WEBSTER, SOUTH DAKOTA

Monthly Total Heating Degree Days

(399004)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1893 1875.00 1689.00 1416.50 841.50 382.50 38.00 13.50 51.50 0.00 z 630.50 1120.00 1659.02 a 9717.02
1894 1819.50 1470.00 1040.50 579.00 274.50 27.00 4.00 11.50 182.00 548.00 1091.00 1173.00 8220.00
1895 1951.50 1602.50 1147.50 364.50 287.00 117.00 48.00 52.00 191.00 694.50 1159.50 1544.00 9159.00
1896 1667.50 1350.50 1528.00 692.00 291.00 115.50 q 0.00 z 83.50 f 315.50 739.00 1687.00 1485.00 9755.50
1897 1856.50 1422.00 1412.00 673.00 340.00 111.50 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5703.50
1898 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 0.00 z 0.00 z 0.00
1899 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 0.00 z 0.00 z 0.00
1900 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 0.00 z 0.00 z 0.00
1901 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 0.00 z 0.00 z 0.00
1902 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 0.00 z 0.00 z 0.00
1903 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 0.00 z 0.00 z 0.00
1904 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 0.00 z 0.00 z 0.00
1905 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 0.00 z 0.00 z 0.00
1906 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 0.00 z 0.00 z 0.00
1907 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 0.00 z 0.00 z 0.00
1908 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 0.00 z 0.00 z 0.00
1909 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 0.00 z 0.00 z 0.00
1910 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 0.00 z 0.00 z 0.00
1911 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 0.00 z 0.00 z 0.00
1912 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 0.00 z 0.00 z 0.00
1913 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 0.00 z 0.00 z 0.00
1914 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 0.00 z 0.00 z 0.00
1915 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 0.00 z 0.00 z 0.00
1916 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 0.00 z 0.00 z 0.00
1917 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 0.00 z 0.00 z 0.00
1918 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 0.00 z 0.00 z 0.00
1919 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 0.00 z 0.00 z 0.00
1920 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 0.00 z 0.00 z 0.00
1921 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 0.00 z 0.00 z 0.00
1922 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 0.00 z 0.00 z 0.00
1923 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 0.00 z 0.00 z 0.00
1924 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 0.00 z 0.00 z 0.00
1925 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 0.00 z 0.00 z 0.00
1926 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 0.00 z 0.00 z 0.00
1927 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 0.00 z 0.00 z 0.00
1928 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 0.00 z 0.00 z 0.00
1929 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 0.00 z 0.00 z 0.00
1930 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 0.00 z 0.00 z 0.00
1931 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 0.00 z 0.00 z 0.00
1932 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 0.00 z 0.00 z 0.00
1933 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 0.00 z 0.00 z 0.00
1934 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 0.00 z 0.00 z 0.00
1935 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 0.00 z 0.00 z 0.00
1936 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 0.00 z 0.00 z 0.00
1937 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 0.00 z 0.00 z 0.00
1938 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 0.00 z 0.00 z 0.00
1939 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 0.00 z 0.00 z 0.00
1940 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 0.00 z 0.00 z 0.00
1941 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 0.00 z 0.00 z 0.00
1942 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 0.00 z 0.00 z 0.00
1943 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 0.00 z 0.00 z 0.00
1944 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 0.00 z 0.00 z 0.00
1945 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 0.00 z 0.00 z 0.00
1946 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 0.00 z 0.00 z 0.00
1947 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 0.00 z 0.00 z 0.00
1948 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 0.00 z 0.00 z 0.00
1949 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 0.00 z 0.00 z 0.00
1950 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 0.00 z 0.00 z 0.00
1951 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 0.00 z 0.00 z 0.00
1952 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 675.00 991.00 1421.00 3087.00
1953 1586.00 1318.00 1091.00 796.50 354.50 82.00 21.50 11.00 206.00 359.08 a 901.00 1466.00 8192.58
1954 1908.50 965.50 1262.50 675.50 466.00 111.50 11.00 17.50 240.00 684.00 855.00 1318.50 8515.50
1955 1578.50 1541.50 1265.50 412.50 161.00 104.50 1.03 a 12.50 229.66 a 503.50 1362.50 1738.00 8910.69
1956 1695.00 1563.00 1266.50 838.50 317.00 19.14 a 17.00 36.50 254.00 384.00 1081.00 1331.50 8803.14
1957 1871.50 1346.00 1152.50 666.50 365.50 111.50 0.00 31.50 255.00 594.50 1035.00 1254.50 8684.00
1958 1396.50 1432.50 1123.50 623.50 191.50 176.50 37.00 26.00 159.00 492.00 1044.50 1625.00 8327.50
1959 1813.00 1542.00 1020.50 630.00 337.50 48.00 8.02 b 0.00 k 218.50 772.50 1276.11 c 1180.58 a 8846.71
1960 1663.50 1538.50 1548.00 666.00 277.00 97.50 13.50 8.50 218.00 533.50 1003.00 1564.50 9131.50
1961 1671.50 1235.00 933.50 799.50 398.87 a 55.50 12.50 2.00 299.50 514.00 1017.00 1638.00 8576.87
1962 1759.50 1482.50 1254.50 665.50 254.50 76.50 31.00 8.00 249.50 471.50 876.50 1393.00 8522.50
1963 1893.50 1353.50 915.00 563.50 311.50 34.50 2.50 27.50 112.00 258.00 884.00 1711.50 8067.00
1964 1448.00 1237.00 1307.50 582.50 216.00 62.50 3.00 68.72 a 263.00 507.50 1076.50 1727.00 8499.22
1965 1836.00 1469.00 1478.50 686.00 249.50 61.50 4.50 32.03 a 495.00 458.50 1020.50 1244.50 9035.53
1966 1991.00 1492.50 957.00 812.50 363.00 82.50 0.00 84.50 217.50 571.50 1159.50 1445.00 9176.50
1967 1531.50 1520.00 1020.50 647.07 a 435.50 79.00 44.00 44.00 158.00 599.00 1057.00 1473.00 8608.57
1968 1644.00 1479.00 a 844.50 614.00 400.00 78.00 32.00 42.50 188.00 561.00 1029.00 1633.50 8545.50
1969 1904.00 1334.50 1434.50 555.50 267.00 173.00 13.50 2.50 129.00 746.50 977.50 1425.45 c 8962.95
1970 1907.50 1350.74 a 1309.50 708.00 256.50 36.00 5.34 b 10.33 a 248.04 b 564.95 b 1109.46 b 1618.09 c 9124.46
1971 1918.00 1427.50 1120.50 570.00 349.00 35.36 b 46.50 35.81 b 211.50 g 522.00 1052.00 1602.00 8678.67
1972 1831.50 1647.00 1201.00 715.50 260.00 71.50 24.00 46.00 238.00 687.50 1100.00 1728.00 9550.00
1973 1530.50 1227.13 e 860.00 657.00 286.00 43.50 12.50 4.00 258.50 420.57 a 1083.00 1634.45 b 8017.15
1974 1737.50 1377.00 1157.00 620.50 382.50 89.50 3.50 52.00 262.00 467.00 1022.50 1368.00 8539.00
1975 1604.00 1534.00 1414.12 a 901.50 258.00 98.50 17.50 27.00 295.00 533.50 1024.50 1499.50 9207.12
1976 1701.50 1165.00 1101.50 481.50 288.00 32.50 7.50 5.88 b 198.21 b 689.15 e 1180.00 1624.50 8475.25
1977 2075.00 1244.00 1006.47 a 450.00 71.62 b 44.00 4.00 54.50 218.50 602.50 1163.50 1694.00 8628.09
1978 2061.00 1654.00 1215.00 658.00 237.00 66.50 12.50 18.00 162.00 587.50 1228.00 1683.50 9583.00
1979 2078.03 a 1754.00 1307.00 818.00 452.00 84.50 16.00 54.00 155.00 637.00 1119.50 1217.00 9692.03
1980 1626.00 1469.00 1262.00 491.50 194.00 31.00 0.50 20.00 193.50 612.50 866.50 1415.00 8181.50
1981 1460.50 1173.00 835.93 b 421.50 271.00 42.50 17.50 9.50 151.50 582.80 a 858.00 1588.00 7411.73
1982 2085.50 1428.50 1165.50 673.00 223.50 136.50 0.00 32.50 220.00 589.50 1138.50 0.00 z 7693.00
1983 1371.00 1084.00 1057.00 743.00 339.50 73.50 6.00 0.00 213.00 567.50 1037.00 2034.00 8525.50
1984 1597.50 1127.50 1294.50 624.50 310.00 31.50 8.50 5.17 a 304.50 548.00 969.50 1614.50 8435.67
1985 1741.50 1421.00 925.50 456.50 136.00 121.00 5.50 51.00 306.50 596.50 1409.50 1814.02 a 8984.52
1986 1461.50 1495.00 985.00 594.00 237.50 24.00 0.00 60.50 252.50 533.50 1177.00 1267.00 8087.50
1987 1350.50 960.00 1000.50 382.00 125.00 21.00 7.50 63.50 159.50 690.50 900.00 1303.50 6963.50
1988 1722.00 1498.00 1024.50 544.50 121.00 4.50 1.50 37.00 205.50 666.50 1082.00 1420.00 8327.00
1989 1455.00 1683.00 1260.50 644.00 249.00 104.50 0.00 15.50 222.00 555.00 1133.00 1746.00 9067.50
1990 1191.00 1175.50 910.50 594.00 274.00 47.50 3.00 10.50 162.00 599.50 960.50 1633.00 7561.00
1991 1718.50 1117.00 1024.50 545.00 236.00 24.50 13.00 14.00 261.50 675.50 1276.00 1309.50 8215.00
1992 0.00 z 1130.00 967.00 713.50 239.00 119.00 85.50 100.00 231.50 605.50 1159.00 1654.00 7004.00
1993 1690.50 1517.00 1194.50 711.50 303.50 165.50 39.50 40.50 356.50 630.50 1177.24 a 1506.00 9332.74
1994 2032.00 1631.50 1066.00 662.50 197.50 37.50 29.50 71.00 174.50 504.00 942.50 1364.50 8713.00
1995 1611.50 1380.00 1154.50 826.00 367.50 65.50 18.00 2.50 0.00 z 658.50 1231.50 1505.50 8821.00
1996 1896.50 1424.50 1377.50 755.00 395.50 59.50 17.00 0.00 249.50 605.50 1390.00 1792.50 9963.00
1997 1894.00 1381.00 1279.50 826.00 381.00 10.50 39.00 45.50 123.50 511.50 1189.00 1278.50 8959.00
1998 1594.00 1038.00 1273.00 509.50 175.00 127.50 0.00 1.50 85.50 509.50 981.00 1326.00 7620.50
1999 1715.50 1093.50 982.50 587.00 250.00 65.00 5.00 14.50 254.50 594.00 748.50 1236.50 7546.50
2000 1587.00 1131.52 a 849.50 654.00 229.40 a 99.50 31.50 14.00 185.50 474.00 1240.00 1911.00 8406.92
2001 1508.00 1653.00 1280.00 648.50 230.00 86.00 11.50 4.50 181.00 583.50 696.00 1332.50 8214.50
2002 1404.00 1075.00 1393.00 692.00 440.50 37.50 4.00 20.50 164.50 857.00 1046.50 1330.50 8465.00
2003 1630.50 1492.00 1167.50 568.50 331.00 80.00 0.00 12.50 245.00 457.50 1170.50 1326.50 8481.50
2004 1770.00 1350.50 966.00 566.00 364.50 133.00 37.00 71.00 144.00 536.00 873.00 1359.00 8170.00
2005 1656.50 1183.00 1087.00 503.50 352.00 35.50 7.50 18.00 97.00 513.50 965.00 1493.50 7912.00
2006 1236.50 1392.00 1088.00 457.50 266.00 39.50 0.00 1.00 289.50 701.00 1001.50 1233.50 7706.00
2007 1601.00 1560.46 b 984.00 726.50 187.50 40.00 2.50 33.00 187.00 462.50 1023.50 1596.50 8404.46
2008 1716.50 1521.46 a 1198.00 746.50 344.50 90.00 3.50 5.50 167.50 584.50 1031.50 1750.00 9159.46
2009 1830.00 1418.00 1205.50 707.50 296.50 128.50 30.50 45.00 91.00 808.00 755.50 1689.50 9005.50
2010 1720.50 1487.00 949.50 412.50 313.00 34.50 0.00 5.50 203.00 468.50 1024.00 1648.00 8266.00
2011 1850.91 b 1502.67 a 1343.00 729.00 345.13 a 65.00 0.00 c 0.00 199.50 447.00 946.50 1237.00 8665.71
2012 1371.00 1214.50 649.00 509.50 193.00 28.39 b 0.00 b 19.00 178.00 639.00 1008.00 1478.18 a 7287.58
2013 1651.55 b 1391.50 1410.50 a 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 4453.55
Period of Record Statistics
MEAN 1700.84 1384.30 1147.32 633.71 287.69 70.59 14.15 27.77 214.35 575.04 1064.53 1504.91 8540.25
S.D. 207.08 188.05 190.36 123.48 84.46 40.79 16.31 23.76 68.22 106.33 163.95 194.62 609.66
SKEW -0.21 -0.38 -0.03 -0.16 -0.13 0.69 1.83 0.87 1.05 -0.01 0.77 0.25 -0.18
MAX 2085.50 1754.00 1548.00 901.50 466.00 176.50 85.50 100.00 495.00 857.00 1687.00 2034.00 9963.00
MIN 1191.00 960.00 649.00 364.50 71.62 4.50 0.00 0.00 85.50 258.00 696.00 1173.00 6963.50
NO YRS 65 66 66 65 65 63 63 62 61 65 65 64 57