MILLER, SOUTH DAKOTA

Monthly Total Heating Degree Days

(395561)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1902 1438.50 1385.50 1033.00 670.00 205.00 144.00 11.50 38.00 282.00 550.00 1014.00 1655.50 8427.00
1903 1580.00 1577.00 1146.00 564.00 259.00 69.00 26.00 52.00 288.00 463.00 1093.00 1560.00 8677.00
1904 1758.50 1706.00 1128.00 725.00 283.00 102.00 32.00 33.00 210.00 426.00 877.00 1489.00 8769.50
1905 1799.00 1542.50 852.00 663.00 398.00 119.00 26.00 4.00 112.00 709.00 894.00 1453.00 8571.50
1906 1491.00 1347.00 1361.00 478.00 289.00 107.78 c 20.00 40.00 131.50 561.50 1059.00 1502.50 8388.28
1907 1942.50 1335.50 973.00 825.50 529.00 106.50 9.00 36.00 299.00 586.50 968.00 1265.00 8875.50
1908 1405.13 e 1337.48 d 1086.00 529.00 342.50 108.00 16.50 55.00 7.50 f 563.00 928.00 1467.00 7837.61
1909 1678.50 1395.00 1089.50 767.50 312.50 48.50 19.00 17.50 151.50 576.00 1003.00 1773.50 8832.00
1910 1724.00 1657.00 607.50 452.00 402.50 102.50 7.00 37.50 179.00 378.00 0.00 z 1458.50 7005.50
1911 1704.50 1395.00 853.50 605.50 205.50 12.50 16.00 63.00 193.00 664.50 1295.00 1422.00 8430.00
1912 2044.00 1393.50 1344.00 506.00 253.50 133.50 15.00 11.00 350.50 524.50 866.00 1287.00 8728.50
1913 1607.00 1405.50 1268.50 486.00 369.00 51.00 5.50 0.00 195.00 643.25 a 828.00 1236.50 8095.25
1914 1379.00 1646.00 1081.50 584.50 261.50 31.50 0.00 54.00 122.50 409.00 834.50 1694.50 8098.50
1915 1657.00 1246.50 1408.00 381.50 409.00 151.50 72.00 68.00 205.00 440.00 880.50 1309.00 8228.00
1916 2006.00 1509.00 1061.50 643.00 329.00 169.50 0.00 52.50 214.00 593.00 977.00 1741.00 9295.50
1917 1778.00 1645.50 1251.50 743.50 410.00 143.50 15.00 40.00 200.00 790.50 747.50 1739.00 9504.00
1918 1846.00 1349.00 813.00 680.50 256.50 54.50 25.50 20.00 286.00 465.00 972.50 1291.50 8060.00
1919 1287.03 b 1423.00 1161.00 618.50 300.50 94.00 0.00 14.00 142.50 801.00 1273.50 1501.95 a 8616.98
1920 1201.50 f 739.50 l 1131.50 849.00 268.00 90.00 12.00 23.00 128.00 425.22 a 1068.00 1360.50 5355.22
1921 1322.00 1072.00 958.50 555.00 322.00 41.38 a 11.00 10.00 108.50 353.00 1141.50 1277.50 7172.38
1922 1595.00 1618.50 1019.50 550.00 180.83 a 37.50 36.00 5.50 81.00 451.50 870.00 1486.00 7931.33
1923 1351.00 1370.50 1176.50 579.00 255.75 a 74.50 3.50 28.50 114.00 551.50 742.00 1131.50 7378.25
1924 1745.00 1166.00 1199.00 0.00 z 550.50 176.50 53.00 23.50 181.50 292.00 899.00 1673.00 7959.00
1925 1579.00 1127.00 870.00 343.00 339.50 68.00 25.50 2.00 103.00 858.00 945.50 1379.50 7640.00
1926 1436.50 1032.50 1026.50 553.50 135.00 85.50 4.00 9.50 248.50 475.50 1125.00 1406.00 7538.00
1927 1425.00 1091.00 926.50 577.50 366.50 116.50 14.00 44.00 208.00 373.50 1118.00 1905.50 8166.00
1928 1388.00 1155.00 896.50 720.00 168.00 110.00 2.00 29.50 202.00 492.00 868.50 1169.00 7200.50
1929 1918.00 1564.50 888.00 564.00 321.00 76.00 1.50 6.50 276.00 463.50 1099.00 1382.50 8560.50
1930 1845.50 902.22 a 1020.42 a 412.50 312.50 39.31 a 5.00 2.00 170.00 571.00 894.50 1180.00 7354.95
1931 1145.00 864.00 1038.50 490.50 332.50 23.00 0.50 19.00 84.00 388.50 879.00 1294.25 c 6558.75
1932 1580.50 1040.50 h 1235.87 a 452.50 195.50 12.00 9.00 13.50 147.00 606.50 860.69 a 1431.00 6544.06
1933 1179.50 1311.69 b 923.50 510.00 268.15 a 4.00 0.00 12.50 40.00 470.50 824.00 1328.35 a 6872.19
1934 1197.00 1060.50 983.50 492.00 66.65 a 3.62 a 4.00 f 14.31 e 218.50 337.00 784.20 e 1370.00 6527.28
1935 1526.00 877.50 846.00 646.50 316.50 73.00 0.00 53.50 133.45 a 578.48 c 1197.50 1442.00 7690.43
1936 1987.00 2023.00 1018.00 713.50 135.50 49.50 0.00 3.50 127.50 641.50 1091.00 1366.50 9156.50
1937 2068.00 1443.00 1115.00 679.50 239.00 125.50 0.00 2.00 178.00 537.50 1018.50 1441.50 8847.50
1938 1517.00 1385.00 847.50 540.00 307.00 36.00 0.00 1.00 96.00 278.48 a 1050.50 1243.50 7301.98
1939 1271.00 1579.50 984.00 583.00 101.50 53.00 0.00 11.00 146.50 515.50 754.00 1058.00 7057.00
1940 1871.50 1348.50 1182.00 637.00 268.50 40.50 2.00 17.50 84.00 287.27 a 1090.18 b 1200.50 8029.45
1941 1523.50 1341.00 1079.50 465.50 132.00 77.00 23.50 2.00 160.50 504.50 875.50 1135.12 a 7319.62
1942 1258.00 1232.50 990.50 418.50 379.50 74.00 11.50 11.50 282.50 460.00 897.50 1449.00 7465.00
1943 1814.00 1106.00 1177.50 416.00 335.50 86.50 0.00 12.50 156.00 401.50 969.50 1179.50 7654.50
1944 1144.00 1405.00 1267.50 658.00 151.50 76.00 4.50 26.00 114.00 387.00 912.00 1305.00 7450.50
1945 1356.50 1142.50 752.50 628.50 388.02 a 186.00 19.50 7.00 211.50 434.50 979.00 1568.00 7673.52
1946 1398.00 1176.50 687.50 330.50 332.00 81.00 1.00 32.50 161.00 566.00 943.50 1256.50 6966.00
1947 1233.50 1366.00 1110.50 663.50 350.50 75.00 5.00 4.00 136.00 273.00 1155.00 1431.50 7803.50
1948 1529.00 1457.00 1164.50 403.00 251.00 62.50 0.00 11.00 65.00 473.00 926.00 1400.00 7742.00
1949 1737.00 1508.00 1086.50 456.50 153.00 21.50 0.00 9.50 195.50 504.50 675.50 1441.00 7788.50
1950 1963.50 1360.00 1277.50 804.50 353.00 51.00 12.00 34.00 155.00 385.00 1080.00 1429.50 8905.00
1951 1590.00 1110.15 a 1422.00 685.00 205.63 a 142.76 a 28.00 25.00 266.00 509.20 d 1075.00 c 1660.00 8718.74
1952 1664.00 1188.50 1334.00 501.00 234.50 16.00 4.00 11.50 117.00 574.00 918.50 1275.50 7838.50
1953 1356.50 1204.00 1004.92 a 715.50 291.50 43.50 6.00 5.00 119.50 299.50 799.50 1278.00 7123.42
1954 1665.00 728.50 1138.22 a 505.50 356.50 78.00 0.00 0.00 111.00 546.50 713.00 1253.50 7095.72
1955 1401.00 1436.50 1084.50 289.50 124.50 79.00 0.00 5.00 f 136.50 393.50 1248.50 1675.50 7869.00
1956 1650.50 1543.65 e 1108.00 720.50 237.00 9.50 1.50 25.50 133.00 300.50 918.50 1177.50 7825.65
1957 1730.00 1172.50 1017.50 600.50 301.00 43.00 0.00 a 18.50 182.50 509.00 905.50 1064.00 7544.00
1958 1241.00 1360.00 1118.00 551.50 156.00 130.00 13.50 5.50 h 88.97 a 384.50 871.50 1425.00 7339.97
1959 1669.50 1432.50 863.50 519.50 269.50 27.50 4.50 2.00 180.50 632.00 1137.00 1102.00 7840.00
1960 1544.50 1477.50 1423.00 550.50 244.00 53.50 4.50 3.00 168.00 407.00 879.00 1423.50 8178.00
1961 1265.50 f 1126.50 802.50 673.50 317.50 29.50 3.00 1.50 236.50 386.50 882.50 1501.00 5960.50
1962 1547.00 1342.00 1272.50 528.00 146.00 56.00 18.00 7.00 165.00 385.00 771.00 1254.00 7491.50
1963 1723.00 1148.50 763.50 527.50 227.00 11.50 0.00 7.00 50.50 195.50 808.50 1542.50 7005.00
1964 1293.00 1083.00 1162.00 490.00 164.50 43.00 0.00 48.50 156.00 429.50 988.00 1578.50 7436.00
1965 1671.00 1265.00 1349.50 551.00 182.00 23.00 0.00 10.00 404.00 345.00 929.50 1111.00 7841.00
1966 1835.50 1401.00 870.50 691.00 281.00 57.00 0.00 48.50 159.00 453.00 1039.50 1319.00 8155.00
1967 1376.00 1362.00 919.50 554.00 389.50 56.00 31.50 19.00 102.50 469.00 924.00 1397.50 7600.50
1968 1522.50 1303.00 763.50 552.00 362.00 56.00 18.00 30.00 144.50 460.50 931.50 1587.50 7731.00
1969 1791.50 1256.50 1343.00 440.50 184.50 113.00 0.00 3.50 80.17 a 635.50 868.00 1307.00 8023.17
1970 1755.00 1126.00 1206.93 a 631.55 a 169.50 21.50 6.00 2.50 162.00 505.00 1009.00 1510.50 8105.48
1971 1750.00 1292.00 1019.50 491.00 274.50 14.00 22.00 5.00 164.50 426.00 933.00 1507.50 7899.00
1972 1679.50 1481.50 1055.00 608.50 222.00 33.00 17.00 28.00 128.50 548.00 1028.50 1547.50 8377.00
1973 1420.00 1128.00 792.00 566.50 211.00 21.00 0.00 0.00 171.00 317.50 0.00 z 1458.00 6085.00
1974 1462.00 1120.00 920.00 481.00 281.50 57.00 0.00 28.00 177.50 356.00 897.00 1223.00 7003.00
1975 1399.50 1359.00 1197.50 715.50 178.50 41.00 2.50 0.50 176.00 432.50 916.50 1275.00 7694.00
1976 1483.50 932.50 967.50 415.50 210.50 21.00 0.00 0.00 123.00 593.00 1092.00 1417.00 7255.50
1977 1807.00 1021.50 905.00 349.00 52.50 5.00 0.00 10.50 135.00 489.00 1016.00 1517.00 7307.50
1978 1935.50 1560.50 1082.00 592.00 210.50 45.50 3.00 9.50 100.00 427.50 1077.00 1536.00 8579.00
1979 1926.50 1622.50 1083.00 700.71 b 356.00 47.50 8.50 17.16 c 60.50 501.00 1052.00 1084.48 a 8459.86
1980 1504.53 a 1276.58 d 1087.50 472.00 168.00 0.00 z 0.00 11.50 93.62 a 525.89 c 779.00 1306.59 d 7225.22
1981 1230.00 1067.50 783.00 333.50 243.50 23.00 12.50 1.50 91.50 492.00 739.50 1427.07 b 6444.57
1982 1910.50 1276.00 1061.00 612.50 201.50 74.00 0.00 18.50 160.00 471.00 1014.50 1193.50 7993.00
1983 1219.00 932.50 984.00 680.50 314.00 63.00 2.50 0.00 162.50 437.00 940.50 1890.50 7626.00
1984 1367.00 964.00 1098.50 573.50 268.50 19.50 3.50 0.50 244.00 445.50 883.00 1490.50 7358.00
1985 1559.00 826.00 m 826.00 373.50 98.50 104.50 4.00 36.50 265.00 478.50 1346.00 1640.50 6732.00
1986 1170.54 d 0.00 z 782.50 575.17 a 214.50 20.50 0.00 35.50 183.50 427.00 1005.50 1107.00 5521.71
1987 1145.50 861.00 926.00 344.50 75.00 7.00 2.00 46.00 93.00 546.50 813.50 1178.00 6038.00
1988 1600.00 1311.00 868.50 466.50 110.00 1.00 6.00 19.50 133.00 504.00 933.00 1373.30 a 7325.80
1989 1337.00 1633.85 a 1210.00 589.00 243.50 78.50 0.00 0.00 208.50 488.00 986.50 1666.00 8440.85
1990 1119.00 1154.50 905.00 618.50 312.50 49.00 18.00 9.00 135.00 522.00 846.00 1563.50 7252.00
1991 1589.50 972.00 983.00 493.00 251.00 2.50 6.50 2.50 196.00 596.50 1157.50 1169.50 7419.50
1992 1217.00 1023.00 845.00 690.50 198.50 68.50 71.00 92.00 187.00 554.38 a 1064.50 1446.50 7457.88
1993 1596.50 1413.00 0.00 z 660.00 292.50 134.00 24.50 29.50 307.00 609.50 1111.50 1330.00 7508.00
1994 1857.50 1530.00 912.50 617.00 164.00 43.00 20.50 49.00 160.00 453.00 913.50 1330.00 8050.00
1995 1527.00 1159.50 1102.50 802.50 374.00 72.00 7.00 5.50 230.00 570.50 1101.00 1369.50 8321.00
1996 1753.00 1242.34 a 1300.00 708.00 414.50 51.00 11.00 2.50 220.00 571.00 1328.00 1716.00 9317.34
1997 1757.00 1273.00 1132.00 745.00 378.00 20.50 27.50 23.50 125.50 500.50 1074.50 1093.00 8150.00
1998 1446.00 909.00 1230.50 489.50 173.50 117.00 0.00 1.00 71.00 501.00 871.55 a 1190.50 7000.55
1999 1573.00 931.00 891.00 616.50 276.50 67.00 4.00 14.00 240.00 574.50 659.50 1130.50 6977.50
2000 1376.00 1039.50 796.00 621.50 230.00 109.14 a 20.00 12.50 144.50 444.50 1249.00 1757.00 7799.64
2001 1374.50 1556.50 1188.50 543.00 229.00 70.50 8.00 7.50 137.50 530.00 667.50 1279.00 7591.50
2002 1279.00 979.50 1341.00 631.00 386.00 25.50 1.50 26.00 144.50 812.00 912.00 1199.00 7737.00
2003 1456.00 1366.00 1020.00 517.00 284.50 81.00 0.00 10.00 194.00 400.50 1104.00 1210.50 7643.50
2004 1606.50 1289.50 867.50 572.50 303.50 109.00 22.00 82.00 126.00 495.50 854.00 1243.50 7571.50
2005 1541.50 1053.50 1017.50 517.00 338.50 37.50 10.00 12.00 100.50 503.50 890.00 1429.50 7451.00
2006 1054.50 1183.50 1024.50 473.00 268.00 26.50 0.00 5.00 265.50 631.50 946.00 1180.00 7058.00
2007 1449.00 1474.00 820.50 696.50 189.50 48.50 1.50 20.00 180.00 475.50 903.50 1420.50 7679.00
2008 1509.00 1454.14 a 1080.50 729.50 356.50 69.50 9.50 7.50 165.50 541.00 900.00 1623.50 8446.14
2009 1582.00 1213.50 1134.00 723.50 301.50 128.00 26.00 41.50 111.00 778.50 753.50 1620.50 8413.50
2010 1658.00 1513.50 947.50 446.00 338.50 44.00 0.00 0.50 190.50 426.00 936.00 1508.00 8008.50
2011 1703.50 1422.50 1262.00 672.50 354.50 87.00 0.00 5.00 205.50 439.50 943.00 1189.00 8284.00
2012 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 41.00 0.00 33.00 164.50 607.50 941.50 1383.50 3171.00
2013 1448.00 1278.00 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 2726.00
Period of Record Statistics
MEAN 1554.46 1287.11 1044.18 572.64 266.22 64.92 9.84 19.67 166.44 493.20 958.19 1393.08 7852.13
S.D. 234.52 224.75 175.78 118.71 93.02 42.06 13.28 19.08 64.89 116.97 141.07 187.95 658.48
SKEW 0.06 0.06 0.08 -0.08 0.13 0.69 2.34 1.31 0.83 0.51 0.43 0.40 0.14
MAX 2068.00 2023.00 1423.00 849.00 550.50 186.00 72.00 92.00 404.00 858.00 1346.00 1905.50 9504.00
MIN 1054.50 728.50 607.50 289.50 52.50 1.00 0.00 0.00 40.00 195.50 659.50 1058.00 6038.00
NO YRS 109 107 109 109 110 110 110 109 110 111 109 111 96