1978) 0 (tie)
8 0 6 -6 12-46/46 65 (1983) 0 (tie)
7 0 17 -17 24-45/45 84 (1997) 0 (tie)
6 0 55 -55 33-47/47 268 (1973) 0 (tie)
5 129 167 -38 27/49 527 (1983) 0 (2004)
4 663 730 -67 26/49 1,602 (1975) 209 (1968)
3 2,188 1,918 270 22/49 3,209 (1969) 906 (1968)
2 3,836 3,105 731 9/49 4,910 (1978) 1,972 (1992)
1 3,323 3,535 -212 34/49 4,678 (1985) 2,292 (1981)
 
2013 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 3,882 3,061 821 8/49 4,246 (2009) 1,242 (1980)
11 1,531 1,231 300 13/49 2,268 (2014) 174 (1999)
10 343 186 156 5/47 548 (2009) 0 (tie)
9 0 8 -8 17-46/46 54 (1978) 0 (tie)
8 0 6 -6 12-46/46 65 (1983) 0 (tie)
7 0 17 -17 24-45/45 84 (1997) 0 (tie)
6 0 55 -55 33-47/47 268 (1973) 0 (tie)
5 18 167 -149 48/49 527 (1983) 0 (2004)
4 1,283 730 553 5/49 1,602 (1975) 209 (1968)
3 2,544 1,918 626 10/49 3,209 (1969) 906 (1968)
2 3,487 3,105 382 18/49 4,910 (1978) 1,972 (1992)
1 3,834 3,535 299 15/49 4,678 (1985) 2,292 (1981)
 
2012 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 3,340 3,061 279 15/49 4,246 (2009) 1,242 (1980)
11 1,058 1,231 -174 27/49 2,268 (2014) 174 (1999)
10 58 186 -129 33/47 548 (2009) 0 (tie)
9 0 8 -8 17-46/46 54 (1978) 0 (tie)
8 0 6 -6 12-46/46 65 (1983) 0 (tie)
7 0 17 -17 24-45/45 84 (1997) 0 (tie)
6 0 55 -55 33-47/47 268 (1973) 0 (tie)
5 35 167 -131 41/49 527 (1983) 0 (2004)
4 302 730 -428 47/49 1,602 (1975) 209 (1968)
3 1,279 1,918 -639 46/49 3,209 (1969) 906 (1968)
2 2,745 3,105 -361 35/49 4,910 (1978) 1,972 (1992)
1 2,694 3,535 -841 47/49 4,678 (1985) 2,292 (1981)

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Alaska
2015 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
5 584 1,000 -417 49/49 1,449 (1985) 584 (2015)
4 1,381 1,423 -42 43/49 1,462 (tie) 1,350 (1993)
3 1,437 1,449 -11 36/49 1,462 (tie) 1,277 (1968)
2 1,449 1,458 -9 39/49 1,462 (tie) 1,360 (1968)
1 1,462 1,456 6 1-34/49 1,462 (tie) 1,386 (1986)
 
2014 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 1,459 1,444 15 26/49 1,462 (tie) 1,293 (1967)
11 1,309 1,377 -68 45/49 1,462 (tie) 922 (1979)
10 1,087 912 176 9/47 1,239 (1971) 396 (1979)
9 282 198 83 10/46 401 (1992) 35 (1974)
8 62 56 6 22/46 551 (1967) 0 (tie)
7 81 83 -1 25/45 479 (1967) 0 (2008)
6 224 310 -86 37/47 821 (1985) 117 (2009)
5 653 1,000 -348 48/49 1,449 (1985) 584 (2015)
4 1,380 1,423 -42 44/49 1,462 (tie) 1,350 (1993)
3 1,462 1,449 13 1-25/49 1,462 (tie) 1,277 (1968)
2 1,462 1,458 4 1-34/49 1,462 (tie) 1,360 (1968)
1 1,462 1,456 6 1-34/49 1,462 (tie) 1,386 (1986)
 
2013 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 1,462 1,444 18 1-20/49 1,462 (tie) 1,293 (1967)
11 1,348 1,377 -29 37/49 1,462 (tie) 922 (1979)
10 774 912 -137 39/47 1,239 (1971) 396 (1979)
9 220 198 22 15/46 401 (1992) 35 (1974)
8 12 56 -43 39/46 551 (1967) 0 (tie)
7 77 83 -5 26/45 479 (1967) 0 (2008)
6 257 310 -53 35/47 821 (1985) 117 (2009)
5 1,224 1,000 224 12/49 1,449 (1985) 584 (2015)
4 1,462 1,423 39 1-12/49 1,462 (tie) 1,350 (1993)
3 1,462 1,449 13 1-25/49 1,462 (tie) 1,277 (1968)
2 1,462 1,458 4 1-34/49 1,462 (tie) 1,360 (1968)
1 1,462 1,456 6 1-34/49 1,462 (tie) 1,386 (1986)
 
2012 1981-2010 Normal Period of Record from 11-1966
Month Area Mean Departure Rank Maximum (Year) Minimum (Year)
12 1,462 1,444 18 1-20/49 1,462 (tie) 1,293 (1967)
11 1,462 1,377 85 1-3/49 1,462 (tie) 922 (1979)
10 912 912 1 26/47 1,239 (1971) 396 (1979)
9 150 198 -48 31/46 401 (1992) 35 (1974)
8 20 56 -36 36/46 551 (1967) 0 (tie)
7 63 83 -19 31/45 479 (1967) 0 (2008)
6 159 310 -152 42/47 821 (1985) 117 (2009)
5 1,078 1,000 77 21/49 1,449 (1985) 584 (2015)
4 1,453 1,423 30 17/49 1,462 (tie) 1,350 (1993)
3 1,462 1,449 13 1-25/49 1,462 (tie) 1,277 (1968)
2 1,462 1,458 4 1-34/49 1,462 (tie) 1,360 (1968)
1 1,462 1,456 6 1-34/49 1,462 (tie) 1,386 (1986)

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