MORRIS WC EXP STN, MINNESOTA

Monthly Total Heating Degree Days

(215638)

Base Temperature = 65 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1886 2156.00 1543.50 1172.00 514.00 210.00 49.00 0.00 42.50 264.00 459.32 a 1200.00 1931.50 9541.82
1887 2267.00 1798.00 1249.50 651.50 142.00 48.00 8.00 84.00 233.50 758.00 1081.50 1745.50 10066.50
1888 2223.50 1698.00 1611.48 a 780.50 474.50 70.50 1.00 55.00 191.00 645.32 a 1000.00 1337.50 10088.30
1889 1645.50 1669.63 a 964.50 505.50 311.00 60.50 19.00 14.00 272.00 634.50 1143.00 1295.00 8534.13
1890 1903.40 a 1507.50 1373.50 490.50 442.50 20.50 9.00 99.50 238.00 623.50 992.00 1339.00 9038.90
1891 1457.00 1637.00 1468.37 a 551.00 243.50 98.50 60.50 83.70 a 97.00 578.50 1311.00 1302.00 8888.07
1892 1847.50 1429.50 1161.50 749.00 482.50 74.00 11.50 20.50 135.50 468.00 1175.00 1672.00 9226.50
1893 2040.50 1716.00 1468.50 893.50 341.50 21.72 a 1.50 46.00 251.00 670.50 1158.00 1747.00 10355.72
1894 1905.50 1463.00 1071.50 556.50 238.50 13.45 a 4.50 9.00 205.00 574.00 1181.50 1288.00 8510.45
1895 1974.00 1642.50 1195.00 372.50 246.00 63.50 29.50 34.00 200.50 683.00 1132.00 1468.50 9041.00
1896 1658.50 1349.00 1439.50 595.00 197.50 42.50 21.50 51.50 289.00 693.50 1476.50 1420.00 9234.00
1897 1861.00 1451.50 1470.50 631.00 273.00 152.50 6.72 a 47.50 82.00 469.50 1157.50 1626.50 9229.22
1898 1393.50 1363.50 1103.00 608.00 284.00 44.00 15.00 28.00 198.50 695.50 1151.50 1582.00 8466.50
1899 1673.00 1672.00 1523.50 602.50 329.63 a 29.00 5.00 16.50 249.00 526.50 762.50 1460.50 8849.63
1900 1433.50 1616.50 1241.50 434.00 210.00 55.00 13.50 0.00 211.50 291.50 1216.00 1463.00 8186.00
1901 1633.00 1522.50 1127.50 501.00 213.00 88.50 0.00 14.50 230.50 454.50 1133.50 1605.50 8524.00
1902 1493.50 1363.50 959.50 662.00 224.50 127.50 16.00 65.50 321.00 557.50 996.00 1666.00 8452.50
1903 1671.00 1569.50 1122.50 612.00 254.00 101.00 51.00 89.00 317.59 a 527.00 1139.50 1692.50 9146.59
1904 1832.00 1790.00 1272.00 776.00 294.00 110.50 25.00 90.50 263.50 545.00 881.00 1492.50 9372.00
1905 1928.50 1560.50 980.50 707.50 411.50 112.00 37.50 21.00 146.50 711.97 a 953.50 1421.00 8991.97
1906 1523.50 1408.50 1376.50 478.00 323.50 71.00 22.00 31.50 114.00 596.23 a 1086.00 1555.50 8586.23
1907 1970.50 1406.00 1138.50 897.50 592.50 102.50 5.00 33.00 266.50 603.00 1000.50 1366.50 9382.00
1908 1485.00 1398.50 1236.50 568.50 324.50 99.00 13.90 b 51.50 147.00 565.00 926.50 1461.50 8277.40
1909 1716.50 1437.00 1184.00 847.00 322.00 56.38 a 9.50 15.00 178.00 621.00 974.50 1714.00 9074.88
1910 1640.50 1615.00 685.50 518.50 374.00 111.00 7.50 53.50 225.50 441.00 1171.00 1527.50 8370.50
1911 1900.00 1415.00 950.00 673.00 187.00 28.00 35.00 73.50 239.48 a 675.00 1378.50 1445.00 8999.48
1912 2175.50 1515.00 1322.50 559.14 a 244.00 120.00 32.00 45.00 329.50 536.00 935.00 1353.15 a 9166.79
1913 1783.00 1528.50 1317.50 548.50 394.50 72.00 15.50 4.50 247.50 715.00 831.50 1199.18 a 8657.18
1914 1498.00 1707.50 1175.00 680.00 246.00 56.50 3.00 72.16 b 188.50 425.00 940.50 1791.00 8783.16
1915 1770.00 1216.00 1219.00 369.00 446.92 a 177.00 63.00 93.00 244.00 533.00 1011.50 1440.98 a 8583.40
1916 2029.50 1730.50 1324.00 752.50 365.00 183.50 0.00 59.86 b 283.50 687.17 a 1020.50 1820.50 10256.53
1917 1979.50 1797.50 1167.15 a 706.00 377.00 148.50 28.50 61.48 a 221.90 a 897.00 879.83 a 1865.50 10129.86
1918 1973.50 1355.00 817.00 671.11 c 256.02 b 57.12 d 8.50 23.25 a 317.00 503.00 936.72 a 1447.00 8365.22
1919 530.00 p 1038.00 i 0.00 z 0.00 z 161.00 w 30.00 0.00 z 0.00 z 0.00 z 789.93 d 1229.00 1664.00 3712.93
1920 1804.00 1420.50 1109.28 a 839.50 259.50 99.00 3.00 24.00 115.50 371.00 1010.50 1430.00 8485.78
1921 1418.50 1137.50 949.00 463.97 a 262.98 a 49.50 3.50 29.50 186.00 575.50 1279.00 1455.50 7810.45
1922 1702.42 a 1677.50 1082.50 568.00 124.50 23.00 25.00 6.00 143.50 446.40 a 825.50 1587.20 a 8211.52
1923 1617.00 1601.00 1340.00 646.50 235.71 b 42.50 1.00 43.00 118.50 497.03 a 807.50 1195.00 8144.74
1924 1819.00 1228.50 1141.50 640.50 499.50 123.00 34.00 46.50 239.00 339.50 1052.00 1825.00 8988.00
1925 1751.00 1283.00 962.00 415.86 a 397.50 116.00 37.00 8.50 143.00 908.50 1037.00 1558.27 a 8617.63
1926 1535.50 1225.50 1237.00 670.00 225.00 186.00 9.50 6.00 297.00 609.00 1200.00 1644.50 8845.00
1927 1599.60 a 1261.00 994.50 588.00 369.50 124.50 37.50 66.00 220.00 445.00 1157.59 a 1949.50 8812.69
1928 1577.00 1323.00 1035.50 809.50 172.50 119.50 6.50 44.50 274.00 552.66 b 917.50 1280.00 8112.16
1929 2040.00 1670.00 972.50 573.50 397.50 90.00 11.50 21.50 292.00 536.50 1169.50 1568.00 9342.50
1930 1889.50 1080.59 a 1067.50 477.00 227.50 32.07 a 2.00 1.50 125.36 b 515.50 923.50 1331.50 7673.52
1931 1241.03 a 986.50 1093.50 553.97 a 324.50 33.00 9.50 46.50 109.00 443.62 b 891.00 1279.50 7011.62
1932 1596.00 1399.00 1412.10 b 608.00 248.00 10.00 18.60 a 14.50 219.00 619.00 1129.50 1582.50 8856.20
1933 1434.50 1492.50 1071.00 637.50 262.50 13.50 2.07 a 21.18 a 78.50 622.58 a 1113.00 1601.00 8349.83
1934 1515.50 1286.50 1172.00 612.41 a 119.50 13.00 2.00 66.13 a 274.50 377.00 862.50 1596.50 a 7897.55
1935 1835.20 a 1073.00 968.75 a 699.31 a 358.00 106.00 0.00 59.00 170.00 572.50 1252.00 1538.50 8632.26
1936 2140.00 2074.50 1147.50 789.00 162.50 75.00 0.50 12.00 158.28 a 650.50 1152.50 1459.50 9821.78
1937 2086.00 1572.50 1217.00 743.28 a 262.98 a 114.50 4.50 1.50 214.50 629.30 a 1061.00 1646.50 9553.56
1938 1744.50 1363.50 803.42 a 636.00 368.50 61.00 2.07 a 5.17 a 139.00 331.50 1074.50 1392.50 7921.65
1939 1517.50 1661.00 1113.50 716.50 146.00 49.50 7.00 37.00 216.00 574.50 446.00 n 1190.50 7229.00
1940 1889.00 1385.00 1322.50 736.00 309.50 58.00 7.00 86.50 155.00 359.00 1188.00 1410.50 8906.00
1941 1575.00 1456.00 1125.50 502.50 188.50 92.50 28.00 31.50 208.00 503.00 916.00 1279.00 7905.50
1942 1417.00 1305.50 921.00 534.00 396.50 133.00 26.00 31.50 341.50 529.00 1019.50 1663.50 8318.00
1943 2017.50 1417.00 1379.50 610.00 399.00 94.50 6.00 26.50 288.00 495.50 1069.50 1321.00 9124.00
1944 1216.50 1395.50 1291.00 735.00 252.00 72.00 20.50 58.50 201.50 451.50 887.50 1449.00 8030.50
1945 1606.00 1422.81 a 952.50 665.00 424.00 162.00 39.00 19.50 261.50 531.50 1049.50 1731.50 8864.81
1946 1631.50 1457.00 842.00 490.50 375.00 88.00 4.00 50.50 251.50 549.00 1048.50 1493.50 8281.00
1947 1381.00 1514.00 1184.00 747.00 422.00 117.00 22.00 9.50 247.00 287.00 1223.00 1614.00 8767.50
1948 1836.50 1594.50 1327.00 559.50 283.50 71.50 14.00 31.50 121.50 508.00 996.00 1548.97 a 8892.47
1949 1750.00 1530.85 b 1181.00 664.04 d 228.00 51.00 27.50 13.95 a 323.00 499.10 a 870.00 1526.00 8664.44
1950 1998.00 1453.50 1297.50 963.00 422.00 58.97 a 28.00 85.00 146.00 399.00 1168.00 1730.83 a 9749.80
1951 1854.50 1378.00 1509.00 774.00 194.00 147.50 19.00 42.00 300.00 a 568.50 1202.07 a 1646.50 9635.07
1952 1766.00 1325.00 1368.00 572.50 264.00 49.00 10.50 31.50 174.83 a 613.50 905.69 a 1354.00 8434.52
1953 1590.50 1359.56 a 1072.00 746.00 326.50 71.00 17.50 3.50 180.52 a 300.00 831.50 1483.35 a 7981.92
1954 1919.50 1008.50 1175.00 673.50 437.50 65.50 14.98 a 14.50 202.50 584.87 a 792.00 1351.60 a 8239.95
1955 1588.50 1506.50 1264.00 381.50 160.50 69.50 0.52 a 8.00 214.50 465.50 1316.00 1860.52 a 8835.53
1956 1819.50 1681.50 1338.68 a 825.00 304.00 28.50 23.50 34.00 262.50 387.50 1055.00 1411.00 9170.68
1957 1865.00 1388.00 1174.00 667.00 338.00 66.00 0.50 41.50 260.50 576.50 1029.31 a 1343.50 8749.81
1958 1490.00 1540.50 1103.00 608.50 249.00 182.00 49.00 49.00 169.50 492.00 990.50 1656.00 8579.00
1959 1830.00 1555.00 1032.50 650.00 290.00 52.00 23.77 a 8.00 199.00 758.47 a 1311.00 1177.50 8887.23
1960 1725.67 a 1483.00 1552.50 690.00 284.00 88.50 22.50 9.00 217.50 530.00 988.00 1600.00 9190.67
1961 1685.50 1217.50 959.50 843.50 379.50 55.56 c 9.00 9.50 271.00 523.50 1039.50 1688.00 8681.56
1962 1813.50 1542.00 1342.50 771.00 238.00 87.93 a 31.52 a 11.00 275.00 457.00 893.00 1471.50 8933.95
1963 1952.00 1522.50 1062.00 574.00 346.50 44.50 7.00 33.50 132.50 255.50 893.00 1774.50 8597.50
1964 1481.50 1330.00 1404.50 632.00 197.00 92.00 1.00 86.00 274.00 558.50 1042.50 1781.00 8880.00
1965 1924.50 1643.00 1579.00 723.00 254.50 36.00 11.00 47.50 452.50 497.50 1085.00 1295.00 9548.50
1966 2092.50 1548.50 1031.50 810.50 427.00 72.00 0.00 76.50 205.50 616.00 1219.00 1613.50 9712.50
1967 1717.50 1707.00 1180.50 727.50 464.00 73.50 52.00 63.00 198.00 647.50 1051.50 1457.00 9339.00
1968 1755.00 1591.50 919.50 622.00 413.00 75.00 36.00 59.00 213.00 573.50 989.50 1631.00 8878.00
1969 1995.00 1448.00 1521.00 624.50 293.50 200.50 24.00 10.50 190.50 699.50 1035.00 1482.00 9524.00
1970 2004.50 1504.00 1357.00 752.00 348.50 50.00 16.50 19.50 252.00 595.50 1129.00 1629.00 9657.50
1971 1934.00 1479.00 1196.50 607.50 356.00 39.00 61.50 38.00 246.50 503.50 1075.00 1642.00 9178.50
1972 1917.00 1733.00 1256.00 759.50 254.00 72.00 26.50 68.00 273.00 706.00 1093.00 1810.50 9968.50
1973 1646.00 1342.50 886.00 667.00 328.50 41.50 8.00 9.00 280.00 422.00 1024.50 1628.00 8283.00
1974 1890.00 1487.50 1277.50 654.00 427.50 91.50 7.50 82.50 333.62 a 563.50 1004.50 1360.00 9179.62
1975 1668.00 1586.50 1482.00 896.00 238.00 96.50 16.50 28.50 297.50 530.50 995.00 1563.00 9398.00
1976 1796.00 1213.00 1209.50 489.00 296.00 42.50 0.00 z 14.00 246.50 765.00 1241.50 1730.00 9043.00
1977 2153.50 1315.00 1027.00 453.00 68.00 25.50 8.50 74.50 198.50 609.00 1144.50 1698.00 8775.00
1978 2025.50 1658.50 1248.00 702.00 242.50 91.50 24.00 32.50 0.00 z 597.00 1141.50 1693.00 9456.00
1979 2129.50 1842.00 1362.50 831.00 457.00 97.50 18.00 75.00 198.00 650.00 1088.50 1318.00 10067.00
1980 1672.50 1539.00 1335.50 535.00 223.00 65.00 13.00 38.00 265.50 669.00 926.50 1543.50 8825.50
1981 1617.00 1262.50 930.50 530.00 327.50 79.00 14.00 36.50 220.00 647.00 873.50 1640.50 8178.00
1982 2190.00 1556.00 1257.50 739.00 216.00 170.50 9.00 73.00 280.50 618.50 1181.00 1340.00 9631.00
1983 1510.00 1199.00 1060.00 727.50 373.00 91.00 11.00 0.50 239.00 0.00 z 998.00 2055.00 8264.00
1984 1714.50 1167.50 1351.00 587.50 361.00 53.00 19.00 21.50 365.00 553.50 1035.00 1611.50 8840.00
1985 1856.00 1538.00 977.50 512.00 175.50 150.00 21.50 90.50 312.93 a 677.00 1375.50 1876.02 a 9562.45
1986 1587.50 1541.00 1125.50 613.50 284.50 47.50 6.00 95.50 283.00 603.50 1234.50 1315.00 8737.00
1987 1463.00 996.50 1016.00 429.00 171.50 53.00 15.50 82.50 199.00 723.50 899.50 1369.50 7418.50
1988 1841.50 1620.50 1083.00 642.50 110.50 10.00 3.00 31.00 229.50 727.50 1118.00 1511.50 8928.50
1989 1529.00 1741.50 1350.00 688.00 287.00 110.00 0.00 23.00 224.50 571.50 1180.00 1788.00 9492.50
1990 1317.00 1309.00 1045.00 661.00 339.50 65.00 20.00 34.00 184.00 645.50 952.50 1624.00 8196.50
1991 1770.50 1207.00 1088.50 555.00 245.50 23.50 10.00 12.50 247.00 677.50 1271.50 1460.00 8568.50
1992 1433.00 1169.00 1008.50 760.50 219.50 106.50 94.00 105.50 249.50 622.50 1145.50 1592.50 8506.50
1993 1785.50 1523.00 1274.50 662.00 277.50 126.50 19.00 30.50 357.50 655.50 1160.50 1555.00 9427.00
1994 2092.50 1677.50 1102.00 633.00 221.50 26.00 14.00 60.00 146.00 485.50 912.50 1413.50 8784.00
1995 1639.00 1418.00 1125.50 796.00 318.00 44.00 23.00 7.50 240.50 634.00 1253.50 1540.00 9039.00
1996 1977.00 1529.00 1388.00 795.50 364.00 54.50 16.00 12.00 224.00 566.50 1353.50 1772.00 10052.00
1997 1909.50 1423.00 1332.00 761.50 400.00 3.50 40.50 43.00 116.50 514.00 1184.50 1245.00 8973.00
1998 1644.00 1053.50 1162.00 487.50 115.50 108.00 7.50 0.50 88.00 484.50 976.50 1313.00 7440.50
1999 1780.00 1132.00 1025.00 584.00 211.50 73.50 3.50 13.50 224.50 608.50 777.00 1297.50 7730.50
2000 1679.00 1266.50 828.00 641.50 199.00 102.00 30.50 11.00 229.50 491.50 1139.00 1950.50 8568.00
2001 1560.50 1714.00 1410.00 673.00 210.50 62.50 9.00 18.00 202.50 616.00 686.00 1344.00 8506.00
2002 1436.00 1136.00 1486.50 729.50 426.50 30.50 7.50 35.50 0.00 z 800.50 1090.00 1339.50 8518.00
2003 1666.00 1514.50 1195.50 578.00 286.50 55.00 6.50 14.50 238.00 506.50 1169.00 1357.50 8587.50
2004 1807.50 1461.00 992.00 576.50 380.50 114.50 40.50 127.00 132.00 538.00 913.00 1420.50 8503.00
2005 1790.50 1253.00 1144.50 508.00 363.50 12.00 21.00 49.50 123.00 506.00 968.00 1554.50 8293.50
2006 1304.50 1521.00 1126.00 493.50 282.00 36.50 5.50 13.00 268.50 683.00 1007.50 1253.00 7994.00
2007 1553.00 1627.00 1049.00 721.50 193.00 27.00 14.00 45.50 206.50 489.50 1032.00 1714.50 8672.50
2008 1833.50 1654.50 1319.00 767.50 355.00 79.50 7.50 14.00 192.00 601.00 1011.00 1800.00 9634.50
2009 1988.50 1478.00 1233.80 a 708.00 313.00 122.00 41.50 65.00 96.50 790.50 812.00 1645.00 9293.80
2010 1755.00 1571.00 991.00 422.50 307.00 41.00 1.00 19.50 266.00 503.00 1030.50 1689.00 8596.50
2011 1889.50 1534.00 1390.00 708.00 358.50 74.50 0.00 11.50 238.00 477.00 971.50 1266.00 8918.50
2012 1426.00 1258.00 773.00 558.00 217.50 34.50 0.00 49.50 243.50 684.00 1007.50 1525.50 7777.00
2013 1667.50 1528.50 1498.50 43.50 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 4694.50
Period of Record Statistics
MEAN 1750.71 1462.19 1180.85 641.82 296.91 75.82 16.82 38.87 222.00 565.89 1056.87 1535.10 8834.31
S.D. 225.80 194.07 188.77 121.03 94.69 42.67 15.86 28.15 66.40 118.63 144.74 187.62 637.66
SKEW 0.00 -0.18 0.00 0.03 0.21 0.72 1.71 0.70 0.10 0.00 0.13 0.26 0.04
MAX 2267.00 2074.50 1611.48 963.00 592.50 200.50 94.00 127.00 452.50 908.50 1476.50 2055.00 10355.72
MIN 1216.50 986.50 685.50 369.00 68.00 3.50 0.00 0.00 78.50 255.50 686.00 1177.50 7011.62
NO YRS 127 127 127 126 126 127 125 126 124 126 126 127 121