SPRINGFIELD 1 NW, MINNESOTA

Monthly Total Heating Degree Days

(217907)

Base Temperature = 65 F

File last updated on Apr 6, 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
1937 0.00 z 0.00 z 0.00 z 0.00 z 171.00 73.00 2.07 a 1.00 192.00 575.10 b 1041.50 1562.50 3618.17
1938 1631.50 1382.00 915.00 591.00 325.00 49.00 0.00 1.00 97.50 319.00 1025.00 1330.00 7666.00
1939 1424.00 1549.00 1098.50 680.00 104.50 24.50 0.50 33.00 148.00 551.50 853.50 1107.00 7574.00
1940 1860.00 1355.00 1277.56 e 664.50 276.00 35.50 6.50 57.00 112.00 295.00 1151.50 1300.50 8391.06
1941 1465.00 1358.50 1091.00 414.50 124.50 65.50 17.50 14.50 155.50 422.50 871.00 1200.50 7200.50
1942 1376.50 1244.50 920.00 409.00 316.50 67.50 8.50 15.00 278.00 474.50 959.00 1543.50 7612.50
1943 1819.00 1289.50 1239.50 577.50 346.00 77.50 0.50 18.50 231.00 466.07 b 1097.00 1303.50 8465.57
1944 1164.50 1278.50 1226.00 688.50 183.00 52.24 a 2.50 38.00 129.00 435.00 859.50 1402.50 7459.24
1945 1516.50 1269.00 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 2785.50
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 102.00 10.00 0.50 155.50 222.50 1104.00 1491.50 3086.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.52 a 20.00 76.03 a 458.00 942.00 1429.50 2926.05
1949 1636.05 b 1424.50 1068.97 b 548.33 c 146.00 19.00 2.00 15.50 a 197.00 385.95 a 760.86 a 1378.50 7582.66
1950 1842.43 a 1301.50 1197.24 b 818.50 308.97 a 55.71 b 16.50 58.12 c 114.44 c 326.05 c 1115.00 1604.50 8758.98
1951 1777.33 a 1270.37 a 1433.23 a 714.00 151.90 a 96.72 a 10.16 b 16.50 k 254.00 532.50 1165.18 b 1564.00 8969.39
1952 1629.64 b 1199.50 1264.00 524.48 a 265.00 20.50 2.58 a 7.50 138.50 586.50 894.83 a 1325.77 a 7858.80
1953 1499.37 a 1251.00 1011.00 724.00 263.00 44.00 7.50 4.00 166.03 a 320.33 a 822.00 1378.47 a 7490.70
1954 1756.00 929.19 a 1167.84 b 555.00 349.30 c 55.50 4.13 a 6.00 136.55 a 548.18 a 791.79 b 1286.00 7585.49
1955 1508.00 1430.00 1127.00 308.50 41.50 l 54.50 0.00 8.00 152.59 a 419.50 1214.50 1662.50 7885.09
1956 1698.00 1519.50 1192.50 718.97 a 233.53 a 14.50 12.18 c 30.50 205.00 269.70 a 940.50 1240.00 8074.88
1957 1672.50 1179.00 1073.50 559.00 282.50 40.00 0.00 29.00 199.14 a 532.00 954.50 1192.98 a 7714.12
1958 1344.00 1403.00 1050.50 550.71 b 155.00 122.00 16.00 31.50 0.00 z 200.50 u 878.00 1507.50 7058.21
1959 1671.93 a 1383.00 937.00 527.50 188.50 23.00 6.50 10.69 b 197.07 a 663.50 1197.00 1082.00 7887.69
1960 1518.00 1377.00 1423.00 551.50 221.50 28.50 g 6.50 8.00 191.50 449.50 858.00 1407.00 8011.50
1961 1519.50 1139.00 950.50 721.50 300.50 25.71 b 3.00 12.18 c 199.50 404.00 928.00 1510.00 7713.39
1962 1625.50 1354.37 a 1232.00 635.00 134.85 a 44.00 17.00 5.50 218.00 425.70 c 763.50 1317.00 7772.42
1963 1785.00 1313.41 a 860.00 445.50 235.08 a 19.29 b 1.00 22.50 85.00 190.28 b 730.00 c 1646.88 c 7333.93
1964 1282.50 1140.00 1201.00 503.00 136.50 45.00 0.00 60.00 171.00 442.50 930.00 1577.50 7489.00
1965 1691.00 1454.50 1420.63 e 647.00 165.50 8.00 4.00 47.00 372.00 382.52 c 942.93 a 1109.50 8244.58
1966 1911.00 1385.50 860.50 721.00 304.66 b 29.50 0.00 48.50 178.50 470.50 1066.00 1432.50 8408.16
1967 1508.00 1454.00 986.00 573.00 370.50 33.50 29.00 55.50 149.00 551.50 959.00 1314.50 7983.50
1968 1507.50 1431.00 753.50 485.50 343.00 47.00 13.50 36.00 146.00 453.00 903.50 1505.50 7625.00
1969 1791.00 1318.00 1416.50 524.00 201.50 133.50 6.00 2.50 134.50 584.50 931.00 1429.00 8472.00
1970 1853.00 1387.50 1253.00 590.50 197.00 20.00 4.50 10.50 176.50 512.50 1001.00 1495.50 8501.50
1971 1777.00 1295.00 1096.00 502.50 272.00 15.50 32.00 40.00 181.00 385.00 953.00 1474.50 8023.50
1972 1766.50 1539.00 1086.00 662.00 194.50 53.00 14.50 41.50 183.00 595.50 971.50 1634.50 8741.50
1973 1409.00 1208.00 817.50 633.50 306.00 33.00 7.50 10.50 220.50 366.00 919.00 1549.50 7480.00
1974 1693.63 a 1348.00 1080.00 575.00 358.00 66.00 2.50 56.00 264.00 497.00 960.50 1363.50 8264.13
1975 1558.00 1492.00 1339.50 833.50 174.50 58.50 15.00 12.00 281.00 439.00 911.50 1453.00 8567.50
1976 1664.00 1120.00 1066.50 459.00 277.50 43.00 3.00 32.50 221.00 705.50 1141.50 1626.47 a 8359.97
1977 2016.50 1200.00 899.00 405.50 54.50 11.00 4.50 74.00 124.50 578.00 1023.50 1542.50 7933.50
1978 1941.50 1576.00 1129.50 637.50 222.50 66.50 21.50 29.00 118.50 523.00 1045.50 1596.50 8907.50
1979 2061.00 1733.50 1251.00 726.72 a 384.00 64.50 7.00 63.00 158.50 570.00 1007.50 1249.00 9275.72
1980 1522.00 1477.00 1218.50 518.50 211.50 22.00 2.00 23.50 188.00 612.00 851.50 1423.50 8070.00
1981 1479.50 1165.50 873.00 442.00 237.00 16.50 13.00 31.00 177.50 597.00 835.00 1575.50 7442.50
1982 2017.00 1428.50 1092.50 721.50 159.00 97.50 1.50 40.50 197.50 484.00 1109.00 1249.00 8597.50
1983 1474.50 1154.00 1078.00 735.00 351.00 62.00 0.00 0.50 194.50 546.00 924.00 2033.00 8552.50
1984 1634.50 1148.50 1334.50 577.50 312.00 12.50 9.50 19.50 314.50 447.50 941.50 1444.50 8196.50
1985 1724.50 1408.50 912.50 464.50 129.00 104.50 9.50 69.50 249.50 598.00 1302.50 1783.53 a 8756.03
1986 1485.00 1445.00 981.50 517.50 226.50 18.00 6.00 71.00 177.00 514.00 1122.00 1253.50 7817.00
1987 1339.00 929.00 893.50 397.00 107.98 a 20.00 10.00 63.00 146.00 660.50 821.50 1291.00 6678.48
1988 1763.50 1585.50 974.00 614.50 69.50 6.50 6.00 30.00 158.00 644.50 990.00 1355.00 8197.00
1989 1295.00 1579.50 1247.50 614.50 247.00 62.00 0.00 13.00 222.50 517.00 1113.50 1685.50 8597.00
1990 1187.00 1181.50 965.50 594.00 296.00 43.00 20.50 23.50 148.00 590.00 889.50 1549.00 7487.50
1991 1693.00 1095.00 1027.50 517.00 242.00 12.50 13.00 20.50 221.00 597.00 1250.50 1346.00 8035.00
1992 1309.00 1107.50 977.50 725.50 194.50 77.50 73.50 100.50 221.50 549.50 1057.00 1480.50 7874.00
1993 1659.50 1445.50 1171.00 699.50 293.00 91.50 7.50 24.50 322.00 591.50 1087.00 1411.50 8804.00
1994 1956.00 1579.50 980.50 630.00 193.00 19.50 9.50 69.50 146.50 424.50 847.50 1295.50 8151.50
1995 1496.00 1246.50 1026.00 756.00 319.00 54.50 19.00 13.00 243.50 574.50 1185.50 1437.00 8370.50
1996 1820.50 1372.00 1250.00 732.50 378.00 37.00 16.00 15.00 230.50 511.50 1266.50 1695.00 9324.50
1997 1769.00 1277.50 1129.50 724.00 389.00 0.50 34.00 35.50 141.00 486.00 1150.00 1207.50 8343.50
1998 1546.00 996.50 1175.00 517.00 104.50 92.50 6.00 0.00 80.00 431.00 874.50 1240.50 7063.50
1999 1692.00 1055.00 998.50 550.50 209.00 71.50 3.50 8.50 210.00 536.50 700.00 1258.00 7293.00
2000 1582.50 1108.00 795.00 612.50 209.00 82.50 32.00 14.50 194.00 437.50 1096.00 1878.50 8042.00
2001 1459.00 1586.50 1290.50 606.50 210.00 70.50 11.50 20.50 199.50 543.50 578.50 1223.00 7799.50
2002 1306.00 1060.50 1351.00 615.00 366.50 33.50 5.00 26.50 164.50 742.50 1005.50 1230.50 7907.00
2003 1548.50 1416.50 1125.50 559.00 302.00 74.00 4.00 15.00 222.50 496.50 1054.00 1313.00 8130.50
2004 1644.50 1375.00 924.00 546.50 297.50 86.50 18.00 110.00 104.00 477.00 839.00 1305.00 7727.00
2005 1600.00 1107.00 1108.00 456.00 309.50 6.50 12.00 30.00 91.00 476.00 887.50 1520.50 7604.00
2006 1189.00 1327.50 1112.00 430.00 267.00 31.00 0.00 10.00 240.00 618.50 910.00 1175.00 7310.00
2007 1456.00 1512.00 924.50 656.00 132.00 32.00 6.50 27.50 170.50 389.00 939.00 1578.00 7823.00
2008 1699.00 1501.00 1179.00 702.50 303.50 32.00 3.50 23.50 183.50 536.50 964.00 1655.50 8783.50
2009 1808.50 1297.50 1111.50 639.00 265.00 107.50 39.50 63.00 111.00 734.50 751.50 1601.00 8529.50
2010 1782.50 1525.50 975.00 399.00 284.00 20.50 0.00 9.00 210.50 442.50 954.50 1635.50 8238.50
2011 1830.07 b 1442.00 d 1253.29 c 443.50 i 296.00 47.00 0.00 6.50 240.50 435.50 892.00 1232.00 7674.85
2012 1348.50 1151.50 620.00 482.50 144.00 27.00 0.00 47.50 215.50 623.50 903.00 1416.50 6979.50
2013 1533.50 1382.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2916.00
Period of Record Statistics
MEAN 1613.99 1325.38 1091.38 588.00 240.83 48.34 9.60 29.34 184.17 495.81 968.62 1431.16 8014.31
S.D. 205.24 169.16 170.87 111.88 83.03 30.51 11.64 23.94 57.30 111.08 140.42 182.99 546.43
SKEW -0.08 -0.21 -0.10 -0.09 -0.18 0.66 2.81 1.14 0.56 -0.31 0.11 0.52 0.10
MAX 2061.00 1733.50 1433.23 833.50 389.00 133.50 73.50 110.00 372.00 742.50 1302.50 2033.00 9324.50
MIN 1164.50 929.00 620.00 308.50 54.50 0.50 0.00 0.00 76.03 190.28 578.50 1082.00 6678.48
NO YRS 73 73 71 70 71 72 74 73 73 73 74 74 66