LEOLA, SOUTH DAKOTA

Monthly Total Heating Degree Days

(394891)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200706
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
1899 0.00 z 0.00 z 0.00 z 0.00 z 458.59 b 87.50 n 0.00 z 0.00 z 317.88 d 626.64 c 829.62 d 1552.58 a 3785.31
1900 1454.23 c 1657.92 b 1359.87 a 503.28 a 210.44 e 57.93 a 14.00 6.00 270.00 478.36 b 1201.03 a 1324.70 c 8537.76
1901 1587.20 a 1493.00 1095.33 a 635.69 a 260.29 b 150.58 d 3.21 b 6.72 a 327.86 b 440.20 a 1105.18 b 1679.88 b 8785.13
1902 1582.03 a 1465.00 1151.28 b 721.61 b 282.21 b 196.55 a 10.33 a 57.87 a 683.04 b 608.00 k 895.50 h 1723.50 7873.41
1903 1761.83 a 1671.50 800.00 k 617.59 a 262.47 a 78.00 25.00 53.00 336.00 473.50 1087.50 1543.00 7909.39
1904 1808.50 1841.00 1235.00 795.00 267.00 139.00 56.00 39.50 267.00 e 446.50 690.50 1423.00 9008.00
1905 1819.50 1566.50 899.50 680.00 422.50 137.50 50.50 12.50 175.00 905.00 935.50 1496.50 9100.50
1906 1614.50 1451.50 1376.00 519.31 a 369.00 114.50 20.50 59.50 158.50 588.50 1138.00 1631.50 9041.31
1907 2034.50 1376.00 1133.50 846.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5390.00
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 0.00 z 0.00 z 0.00 z 0.00
1953 0.00 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
1954 0.00 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
1955 0.00 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
1956 0.00 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
1957 0.00 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
1958 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 29.50 h 143.33 c 519.77 a 988.00 1543.00 3194.10
1959 1778.37 a 1526.00 980.50 636.50 354.50 53.50 4.50 10.00 227.59 a 709.50 1273.00 1195.00 8748.95
1960 1631.00 1514.50 1490.00 650.50 292.50 97.50 17.50 13.00 219.00 527.50 1018.00 1533.50 9004.50
1961 1568.50 1272.00 916.05 a 773.00 415.50 40.00 9.00 2.50 310.00 500.00 1033.50 1648.00 8488.05
1962 1696.00 1472.00 1308.00 633.50 232.00 70.00 31.00 17.50 260.00 471.00 891.00 1373.50 8455.50
1963 1857.50 1312.50 862.50 604.50 323.50 21.50 0.00 31.00 140.00 314.50 880.50 1654.00 8002.00
1964 1420.00 1173.50 1315.00 579.00 228.50 77.00 3.50 0.00 z 269.00 543.50 1107.50 1796.00 8512.50
1965 1896.00 1434.00 1447.50 665.50 264.50 46.50 12.00 31.50 501.50 456.50 1049.00 1267.50 9072.00
1966 2030.00 1497.50 1001.50 783.00 365.00 89.50 0.00 65.00 219.50 543.03 b 1189.00 1459.00 9242.04
1967 1533.50 1515.36 c 1019.50 705.00 410.50 81.00 39.50 21.00 153.50 605.57 b 1054.50 1544.12 b 8683.05
1968 1703.00 0.00 z 631.50 h 720.00 439.50 79.50 32.00 66.00 225.50 565.00 1023.50 1634.50 6488.50
1969 1949.00 931.50 i 1478.50 615.50 307.00 206.50 20.00 6.00 161.00 743.00 997.00 1451.00 7934.50
1970 1922.00 1379.00 1385.00 765.00 323.50 38.00 9.50 12.50 270.00 591.50 1118.00 1637.00 9451.00
1971 1879.00 1453.50 1175.00 599.00 385.00 47.00 51.50 23.00 238.00 551.50 1060.00 1701.50 9164.00
1972 1856.50 1687.50 1275.00 729.00 243.00 f 37.00 5.00 48.29 e 82.00 w 653.00 1086.50 1728.50 9106.29
1973 1495.00 1175.50 861.00 653.04 b 0.00 z 43.33 c 1.60 b 0.00 223.00 420.00 1115.00 1572.50 7559.97
1974 1715.50 1263.50 1131.50 d 596.50 353.50 73.45 a 1.50 38.00 240.00 475.50 1010.00 1317.50 c 8216.45
1975 1520.50 1479.00 1297.00 854.00 252.50 70.86 a 8.50 16.50 270.50 495.50 970.50 1455.00 8690.36
1976 1682.50 1131.50 1128.00 524.50 257.50 35.50 1.50 7.00 185.00 734.00 1201.50 1603.00 8491.50
1977 1978.50 1104.00 957.50 401.00 79.00 23.00 1.50 51.00 179.50 551.00 1159.50 1694.00 8179.50
1978 2054.50 1618.50 1179.00 674.00 243.50 62.59 a 13.00 18.00 134.50 533.50 1202.00 1688.00 9421.09
1979 2040.00 1767.50 1245.00 765.00 427.00 70.00 6.00 38.00 114.50 590.50 1097.00 1217.50 9378.00
1980 1661.00 1458.50 1249.00 460.50 197.00 34.00 0.50 28.00 198.50 592.50 845.50 1428.50 8153.50
1981 1398.00 1154.50 911.00 461.50 309.50 76.00 16.00 3.50 161.00 561.50 870.54 b 1603.00 7526.04
1982 2119.00 1451.00 1215.00 709.00 265.00 143.00 0.00 35.00 230.00 582.00 1189.50 1296.00 9234.50
1983 1339.00 1076.50 1083.00 746.50 384.00 108.00 4.50 0.00 217.50 564.00 1030.50 1981.00 8534.50
1984 1514.00 1034.00 1226.00 612.00 312.00 47.00 11.00 9.00 295.00 567.00 1009.00 1657.50 8293.50
1985 1709.50 1396.50 952.00 471.00 141.57 a 147.00 8.50 70.50 347.00 663.50 1497.00 1740.50 9144.57
1986 1105.00 h 1478.00 865.00 600.50 238.00 19.00 0.00 55.00 264.50 538.00 1170.00 1242.50 6470.50
1987 1298.00 975.50 1050.50 390.50 131.00 24.50 5.00 55.00 135.00 652.50 870.50 1252.50 6840.50
1988 1685.50 1440.50 1023.50 550.50 142.50 0.50 4.00 30.00 184.00 626.00 1075.00 1388.00 8150.00
1989 1487.00 1635.50 1274.50 608.50 238.50 88.50 0.00 10.50 204.00 529.00 1088.00 1752.00 8916.00
1990 1234.00 1219.50 928.50 633.50 323.50 69.00 9.50 10.00 148.00 584.00 945.50 1608.00 7713.00
1991 1658.00 1060.00 997.00 537.00 244.50 18.00 12.50 4.50 205.50 651.00 1202.50 1245.00 7835.50
1992 1313.50 1082.00 909.50 665.50 229.00 119.00 76.50 99.50 204.00 581.00 1139.50 1610.50 8029.50
1993 1707.50 1488.00 1089.50 667.50 270.50 145.50 53.00 48.50 330.50 617.00 1154.00 1496.50 9068.00
1994 2009.83 a 1637.50 1007.50 618.00 193.50 39.50 16.00 59.00 162.00 513.50 960.00 1450.00 8666.33
1995 1619.50 1322.50 1200.50 793.00 361.50 72.00 11.00 3.50 242.00 617.00 1159.50 1503.50 8905.50
1996 1875.00 1335.00 1336.00 738.00 385.50 47.00 9.00 3.00 230.00 584.50 1404.50 1784.00 9731.50
1997 1868.00 1306.50 1213.00 772.00 315.00 16.50 26.50 32.50 97.00 498.00 1171.00 1178.50 8494.50
1998 1573.00 1007.00 1239.00 469.00 163.00 114.00 2.50 1.00 78.00 520.00 962.50 1276.50 7405.50
1999 1679.00 1043.00 905.50 570.00 244.00 79.00 4.50 6.00 267.00 549.50 738.00 1199.50 7285.00
2000 1517.97 a 1098.50 886.50 613.97 a 225.55 b 100.00 23.00 11.00 167.07 a 487.22 a 1189.66 a 1871.37 a 8191.79
2001 1488.50 1589.50 1194.00 580.00 216.50 74.50 13.00 9.00 170.50 570.00 733.00 1375.50 8014.00
2002 1367.00 1051.00 1378.50 638.00 403.00 29.00 3.50 24.50 161.00 829.50 1003.00 1293.50 8181.50
2003 1549.50 1433.00 1170.50 531.50 314.50 86.00 0.00 7.50 201.00 411.50 1192.50 1269.00 8166.50
2004 1719.00 1301.50 891.00 551.50 324.50 137.00 35.50 90.02 e 0.00 z 412.00 f 683.50 f 1344.50 6394.52
2005 1687.50 1176.50 1058.00 381.50 g 361.50 31.00 17.00 28.00 145.00 545.00 982.00 1411.00 7442.50
2006 1205.00 1326.50 1101.50 520.50 305.00 46.00 0.00 n 8.50 287.50 710.50 1035.00 1258.00 7804.00
2007 1606.66 b 1589.00 973.29 b 743.00 236.50 80.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5228.45
Period of Record Statistics
MEAN 1674.26 1372.11 1127.86 633.89 290.24 75.50 15.01 27.66 228.23 567.25 1056.90 1501.84 8537.32
S.D. 222.36 214.57 176.10 108.72 84.97 45.60 16.99 24.52 97.15 101.18 151.94 194.13 633.26
SKEW -0.01 -0.08 0.19 -0.11 -0.11 0.84 1.69 0.96 2.19 0.76 0.00 0.13 -0.48
MAX 2119.00 1841.00 1490.00 854.00 458.59 206.50 76.50 99.50 683.04 905.00 1497.00 1981.00 9731.50
MIN 1205.00 975.50 861.00 390.50 79.00 0.50 0.00 0.00 78.00 314.50 690.50 1178.50 6840.50
NO YRS 56 55 55 56 55 56 54 54 55 55 55 57 44