MILAN 1 NW, MINNESOTA

Monthly Total Heating Degree Days

(215400)

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
1893 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 276.92 d 0.00 z 0.00 z 0.00 z 276.92
1894 1914.50 1456.50 1015.50 552.00 241.00 31.00 7.50 7.50 189.00 565.50 1194.00 1303.00 8477.00
1895 1950.50 1621.50 1215.50 364.00 260.00 69.11 b 16.50 30.50 175.50 653.00 1154.00 1478.00 8988.11
1896 1693.50 1327.00 1411.00 606.50 198.00 62.50 24.00 45.00 252.50 677.00 1491.00 1423.00 9211.00
1897 1857.00 1482.00 1487.00 600.50 263.00 155.00 3.00 61.50 75.50 469.50 1227.69 d 1624.00 9305.69
1898 1410.00 1392.50 1083.50 592.00 279.50 47.50 17.50 31.00 180.00 693.00 1163.00 1583.50 8473.00
1899 1636.00 1657.50 1547.50 595.00 296.00 36.00 12.50 7.50 273.50 517.59 c 751.50 1452.19 b 8782.78
1900 1434.00 1681.50 1203.50 396.50 186.50 52.50 15.50 1.00 207.50 g 295.50 1198.00 1437.50 7902.00
1901 1609.00 1502.50 1068.50 502.00 230.50 82.00 0.00 7.50 233.00 f 462.00 1084.00 1291.50 g 6548.00
1902 1468.00 1330.00 969.00 641.00 233.50 154.29 b 10.50 38.23 a 237.50 f 553.00 977.00 1694.00 8068.52
1903 1684.50 1568.50 1075.00 602.00 236.50 67.50 k 41.50 74.00 297.00 e 513.16 c 1112.00 1615.50 8819.66
1904 1828.00 1783.00 1207.50 752.31 d 275.00 107.00 31.00 76.50 227.00 510.00 836.00 1459.50 9092.81
1905 1902.50 1515.00 913.50 641.90 a 384.00 95.50 34.50 7.50 107.00 681.50 909.50 1356.00 8548.40
1906 1451.00 1349.50 1367.50 476.00 311.00 89.00 39.00 34.00 123.00 568.00 1069.50 1530.50 8408.00
1907 1957.00 1347.50 1081.00 890.00 547.00 125.00 14.00 40.50 291.00 610.50 996.00 1394.00 9293.50
1908 1512.00 1389.41 a 1201.00 549.00 342.00 133.00 22.00 75.00 136.00 574.50 851.40 e 1483.00 8268.31
1909 1704.50 1459.00 1144.50 849.00 320.50 76.00 13.50 21.50 189.50 646.02 c 966.21 a 1740.50 9130.72
1910 1653.00 1573.00 663.50 477.00 384.00 125.50 11.50 51.00 206.50 441.00 1145.00 1518.45 c 8249.45
1911 1855.00 1356.50 921.00 633.00 192.50 31.00 46.00 83.50 218.50 671.00 1389.00 1453.50 8850.50
1912 2102.50 1457.50 1302.00 530.50 238.00 139.50 35.28 b 50.00 314.00 496.00 893.50 1293.39 d 8852.17
1913 1694.00 1515.00 1290.00 556.00 389.50 78.00 19.50 4.50 236.50 696.00 785.50 1236.00 8500.50
1914 1486.89 c 1654.00 1154.50 643.00 239.50 48.00 5.00 82.50 168.50 389.50 925.00 1777.50 8573.89
1915 1688.50 1183.50 1220.50 350.00 419.00 166.50 70.50 98.68 a 224.00 482.00 965.50 1433.50 8302.18
1916 1950.50 1676.00 1227.50 687.00 344.00 9.00 x 0.00 c 32.50 w 257.00 634.00 1003.50 865.50 m 7779.50
1917 1193.50 m 1741.00 1247.00 737.50 389.50 146.50 28.50 59.50 220.00 848.50 832.50 1830.00 8080.50
1918 1959.00 1401.00 860.00 695.00 220.50 56.50 13.00 23.50 354.50 470.50 899.00 1288.50 8241.00
1919 1340.00 1414.00 1124.50 605.50 292.00 58.00 0.00 64.50 268.50 861.50 1271.50 1714.00 9014.00
1920 1827.00 1423.00 1062.00 849.00 282.00 80.00 8.50 42.00 124.00 353.50 1023.50 1404.00 8478.50
1921 1396.00 1124.00 979.50 481.50 246.50 27.00 2.50 16.50 127.50 396.50 1247.00 1403.02 b 7447.52
1922 1612.00 1656.00 1086.50 553.50 122.93 b 6.50 18.00 5.50 130.50 451.50 864.00 1539.50 8046.43
1923 1603.22 a 1629.00 1338.00 647.00 253.50 42.32 b 0.00 45.50 120.00 574.00 838.00 1182.50 8273.04
1924 1776.50 1255.50 1085.53 b 590.00 446.00 111.50 36.68 a 39.50 250.00 354.00 1021.00 1784.10 b 8750.32
1925 1732.50 1278.00 953.25 a 438.00 339.50 124.50 30.50 11.22 b 124.50 707.50 0.00 z 0.00 z 5739.47
1926 1091.00 k 1224.00 1200.50 649.66 a 168.00 155.00 11.50 10.00 266.50 523.00 1174.14 a 1615.62 a 6997.91
1927 1591.50 1250.50 985.50 576.00 368.00 134.50 14.98 a 44.95 a 206.50 449.00 1158.00 1897.20 a 8676.63
1928 1566.00 1278.50 1001.82 a 788.00 184.00 123.00 0.00 41.00 252.00 556.00 928.50 1254.00 7972.82
1929 2021.00 1637.00 967.00 573.50 407.65 a 87.50 5.50 14.00 299.50 524.00 1134.50 1537.00 9208.15
1930 1883.00 1041.50 1058.00 494.46 b 288.62 b 67.50 16.50 6.00 204.00 619.00 947.50 1273.50 7899.58
1931 1227.50 950.00 1011.50 515.50 336.50 30.50 11.00 32.50 101.50 409.50 868.50 1236.00 6730.50
1932 1585.50 1355.00 1315.50 578.00 232.00 4.00 20.00 10.00 170.00 599.00 1117.24 a 1553.50 8539.74
1933 1379.00 1449.50 1037.50 635.50 267.50 16.50 0.50 22.00 71.00 605.00 1046.50 1544.00 8074.50
1934 1431.50 1261.00 1136.00 594.00 102.50 16.50 6.50 59.42 a 264.50 352.50 821.50 1506.00 7551.92
1935 1707.50 1037.50 951.00 675.00 364.00 105.50 0.00 52.50 148.00 550.00 1199.00 1515.00 8305.00
1936 2088.00 2043.50 1097.00 770.00 126.00 73.50 0.00 5.50 123.00 594.50 1113.00 1381.50 9415.50
1937 2020.00 1515.50 1206.00 674.00 182.38 a 86.00 2.00 1.50 183.00 622.00 1073.50 1598.00 9163.88
1938 1708.00 1369.50 923.50 553.50 325.50 54.00 0.00 0.00 124.00 312.50 1079.50 1376.00 7826.00
1939 1473.00 1615.50 1074.50 662.50 123.50 34.00 0.50 26.50 164.00 536.50 831.50 1141.00 7683.00
1940 1873.00 1357.00 1266.00 681.00 277.00 48.50 13.00 72.50 121.50 320.50 1195.00 1370.50 8595.50
1941 1539.50 1400.50 1119.00 457.00 150.50 88.00 22.50 21.00 177.50 475.00 915.00 1258.00 7623.50
1942 1395.00 1265.00 928.50 427.00 332.00 82.50 27.00 22.50 299.00 518.50 977.00 1609.00 7883.00
1943 1942.50 1366.50 1310.50 569.50 367.50 78.00 0.50 20.50 253.00 543.50 1077.50 1304.50 8834.00
1944 1223.00 1363.50 1295.50 718.00 225.00 58.00 4.00 43.50 152.50 474.00 911.00 1417.00 7885.00
1945 1612.52 a 1321.50 815.00 660.50 382.00 155.00 23.00 17.00 244.50 522.50 1059.50 1732.50 8545.52
1946 1626.00 1429.50 828.00 440.50 347.50 91.00 3.00 36.50 215.00 549.00 1058.50 1431.50 8056.00
1947 1344.00 1472.50 1145.00 707.50 382.00 100.00 13.00 8.50 207.00 286.00 1194.00 1561.50 8421.00
1948 1787.50 1539.50 1284.00 495.50 252.50 59.50 5.00 16.50 101.00 501.00 996.00 1506.50 8544.50
1949 1757.00 1519.50 1146.50 560.00 200.98 a 40.00 11.00 21.00 241.00 484.50 853.00 1494.00 8328.48
1950 1980.00 1385.00 1261.00 905.00 372.00 68.00 16.00 64.50 114.00 432.00 1159.00 1681.00 9437.50
1951 1829.00 1302.00 1482.50 728.00 166.50 115.50 15.00 37.00 278.50 580.50 1192.50 1627.50 9354.50
1952 1725.00 1287.50 1360.00 533.50 261.50 25.50 8.50 20.50 152.00 637.00 935.69 a 1386.00 8332.69
1953 1574.00 1319.50 1074.50 734.50 288.30 a 64.50 11.50 4.50 175.50 327.50 837.00 1521.67 b 7932.97
1954 1869.50 963.50 1167.50 606.00 419.02 a 55.50 6.50 12.00 203.00 584.00 837.00 1327.00 8050.52
1955 1591.50 1527.00 1226.00 365.00 131.00 54.50 0.00 9.50 201.00 494.50 1273.50 1755.50 8629.00
1956 1755.00 1575.00 1261.00 781.50 277.50 15.50 11.00 37.00 249.00 336.00 1003.00 1309.00 8610.50
1957 1791.50 1300.00 1120.00 622.00 325.00 53.79 a 0.00 30.50 221.90 a 542.00 968.00 1245.50 8220.19
1958 1376.50 1451.50 1076.00 570.00 189.00 148.00 37.00 35.00 154.00 455.00 975.50 1588.50 8056.00
1959 1761.00 1475.50 980.00 604.00 270.50 40.00 7.46 d 4.50 190.00 723.00 1261.50 1144.00 8461.46
1960 1642.50 1480.50 1499.00 656.00 270.50 74.00 18.50 16.00 213.00 512.00 939.50 1484.50 8806.00
1961 1579.50 1152.50 939.00 775.50 347.50 41.00 4.50 5.00 273.50 497.50 1000.00 1631.50 8247.00
1962 1752.50 1470.00 1272.50 709.00 200.00 63.50 26.50 11.88 a 255.50 460.00 845.50 1403.00 8469.88
1963 1874.50 1385.00 931.00 529.00 288.50 32.00 5.00 26.50 117.50 265.00 860.00 1674.50 7988.50
1964 1397.50 1231.50 1307.00 552.00 187.00 63.00 4.50 73.00 235.00 513.00 1019.00 1719.00 8301.50
1965 1860.00 1487.50 1501.00 664.00 210.00 23.50 5.50 37.50 441.00 423.00 1027.50 1219.33 a 8899.83
1966 1984.00 1470.50 951.50 775.00 363.00 61.50 0.50 76.00 225.50 545.50 1167.00 1526.50 9146.50
1967 1620.50 1630.50 1069.00 659.50 413.00 58.50 47.00 61.50 184.00 609.50 1047.00 1433.00 8833.00
1968 1636.00 1565.00 844.50 566.00 409.50 67.50 27.50 44.50 184.50 520.00 964.00 1612.00 a 8441.00
1969 1929.50 1402.50 1433.00 556.00 239.50 186.00 11.00 3.00 170.00 690.50 997.00 1500.00 9118.00
1970 1957.50 1453.00 1295.50 711.00 270.00 34.50 4.50 11.00 215.50 548.50 1069.50 1559.00 9129.50
1971 1878.50 1384.50 1118.50 565.00 324.50 27.50 40.00 40.50 203.50 465.50 1041.50 1557.00 8646.50
1972 1822.50 1623.00 1178.50 724.00 223.00 62.00 21.50 55.50 215.00 640.00 1047.00 1728.50 9340.50
1973 1528.00 1234.00 839.00 628.50 281.00 22.50 5.00 3.50 241.00 382.50 997.00 1568.00 7730.00
1974 1771.50 1390.00 1155.50 553.50 339.50 52.00 0.00 55.00 254.50 464.00 993.50 1332.00 8361.00
1975 1600.00 1481.50 1358.50 835.50 203.50 60.50 16.50 13.50 270.00 471.00 998.00 1504.00 8812.50
1976 1721.00 1160.00 1090.00 457.50 248.00 22.00 2.00 2.50 173.50 678.00 1186.50 1649.50 8390.50
1977 2040.50 1197.50 927.00 366.00 47.00 14.00 6.00 49.00 166.50 523.00 1104.50 1617.00 8058.00
1978 1941.00 1556.00 1136.50 641.00 203.50 49.50 10.00 20.50 116.00 494.00 1100.00 1629.50 8897.50
1979 2035.50 1715.50 1242.00 761.50 390.50 56.00 2.50 45.50 152.50 635.00 1043.00 1207.00 9286.50
1980 1551.50 1451.50 1212.50 484.50 183.50 33.00 0.00 24.00 197.50 660.50 881.00 1476.50 8156.00
1981 1527.50 1193.50 862.50 447.50 254.00 29.00 12.00 17.00 175.00 605.50 847.00 1583.00 7553.50
1982 2068.50 1387.00 1107.00 643.00 184.50 137.50 0.00 50.50 253.50 571.50 1133.50 1309.50 8846.00
1983 1488.50 1143.00 1056.50 705.00 311.50 83.50 4.50 0.00 240.00 604.50 1035.00 2080.50 8752.50
1984 1655.40 a 1107.18 a 1281.50 551.00 274.50 33.00 11.00 17.57 a 315.50 374.00 g 962.50 990.50 k 6209.15
1985 1673.50 1400.00 943.00 436.00 131.00 114.50 7.50 74.00 293.79 a 507.50 1324.50 1816.00 8721.29
1986 1483.50 1498.00 992.00 540.50 220.50 26.50 1.00 57.50 217.50 525.00 1144.50 1228.00 7934.50
1987 1327.50 934.00 911.50 340.00 136.00 33.00 10.00 57.00 185.50 678.00 900.00 1382.00 6894.50
1988 1811.00 1551.50 1041.00 588.10 a 99.50 7.00 2.50 43.50 212.50 712.50 1104.50 1467.50 8641.10
1989 1456.50 1686.50 1310.50 631.00 263.50 101.00 0.00 24.00 236.00 578.00 1172.50 1775.50 9235.00
1990 1261.00 1182.00 938.50 582.00 268.00 49.00 3.50 16.00 145.00 560.50 882.50 1593.50 7481.50
1991 1655.00 1090.00 1004.00 482.00 212.50 10.50 11.50 12.00 223.00 579.00 1254.00 1368.50 7902.00
1992 1349.50 1108.00 942.50 688.00 201.00 85.00 73.50 101.50 195.50 584.50 1110.00 1559.00 7998.00
1993 1709.50 1457.50 1173.00 642.00 242.00 93.00 9.00 26.50 299.50 595.50 1103.00 1450.00 8800.50
1994 2019.00 1576.50 970.00 559.50 153.50 18.50 4.50 68.50 142.50 439.00 860.00 1333.00 8144.50
1995 1491.00 1300.00 1006.50 699.00 266.50 38.00 6.50 3.00 208.50 573.50 1130.00 1474.00 8196.50
1996 1859.00 1395.50 1266.50 700.00 347.00 20.00 5.00 9.00 234.00 516.00 1315.00 1755.50 9422.50
1997 1827.50 1331.50 1211.00 675.50 356.50 0.00 28.00 35.50 110.00 462.00 1150.50 1189.50 8377.50
1998 1530.50 998.00 1130.00 450.00 104.00 96.00 3.50 3.00 85.00 437.00 923.50 1255.50 7016.00
1999 1694.00 1040.00 923.00 499.00 174.50 65.50 0.00 10.50 184.50 491.00 717.50 1197.50 6997.00
2000 1589.50 1100.00 733.50 549.50 134.00 78.00 13.50 14.50 153.50 418.00 1100.50 1900.50 7785.00
2001 1442.50 1603.00 1241.00 548.00 168.50 35.00 4.00 10.00 0.00 z 480.50 628.50 1308.50 7469.50
2002 1327.50 1040.00 1414.50 596.50 341.00 12.50 5.00 24.00 125.00 772.00 999.50 1253.50 7911.00
2003 1574.00 1437.50 1063.50 513.00 250.00 39.00 1.00 11.00 176.00 450.50 1064.00 1285.00 7864.50
2004 1674.00 1299.50 855.00 502.50 263.00 73.50 20.50 77.00 84.50 482.00 827.50 1323.50 7482.50
2005 1599.00 1118.00 1016.00 417.50 270.50 3.50 8.50 29.00 62.00 465.50 900.50 1493.50 7383.50
2006 1202.00 1372.50 1005.50 375.00 212.50 26.50 0.00 4.00 221.50 618.50 886.00 1148.50 7072.50
2007 1435.00 1489.50 904.00 622.00 96.00 14.50 1.50 17.00 122.00 372.00 914.00 1585.00 7572.50
2008 1633.50 1466.00 1130.50 634.50 246.50 24.50 3.00 8.00 127.00 487.50 939.50 1662.00 8362.50
2009 1791.50 1312.00 1077.00 567.00 210.50 81.00 19.50 29.00 61.00 680.50 723.50 1573.50 8126.00
2010 1703.50 1470.50 859.00 325.50 243.50 12.00 0.00 2.00 156.50 392.00 934.50 1616.50 7715.50
2011 1785.00 1408.00 1250.00 592.00 238.50 30.00 0.00 0.00 170.00 374.00 861.50 1134.00 7843.00
2012 1287.50 1113.50 599.50 420.00 128.00 14.50 0.00 19.00 166.00 540.50 866.50 1449.50 6604.50
2013 1558.00 1390.50 1315.50 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 4264.00
Period of Record Statistics
MEAN 1672.35 1389.77 1112.12 593.96 261.70 64.74 12.44 30.88 196.15 528.88 1019.49 1484.47 8349.59
S.D. 214.96 194.32 182.08 120.49 89.03 42.24 13.87 24.58 66.54 113.45 150.90 187.36 625.96
SKEW -0.07 -0.05 0.01 0.07 0.20 0.73 1.88 0.78 0.36 0.16 0.25 0.29 -0.43
MAX 2102.50 2043.50 1547.50 905.00 547.00 186.00 73.50 101.50 441.00 861.50 1491.00 2080.50 9437.50
MIN 1202.00 934.00 599.50 325.50 47.00 0.00 0.00 0.00 61.00 265.00 628.50 1134.00 6604.50
NO YRS 118 120 120 119 119 117 119 118 116 118 118 115 109