MADISON, SOUTH DAKOTA

Monthly Total Heating Degree Days

(395088)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196204
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
1940 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 k 49.00 112.00 289.00 1140.50 1248.00 2838.50
1941 1490.00 1320.00 1096.50 464.50 127.00 71.50 30.00 13.00 180.00 476.37 a 896.00 1155.00 7319.87
1942 1361.50 1216.50 960.50 442.00 382.00 76.50 11.00 17.00 293.50 505.00 923.50 1495.50 7684.50
1943 1774.50 1145.50 1180.50 522.50 363.50 80.00 3.50 13.50 231.50 480.50 993.00 1229.00 8017.50
1944 1181.50 1320.50 1243.00 713.50 198.00 78.00 5.50 43.00 156.50 429.00 896.50 1317.50 7582.50
1945 1452.00 1176.50 803.00 643.00 397.00 172.00 17.00 19.50 230.00 467.00 1002.50 1638.00 8017.50
1946 1462.50 1223.50 719.50 381.50 341.00 90.00 1.50 47.50 188.00 492.50 1025.50 1279.50 7252.50
1947 1285.50 1388.00 1111.00 682.00 367.00 98.50 16.00 4.00 166.50 269.00 1132.50 1455.00 7975.00
1948 1658.00 1438.00 1138.50 427.00 270.00 58.50 2.00 24.00 81.50 491.00 957.00 1399.50 7945.00
1949 1673.00 1415.00 1072.50 532.50 152.50 27.50 3.00 14.00 215.00 453.50 736.03 a 1384.50 7679.03
1950 1856.00 1267.00 1247.00 832.50 374.00 74.50 24.50 55.50 139.00 402.50 1065.50 1474.00 8812.00
1951 1622.00 1137.00 1399.50 718.50 218.50 145.50 32.00 35.50 292.50 561.50 1130.50 1615.00 8908.00
1952 1620.00 1188.50 1276.00 530.50 264.00 22.24 a 4.50 4.00 133.00 582.50 943.00 1319.50 7887.74
1953 1461.50 1221.00 1024.00 754.00 297.00 46.00 8.50 7.00 173.50 356.50 860.00 1412.57 a 7621.57
1954 1731.50 894.96 a 1191.50 498.62 a 415.00 50.00 0.00 f 2.50 118.50 590.50 733.97 a 1316.00 7543.05
1955 1498.85 a 1455.00 1114.81 e 340.38 d 67.17 d 63.75 b 0.00 c 0.50 0.00 z 0.00 z 1298.65 d 1647.00 7486.11
1956 1650.00 1447.50 1128.00 682.50 208.50 11.50 8.00 26.00 167.00 287.00 967.00 1231.73 a 7814.73
1957 1741.00 1207.00 1070.00 604.50 300.00 50.00 0.00 0.00 z 225.00 a 615.41 d 497.00 n 1184.00 6996.91
1958 1360.00 1398.96 a 1151.00 612.50 201.50 c 149.50 30.00 30.50 172.20 e 451.00 957.00 1540.50 8054.66
1959 1733.86 b 1514.07 a 978.57 a 619.50 289.85 a 43.45 a 22.73 a 4.13 a 246.00 760.05 c 1371.35 d 1159.40 a 8742.97
1960 1672.97 a 1512.50 1240.50 g 472.50 f 330.87 e 86.50 f 17.00 g 4.65 a 204.81 d 488.50 921.92 d 407.00 v 5136.21
1961 1651.55 b 903.00 g 971.13 e 778.20 e 380.86 c 51.35 d 1.00 g 17.22 d 180.00 h 353.50 f 779.00 g 1275.00 f 3850.31
1962 1699.32 a 1352.17 d 1100.00 f 663.60 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3715.08
Period of Record Statistics
MEAN 1574.41 1297.10 1093.83 592.56 283.11 73.01 12.21 20.57 186.30 472.42 997.60 1375.06 7957.19
S.D. 174.23 151.81 157.83 135.89 97.43 42.17 11.22 17.00 56.75 119.16 160.24 157.16 490.03
SKEW -0.57 -0.64 -0.55 -0.14 -0.56 0.92 0.60 0.68 0.22 0.24 0.60 0.32 0.72
MAX 1856.00 1514.07 1399.50 832.50 415.00 172.00 32.00 55.50 293.50 760.05 1371.35 1647.00 8908.00
MIN 1181.50 894.96 719.50 340.38 67.17 11.50 0.00 0.50 81.50 269.00 733.97 1155.00 7252.50
NO YRS 22 21 20 21 21 20 18 21 20 20 20 20 16