LAKE WILSON, MINNESOTA

Monthly Total Heating Degree Days

(214534)

Base Temperature = 65 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201302
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1973 0.00 z 0.00 z 0.00 z 0.00 z 277.50 0.00 z 8.00 2.50 200.00 339.50 939.50 1508.00 3275.00
1974 1640.50 1239.50 1026.00 494.50 329.50 65.50 2.00 45.00 229.50 431.00 951.00 1284.50 7738.50
1975 1533.50 1439.00 1276.00 807.50 188.00 56.50 14.50 10.50 246.00 414.00 916.00 1420.00 8321.50
1976 1629.00 1081.00 1004.50 416.00 252.50 20.17 a 3.50 9.50 176.90 a 674.50 1133.00 1541.50 7942.07
1977 1917.50 1127.50 916.00 385.00 56.00 15.50 7.50 54.50 128.50 520.50 1030.50 1549.50 7708.50
1978 1901.50 1559.00 1068.00 622.50 212.50 53.00 15.50 16.50 97.50 468.00 1026.50 1570.00 8610.50
1979 1996.50 1641.50 1212.50 715.00 356.00 49.00 3.00 43.50 122.00 535.50 1034.50 1195.57 a 8904.57
1980 0.00 z 1419.50 1150.62 a 513.00 201.50 14.00 3.00 15.00 114.00 579.00 835.00 1404.50 6249.12
1981 1377.00 1141.50 840.50 383.00 241.00 21.50 17.00 23.77 a 146.00 557.00 816.00 1524.50 7088.77
1982 1980.50 1336.50 1070.50 666.00 166.00 88.00 0.00 25.50 173.50 485.50 1072.00 1259.50 8323.50
1983 1436.50 1128.50 1063.00 742.50 318.00 68.00 2.50 0.00 164.50 500.00 977.50 1989.50 8390.50
1984 1573.50 1093.50 1322.00 619.50 278.50 19.00 7.50 7.50 270.50 470.50 884.00 1443.00 7989.00
1985 1651.50 1321.50 868.00 401.00 107.00 95.00 10.50 44.50 257.00 549.00 1307.00 1748.00 8360.00
1986 1391.50 1395.50 916.50 513.00 191.00 22.00 0.00 54.50 167.00 475.00 1121.50 1228.50 7476.00
1987 1281.50 904.00 868.50 365.00 94.50 18.50 5.00 51.00 130.00 632.50 809.00 1287.50 6447.00
1988 1763.50 1541.00 952.00 558.00 81.50 2.50 3.00 26.00 103.50 617.00 973.00 1356.50 7977.50
1989 1262.00 1568.50 1151.50 563.50 214.50 57.50 0.00 8.00 187.00 307.00 j 1091.50 1681.50 7785.50
1990 1134.50 1152.50 936.00 575.00 287.00 38.50 21.00 26.50 122.00 526.00 876.50 1561.50 7257.00
1991 1650.00 1042.00 934.50 481.00 207.00 14.00 17.00 14.50 231.50 617.50 1251.50 1290.50 7751.00
1992 1291.00 1127.00 968.50 768.50 249.00 89.00 84.00 112.50 234.50 569.00 1083.00 1498.00 8074.00
1993 1664.50 1463.00 1241.00 732.50 347.00 159.50 8.00 26.50 333.50 615.50 1131.00 1448.00 9170.00
1994 1911.15 a 1563.00 977.00 667.00 225.50 24.00 28.00 65.00 163.50 467.50 882.50 1336.50 8310.65
1995 1529.33 a 1267.50 1050.50 790.00 389.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5026.33
1996 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 20.00 19.50 259.50 527.50 1311.00 1706.50 3844.00
1997 1801.00 1346.50 1209.00 744.50 412.50 8.50 18.00 47.50 137.00 517.00 1141.00 1241.00 8623.50
1998 1498.50 963.50 1186.00 564.50 123.50 111.00 5.00 1.50 90.00 453.50 931.00 1259.00 7187.00
1999 1668.00 1062.50 1008.00 599.00 221.00 91.50 3.32 c 13.50 226.50 554.90 a 683.50 1267.00 7398.72
2000 1540.70 a 1083.00 812.50 630.00 a 203.05 a 83.00 29.50 12.92 a 204.00 464.00 1155.00 1852.00 8069.67
2001 1479.00 1570.59 a 1287.53 a 600.50 231.47 a 71.38 a 6.00 21.00 201.72 a 554.90 a 620.50 1241.50 7886.10
2002 1319.50 1129.00 1404.50 637.00 399.00 0.00 z 5.50 26.50 181.50 776.50 1032.50 1226.00 8137.50
2003 1548.00 1399.00 1104.50 582.00 303.00 73.00 3.58 e 16.50 221.50 492.00 1075.50 1297.50 8116.08
2004 1630.00 1391.00 910.50 548.50 327.50 109.50 28.50 99.00 108.50 485.50 821.50 1309.00 7769.00
2005 1580.47 b 1077.00 1088.50 447.00 302.00 7.00 10.50 19.00 88.50 502.72 a 870.50 1508.00 7501.18
2006 1174.00 1301.00 1050.00 460.00 258.00 31.50 3.00 16.00 261.50 628.00 913.50 1197.50 7294.00
2007 1478.00 1513.50 920.50 686.00 137.00 26.00 2.00 18.50 168.00 400.00 952.50 1538.00 7840.00
2008 1669.00 1526.50 1195.50 726.50 314.00 28.00 7.00 12.50 165.50 539.00 965.00 1680.41 b 8828.91
2009 1763.50 869.00 h 1095.50 673.50 227.00 k 111.50 28.50 54.50 108.00 768.50 754.00 1590.00 6947.50
2010 1759.50 1457.56 a 929.00 377.50 303.00 28.00 0.00 8.00 197.00 436.00 960.50 1639.00 8095.06
2011 1786.00 1415.62 b 1231.50 671.50 312.14 b 81.60 e 1.79 e 15.50 b 240.00 a 421.50 896.38 a 1232.77 a 8306.29
2012 1332.00 1172.50 623.62 a 461.50 160.17 a 32.78 c 0.00 40.00 202.50 622.14 b 914.00 1397.58 a 6958.78
2013 1524.50 1340.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2865.00
Period of Record Statistics
MEAN 1580.74 1297.41 1049.22 583.91 244.14 52.36 11.09 28.84 181.02 531.25 977.95 1443.83 7930.75
S.D. 220.22 198.01 162.99 127.10 89.49 37.92 14.91 24.82 59.06 93.70 154.07 195.56 597.51
SKEW -0.03 -0.08 -0.05 -0.11 -0.17 0.75 3.20 1.61 0.30 0.66 0.11 0.74 -0.22
MAX 1996.50 1641.50 1404.50 807.50 412.50 159.50 84.00 112.50 333.50 776.50 1311.00 1989.50 9170.00
MIN 1134.50 904.00 623.62 365.00 56.00 2.50 0.00 0.00 88.50 339.50 620.50 1195.57 6447.00
NO YRS 38 38 38 38 38 36 39 39 39 38 39 39 33