ANDOVER, SOUTH DAKOTA

Monthly Total Heating Degree Days

(390198)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200502
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
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 63.50 0.00 z 0.00 z 0.00 z 600.50 0.00 z 0.00 z 664.00
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 1302.50 1302.50
1941 1571.00 1423.50 1111.50 466.50 163.00 96.00 32.50 23.77 a 193.00 514.00 949.50 1199.50 7743.77
1942 1393.00 1285.00 971.50 446.00 398.50 113.50 34.50 38.50 337.00 549.50 987.50 1610.50 8165.00
1943 1964.50 1361.00 1339.00 515.00 411.50 119.00 0.50 21.00 249.00 441.50 1046.00 1308.50 8776.50
1944 1267.00 1432.50 1301.50 714.50 201.00 89.50 29.00 44.00 216.50 479.00 926.50 1441.50 8142.50
1945 1544.00 1321.00 840.00 716.50 457.00 214.50 42.50 14.00 285.50 530.50 1096.50 1701.50 8763.50
1946 1606.00 1412.00 788.00 431.00 408.50 97.00 6.50 61.50 230.00 626.00 1073.00 1411.00 8150.50
1947 1350.00 1485.00 1215.00 705.50 418.50 112.50 24.00 16.50 228.00 295.00 1214.00 1598.50 8662.50
1948 1766.48 a 1582.05 a 1287.00 470.50 259.50 83.50 4.50 22.00 90.00 517.00 983.50 1486.50 8552.54
1949 1768.00 1525.50 1142.50 506.50 194.50 47.00 14.50 33.00 241.00 529.50 796.50 1547.50 8346.00
1950 2048.50 1384.50 1252.00 863.00 400.93 a 73.50 35.50 70.50 147.50 453.63 a 1173.00 1624.00 9526.57
1951 1814.00 1261.00 1453.50 700.50 216.50 158.50 35.50 43.50 264.00 606.00 1174.00 1722.57 a 9449.57
1952 1785.00 1330.00 1364.50 522.50 284.50 31.61 b 5.00 20.00 152.00 641.50 982.50 1388.50 8507.61
1953 1582.50 1294.00 1049.50 751.50 325.50 81.21 a 29.00 11.00 167.00 335.00 853.50 1409.00 7888.71
1954 1904.50 913.50 1179.50 614.50 421.00 84.50 4.00 6.00 191.90 a 562.50 804.00 1311.50 7997.40
1955 1571.50 1520.00 1230.00 344.00 127.10 a 91.50 1.50 10.50 201.00 468.50 1329.00 1753.50 8648.10
1956 1723.00 1572.50 1214.50 809.50 264.02 a 12.50 10.00 30.00 202.00 323.50 1028.00 1330.00 8519.52
1957 1850.50 1321.00 1080.57 c 608.00 317.75 a 72.00 0.00 25.32 a 240.00 b 524.50 1006.07 b 1225.00 8270.71
1958 1378.00 1429.00 1046.50 575.50 172.22 d 170.00 26.50 26.35 a 143.50 487.22 a 981.00 1597.50 8033.29
1959 1767.00 1552.50 948.50 591.50 304.83 a 34.50 3.74 b 0.52 a 192.00 697.00 1251.50 1163.50 8507.09
1960 1638.50 1520.00 1506.50 629.50 281.30 d 92.50 10.00 11.50 37.50 u 486.00 985.50 1626.00 8787.30
1961 1706.50 1241.00 887.00 757.00 370.00 26.00 k 11.76 b 4.50 296.90 a 473.00 974.50 1648.50 8370.66
1962 1765.00 1482.50 1226.00 642.00 214.50 61.50 29.00 13.00 251.50 177.50 s 863.00 1378.97 b 7926.97
1963 1904.50 1363.50 853.50 521.50 299.50 34.50 1.00 20.50 100.86 a 277.00 900.50 1768.00 8044.86
1964 1485.00 1216.00 1261.50 526.00 207.00 73.50 4.00 72.50 238.50 526.50 0.00 z 0.00 z 5610.50
1965 0.00 z 0.00 z 0.00 z 281.50 n 240.50 39.83 a 5.50 36.00 471.50 427.00 1020.00 a 1242.14 b 3482.47
1966 2027.50 1509.00 922.00 800.69 a 278.50 f 90.00 b 0.00 75.00 234.83 a 553.19 b 1140.00 1454.93 a 8807.14
1967 1579.85 d 1481.00 1085.00 d 386.00 i 394.39 d 65.50 60.97 a 56.46 c 127.00 569.50 1027.76 a 749.50 l 6447.43
1968 1621.41 c 875.50 l 857.09 d 322.00 l 412.30 a 79.44 c 30.40 e 57.00 190.50 528.19 e 1009.62 d 1623.07 c 6409.03
1969 1938.02 a 1387.75 d 1487.40 e 380.00 j 275.42 e 193.33 c 10.69 b 2.50 i 112.50 h 314.50 o 0.00 z 1501.20 d 6793.82
1970 1591.00 f 739.50 m 772.50 l 431.00 i 261.29 c 40.71 b 4.17 e 12.00 f 212.78 c 276.00 n 132.50 z 1294.50 f 518.95
1971 1888.02 e 1439.00 829.50 g 508.27 d 267.50 f 25.56 c 44.50 f 16.61 c 159.50 h 328.00 g 171.00 y 1028.50 l 3877.45
1972 1159.00 j 987.00 l 836.50 i 522.00 f 232.50 d 61.61 b 16.07 d 48.05 a 117.50 k 360.50 k 778.00 h 0.00 z 358.23
1973 1051.00 j 0.00 z 814.04 d 115.00 y 149.00 r 38.00 f 16.07 d 0.00 d 208.20 e 0.00 z 161.00 z 909.50 m 1038.31
1974 0.00 z 594.00 o 787.50 h 412.50 g 255.00 h 19.00 o 5.74 d 42.50 n 187.00 f 237.50 q 0.00 z 558.50 r 5.74
1975 477.00 v 1499.75 d 1038.00 f 799.29 b 237.87 e 60.60 e 20.50 g 5.50 j 0.00 z 0.00 z 0.00 z 0.00 z 2597.50
1976 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1977 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1978 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1979 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1980 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1981 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1982 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1983 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1984 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1985 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1986 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1987 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1988 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1989 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1990 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1991 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1992 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1993 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1994 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1995 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1996 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1997 1878.50 1318.50 1212.00 783.00 363.00 8.50 34.00 38.50 112.50 480.00 1147.50 1221.50 8597.50
1998 1551.03 a 978.00 1241.00 544.66 a 167.50 118.00 3.50 0.00 78.50 499.00 953.50 1275.00 7409.69
1999 1669.50 1036.00 923.50 576.00 244.00 69.00 5.50 13.50 252.00 595.20 a 720.50 1208.48 a 7313.18
2000 1508.00 1093.50 801.50 644.00 232.50 89.50 32.00 14.31 e 164.50 443.82 a 1203.21 b 1851.96 d 8078.80
2001 1464.23 a 1593.00 1250.00 624.00 218.50 78.00 5.50 12.50 157.00 575.57 a 651.72 a 1338.68 a 7968.71
2002 1413.00 1023.00 1376.00 644.00 427.00 38.00 5.00 26.50 147.50 778.50 973.00 1286.00 8137.50
2003 1568.50 1444.80 c 961.00 f 531.00 275.00 75.50 0.50 14.50 204.00 468.00 1139.00 1266.50 6987.30
2004 1678.00 1305.50 866.00 545.50 342.50 117.00 44.00 106.00 131.50 516.50 865.50 1296.63 e 7814.63
2005 1645.50 1125.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2770.50
Period of Record Statistics
MEAN 1673.29 1354.27 1121.81 612.25 293.41 81.90 16.45 29.61 204.08 510.52 1006.58 1447.78 8296.90
S.D. 195.74 175.15 209.59 124.93 89.44 44.63 15.43 24.02 74.25 102.98 149.22 190.46 510.23
SKEW 0.00 -0.86 -0.02 0.13 0.17 1.00 0.85 1.18 1.13 -0.10 -0.13 0.37 0.49
MAX 2048.50 1593.00 1506.50 863.00 457.00 214.50 60.97 106.00 471.50 778.50 1329.00 1851.96 9526.57
MIN 1267.00 913.50 788.00 344.00 127.10 8.50 0.00 0.00 78.50 277.00 651.72 1163.50 7313.18
NO YRS 38 38 36 35 39 41 41 39 37 36 35 36 27