COOK 18 W, MINNESOTA

Monthly Total Heating Degree Days

(211776)

Base Temperature = 65 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 199509
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
1959 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 167.00 q 601.00 f 949.00 j 0.00 z 0.00
1960 1042.50 k 0.00 z 896.50 m 775.18 b 348.00 g 97.00 r 67.88 b 68.72 a 215.00 f 637.80 d 718.00 i 787.00 q 1549.57
1961 1882.96 d 928.50 i 1066.18 c 906.11 c 490.83 a 144.50 74.40 a 63.50 372.32 b 652.50 1143.21 b 1605.59 b 8402.11
1962 2024.50 1671.00 1186.50 868.00 395.50 189.50 152.50 108.00 385.00 627.00 998.50 1568.08 a 10174.08
1963 2088.50 1689.50 1147.53 b 730.50 492.00 144.50 31.00 139.00 230.50 355.00 1015.00 1891.50 9954.54
1964 1590.50 1516.50 1478.50 733.00 346.50 213.00 50.00 231.50 434.50 735.00 1127.00 1930.78 a 10386.78
1965 2035.00 1729.00 1615.50 807.00 410.50 246.50 148.50 180.50 582.93 a 679.50 1228.45 a 1446.00 11109.38
1966 2226.50 1635.50 1172.00 951.50 591.50 187.50 43.00 17.50 w 340.50 698.50 1267.00 1697.50 10811.00
1967 1791.50 1775.50 1258.50 827.50 600.50 155.00 96.50 158.50 296.00 739.50 1225.00 1636.00 10560.00
1968 1842.00 1684.00 1038.50 746.11 c 496.57 d 175.50 107.00 136.50 263.00 601.50 1100.50 1722.00 9913.19
1969 1871.00 1451.50 938.00 i 675.50 440.72 a 330.00 83.00 46.00 317.50 816.00 1139.50 1501.00 8671.72
1970 1977.00 1556.50 1440.50 812.50 495.50 101.00 28.00 89.00 309.50 643.00 1199.00 1764.00 10415.50
1971 2111.50 1517.00 1121.50 f 650.77 d 480.00 88.50 120.50 133.50 307.00 563.00 1192.50 1673.48 a 8837.75
1972 2101.00 1735.00 1374.50 864.50 293.00 147.00 141.50 124.00 427.00 764.00 1180.50 1876.00 11028.00
1973 1673.50 1445.50 949.50 774.00 456.00 139.00 68.50 48.00 375.00 530.50 1158.50 1658.50 9276.50
1974 1913.00 1529.50 1390.50 762.00 548.50 185.00 23.00 152.00 496.00 635.00 1095.00 1425.50 10155.00
1975 1735.50 1565.08 d 1431.50 927.50 298.50 171.50 48.57 a 127.50 413.00 566.02 b 1074.50 1733.00 10092.17
1976 1913.00 1300.50 1355.50 620.00 339.00 h 88.00 21.50 g 87.00 319.00 865.50 1335.00 1976.50 9860.00
1977 2112.50 1384.44 a 1028.00 619.50 163.27 a 148.50 42.62 c 221.00 338.50 651.00 1189.00 1783.00 9681.34
1978 1980.50 1649.50 1301.50 787.50 300.50 174.00 68.00 88.87 a 257.50 632.00 1262.00 1902.76 b 10404.63
1979 1686.50 h 1721.50 1311.82 a 875.50 556.50 198.50 49.00 151.00 288.00 808.21 c 1178.50 1459.00 8597.53
1980 1844.50 1223.00 g 1398.00 638.50 278.00 141.50 28.50 65.00 364.50 775.53 b 1071.50 1753.00 8358.54
1981 1714.00 1328.00 732.50 i 700.50 379.50 148.93 b 42.50 54.00 320.50 725.50 895.50 1641.50 7950.43
1982 2255.00 1594.00 1351.00 846.50 277.00 266.50 25.00 151.00 305.00 593.50 1258.00 1443.00 10365.50
1983 1628.00 1287.50 1116.00 767.50 493.79 c 155.00 25.00 10.50 291.50 664.00 1086.72 a 2046.50 9572.01
1984 1946.69 d 1189.50 1377.50 623.00 462.00 81.00 42.50 38.20 c 408.00 0.00 z 0.00 z 0.00 z 6168.38
1985 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 271.50 52.00 162.75 e 366.00 696.47 a 1417.50 1943.00 4909.22
1986 1657.50 1478.30 a 1076.00 598.50 312.00 154.00 35.50 136.00 348.50 405.50 n 1195.00 1427.50 8418.80
1987 1526.00 1083.50 1005.00 471.00 286.50 103.00 36.00 127.50 253.00 811.00 972.00 1386.50 8061.00
1988 0.00 z 1692.00 1260.67 a 715.00 207.50 0.00 z 21.00 67.68 a 286.00 786.00 1107.50 1635.50 7778.85
1989 1661.00 952.00 l 1405.00 813.50 365.50 154.00 10.50 81.00 289.00 616.00 1271.00 1936.50 8603.00
1990 1474.00 1417.50 1099.50 735.00 453.50 92.00 48.00 60.40 b 256.50 726.00 0.00 z 0.00 z 6362.40
1991 0.00 z 0.00 z 0.00 z 578.50 269.00 52.00 56.50 46.00 351.00 795.50 1295.50 1533.50 4977.50
1992 1536.00 1292.00 1155.50 799.50 304.00 213.00 166.00 147.00 286.50 716.50 1158.00 1641.50 9415.50
1993 1763.50 1449.00 1137.50 769.50 389.50 207.50 66.00 56.00 449.00 754.00 1234.00 1541.00 9816.50
1994 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 61.00 113.31 b 222.00 523.50 980.00 1341.50 3241.31
1995 1634.00 0.00 z 1120.50 893.50 378.50 68.50 50.50 22.00 336.50 0.00 z 0.00 z 0.00 z 4504.00
Period of Record Statistics
MEAN 1850.34 1513.15 1243.06 754.83 397.27 161.68 63.14 105.50 339.61 678.30 1157.84 1672.52 10021.20
S.D. 214.51 180.36 167.66 110.66 112.45 61.74 40.51 54.19 76.81 105.23 113.07 193.96 695.71
SKEW 0.07 -0.53 0.16 -0.40 -0.05 0.55 1.18 0.34 1.05 -0.71 -0.17 0.16 -1.01
MAX 2255.00 1775.50 1615.50 951.50 600.50 330.00 166.00 231.50 582.93 865.50 1417.50 2046.50 11109.38
MIN 1474.00 1083.50 949.50 471.00 163.27 52.00 10.50 10.50 222.00 355.00 895.50 1341.50 8061.00
NO YRS 30 28 29 34 32 33 35 35 35 33 32 32 18