MC LEOD 3 E, NORTH DAKOTA

Monthly Total Heating Degree Days

(325754)

Base Temperature = 65 F

File last updated on Apr 4, 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
1912 0.00 z 0.00 z 0.00 z 582.50 251.00 164.00 27.00 65.50 0.00 z 0.00 z 0.00 z 0.00 z 1090.00
1913 1894.10 a 1522.89 a 1405.50 494.00 424.50 69.50 37.00 13.29 c 252.93 a 746.00 907.00 1268.50 9035.21
1914 1523.50 1779.50 1178.00 681.00 258.00 64.00 5.50 61.00 142.24 a 210.59 b 673.89 c 1667.50 8244.72
1915 1681.75 c 1305.00 1445.50 552.00 546.50 155.00 75.50 62.50 250.50 492.50 1038.00 1460.50 9065.25
1916 2086.00 1679.50 1240.50 682.00 340.00 129.00 0.00 54.50 236.00 637.50 179.50 u 0.00 z 7085.00
1917 2013.28 d 1784.50 1247.50 752.00 366.00 125.00 c 27.00 70.50 254.00 870.00 850.00 1866.50 10226.28
1918 1933.07 c 1398.88 c 869.50 636.50 307.50 81.00 47.50 16.50 384.50 475.50 974.50 1413.50 8538.45
1919 1458.00 1464.50 1267.00 612.00 298.50 85.00 2.00 59.50 0.00 z 903.50 1388.28 a 1736.50 9274.78
1920 1903.50 1477.50 1153.00 920.00 332.00 111.96 b 18.50 33.50 140.50 400.00 1100.50 1445.50 9036.46
1921 1479.22 a 1185.50 1134.00 644.00 291.00 49.50 3.00 27.50 167.00 476.00 1287.50 1403.86 c 8148.07
1922 1712.50 1723.00 1143.50 638.00 187.00 37.50 30.00 9.50 178.50 503.50 902.00 1681.00 8746.00
1923 1676.50 1657.50 1350.00 634.00 326.00 57.00 0.00 61.00 151.00 596.00 792.50 1295.00 8596.50
1924 1874.00 1288.00 1122.00 628.00 516.00 175.50 60.50 32.00 165.50 303.00 845.69 a 1838.50 8848.69
1925 1716.50 1296.00 1033.50 480.00 352.50 82.24 a 29.50 8.00 163.00 850.50 1030.00 1436.00 8477.74
1926 1452.00 1197.00 1158.50 600.00 195.50 95.17 a 9.00 20.00 260.00 610.00 1218.50 1664.00 8479.67
1927 1606.50 1361.50 976.00 557.00 369.00 89.00 15.50 62.00 a 241.50 474.50 1191.50 1962.00 8906.00
1928 1577.90 a 1317.00 1049.87 a 761.50 195.00 143.00 12.50 54.50 300.50 558.00 973.00 1289.00 8231.77
1929 2071.00 1680.00 a 955.00 565.34 a 476.00 108.50 12.40 a 41.50 285.50 485.50 1242.00 1550.00 9472.74
1930 1993.30 a 1125.00 1122.50 556.00 364.00 56.00 7.00 19.00 209.50 667.00 1016.50 1393.00 8528.80
1931 1330.50 1061.93 a 1105.50 520.00 385.00 56.50 12.50 48.00 104.50 430.00 957.50 1381.50 7393.43
1932 1645.50 1442.00 1330.50 603.50 224.50 14.50 36.50 23.50 220.00 721.00 1124.50 1608.00 8994.00
1933 1648.17 a 1571.00 1102.50 690.00 297.50 17.00 10.00 22.00 139.00 656.50 1077.00 1705.50 8936.17
1934 1519.00 1280.00 1111.50 579.50 89.00 30.00 9.50 73.50 292.50 474.50 872.00 1625.50 7956.50
1935 1933.88 a 1070.00 1067.50 746.38 a 57.00 s 148.50 0.00 a 62.00 213.00 604.50 a 1451.50 1653.33 a 8950.60
1936 2214.00 2156.36 a 1201.50 776.00 101.50 40.50 0.00 18.00 152.00 690.50 1092.00 1491.00 9933.36
1937 2152.50 1587.50 1206.50 737.50 306.50 122.50 7.00 3.00 208.97 a 600.00 1116.50 1629.57 a 9678.03
1938 1775.50 1502.50 910.00 644.50 361.00 73.00 4.50 23.50 162.50 401.00 1158.00 1423.00 8439.00
1939 1556.00 1786.81 a 1168.50 759.00 121.93 a 79.66 a 6.50 17.00 156.21 a 641.18 a 876.50 1136.00 8305.29
1940 1868.00 1411.00 1273.50 720.50 302.00 61.00 0.00 52.00 132.00 353.50 1185.50 1403.00 8762.00
1941 1625.00 1479.85 a 1190.00 475.71 b 124.00 90.00 38.50 31.50 205.50 552.00 1014.50 1299.50 8126.07
1942 1391.50 1406.50 1030.23 a 618.00 362.50 181.03 a 28.50 21.50 352.00 613.59 b 1041.50 1705.50 8752.35
1943 2007.50 1439.50 1473.00 593.00 451.50 143.04 b 0.00 7.00 234.50 537.50 0.00 z 1395.50 8282.04
1944 1338.00 1443.56 b 1366.50 762.00 226.82 a 24.50 15.50 37.00 215.50 464.47 b 917.68 b 1535.50 8347.02
1945 1581.50 1387.50 928.50 704.50 447.50 160.71 b 33.50 3.62 a 245.50 538.50 1106.50 1706.72 d 8844.55
1946 1779.50 1541.00 879.00 528.50 427.00 104.50 11.00 42.00 259.00 677.50 1102.00 1627.00 8978.00
1947 1423.00 1507.85 a 1202.50 773.00 435.50 123.50 0.00 z 0.00 z 111.50 w 288.50 1260.00 1652.00 8665.85
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4.00 21.00 98.00 493.00 1014.00 1510.00 3140.00
1949 1861.50 1681.50 1222.95 a 504.83 a 197.88 a 61.00 13.00 9.50 160.50 546.93 c 826.00 1651.50 8737.09
1950 2202.50 1568.00 1303.00 887.00 401.00 64.00 15.50 b 65.50 186.35 d 500.77 e 1188.46 d 1762.50 10144.58
1951 1946.00 1447.60 c 1526.23 a 697.00 197.00 149.00 34.00 60.50 284.00 621.00 1297.24 a 1830.50 10090.08
1952 1925.74 b 1097.50 g 1397.58 a 544.50 281.67 b 42.78 c 8.50 26.50 129.31 a 642.14 c 1031.54 d 1427.50 7457.77
1953 1640.13 d 1305.63 a 1082.33 b 761.90 a 217.50 i 100.86 a 18.60 a 6.20 a 204.83 a 362.50 869.00 1486.50 7838.47
1954 1985.11 c 955.11 a 1191.90 b 676.11 c 438.13 a 92.68 b 16.00 17.10 b 215.00 579.00 858.62 a 1357.05 b 8381.81
1955 1640.50 813.50 n 813.00 k 380.17 a 160.34 b 104.00 2.00 0.00 z 217.00 488.25 a 1402.50 b 1831.77 c 6226.54
1956 1752.50 1690.50 1351.17 b 680.50 f 320.00 15.50 13.29 c 34.00 229.66 a 397.50 1013.79 a 1412.80 d 8230.70
1957 1880.67 a 1374.07 a 1113.00 629.46 b 296.16 c 64.66 a 0.00 a 17.64 b 267.00 578.50 1043.79 a 1294.00 8558.95
1958 1450.50 1439.00 1063.50 578.00 226.09 b 109.50 i 45.95 c 37.72 a 167.50 493.33 b 1027.50 1634.50 8163.58
1959 1813.00 1519.50 991.00 612.41 a 324.00 47.50 5.50 8.78 a 214.00 755.00 1304.50 1194.00 8789.20
1960 1724.00 1555.00 1521.50 680.50 273.50 80.00 17.00 12.50 221.00 483.00 1013.50 1669.50 9251.00
1961 1719.00 1285.50 908.50 781.50 367.00 38.50 8.50 6.00 270.50 502.00 1025.00 1705.00 8617.00
1962 1840.00 1588.00 1293.50 712.00 263.00 64.50 12.50 10.50 248.00 437.00 883.50 1465.27 a 8817.77
1963 1903.50 1431.00 939.00 537.12 d 309.50 39.00 2.00 15.50 120.00 247.00 897.50 1748.00 8189.12
1964 1526.00 1283.00 1346.50 575.00 202.50 72.50 3.00 67.00 274.00 538.00 1053.50 1843.00 8784.00
1965 1995.50 1578.50 1486.00 672.50 271.00 47.50 10.00 56.00 467.00 457.50 1075.00 1332.50 9449.00
1966 2130.00 1587.50 1046.50 817.00 389.50 76.50 0.00 77.00 212.00 565.00 1196.50 1566.50 9664.00
1967 1679.00 1607.50 1076.50 718.00 419.50 79.00 37.00 50.50 163.50 599.50 1047.00 1515.50 8992.50
1968 1739.00 1548.00 891.50 611.50 383.00 70.50 18.50 49.00 193.50 547.50 1013.00 1725.00 8790.00
1969 2032.50 1443.00 1484.50 615.00 275.50 181.00 10.50 1.50 183.00 708.50 993.50 1514.50 9443.00
1970 1996.50 1474.50 1401.00 699.50 316.00 37.00 5.50 14.50 205.50 561.00 1141.00 1668.50 9520.50
1971 1978.00 1492.50 1159.00 554.00 302.50 28.50 36.00 26.00 210.50 508.50 353.00 u 1679.50 7975.00
1972 1932.50 1727.50 1241.00 710.00 235.50 65.50 23.00 39.00 212.07 a 665.50 1096.00 1849.50 9797.07
1973 1611.00 1280.50 876.50 633.50 270.00 45.50 17.50 2.50 258.00 410.50 1119.50 1660.00 8185.00
1974 1911.00 1449.50 1268.50 630.00 375.00 51.00 0.50 43.92 a 284.00 517.00 1010.50 1306.50 8847.42
1975 1604.00 1522.00 1407.00 889.00 241.50 70.50 8.50 15.50 271.50 465.00 968.50 1479.50 8942.50
1976 1723.00 1174.50 1174.00 506.00 242.00 44.50 4.00 8.00 209.46 b 711.00 1206.50 1723.50 8726.46
1977 2072.00 1228.50 955.00 430.00 71.00 23.00 6.00 67.50 199.50 534.00 1156.50 1739.50 8482.50
1978 2020.00 1638.00 1221.00 655.50 201.00 77.00 12.00 25.50 137.50 517.00 1220.00 1697.00 9421.50
1979 2099.50 1829.50 1319.50 839.50 437.50 71.00 6.00 52.50 133.50 609.15 a 1167.50 1253.00 9818.15
1980 1702.00 1534.00 1336.50 460.00 187.00 30.00 2.00 29.00 208.39 b 615.00 872.00 1440.35 d 8416.25
1981 1497.09 b 1191.00 906.23 a 487.50 235.08 a 52.50 5.50 11.50 200.17 a 606.10 b 862.00 1686.50 7741.18
1982 2214.50 1534.00 1252.00 698.50 213.00 141.00 0.00 50.50 235.50 562.50 1204.50 1308.50 9414.50
1983 1431.00 1138.00 1083.00 733.50 368.50 84.00 10.50 1.50 235.00 615.00 1017.00 2043.50 8760.50
1984 1679.00 1155.00 1295.50 600.50 315.50 39.50 16.00 18.00 299.50 510.00 975.00 1689.00 8592.50
1985 1826.42 a 1500.50 998.50 478.00 143.50 139.00 4.50 76.00 316.50 616.50 1434.50 1892.03 a 9425.95
1986 1568.50 1525.50 977.50 622.00 256.50 35.50 0.00 55.50 231.50 545.50 1200.50 1293.00 8311.50
1987 1386.50 1012.50 1020.00 392.00 118.50 20.50 11.00 60.00 167.50 646.00 938.00 1347.00 7119.50
1988 1820.00 1597.07 a 1032.50 595.00 117.00 5.50 1.50 31.00 200.00 664.00 1131.00 1496.50 8691.07
1989 1624.50 1736.50 1383.00 650.50 207.50 72.00 0.00 17.50 201.50 563.00 1182.00 1818.50 9456.50
1990 1291.50 1252.00 976.50 641.00 286.00 55.50 9.50 12.00 154.00 577.50 940.00 1626.50 7822.00
1991 1773.00 1168.00 1057.50 499.50 205.50 10.50 7.00 6.00 217.00 659.50 1253.00 1431.50 8288.00
1992 1449.00 1141.50 950.50 683.00 207.00 117.00 57.00 83.00 208.50 592.00 1141.00 1690.00 8319.50
1993 1802.00 1547.00 1227.50 630.50 253.00 152.00 36.50 28.50 290.00 606.50 1188.00 1550.50 9312.00
1994 2139.50 1690.50 1085.00 595.00 186.50 17.50 26.50 40.50 135.50 462.00 952.00 1381.50 8712.00
1995 1660.00 1417.50 1144.50 750.50 317.50 44.50 9.50 0.50 234.00 620.00 1216.50 1601.50 9016.50
1996 1987.50 1495.50 1404.00 746.00 340.00 38.50 7.00 6.50 223.00 561.50 1430.00 1835.00 10074.50
1997 1949.00 1416.50 1338.50 777.00 323.00 3.00 32.00 35.50 112.50 492.50 1205.00 1263.50 8948.00
1998 1649.50 1055.00 1216.00 447.50 129.00 87.50 1.00 0.00 81.50 480.50 999.00 1394.50 7541.00
1999 1808.00 1160.00 950.15 a 553.50 232.00 51.50 2.14 b 7.48 b 244.50 576.00 786.00 1245.00 7616.27
2000 1665.00 1261.50 885.50 653.28 a 237.50 112.50 32.07 b 18.27 c 215.69 a 0.00 z 1147.78 c 1982.45 a 8211.53
2001 1560.00 1687.78 a 1247.75 a 684.50 200.98 a 76.55 a 14.98 a 14.47 a 190.86 a 651.00 736.00 1417.98 b 8482.86
2002 1478.50 1137.00 1404.50 748.00 459.83 a 29.00 14.50 36.50 179.00 841.50 1076.00 1390.00 8794.33
2003 1708.00 1546.50 1237.50 574.50 0.00 z 71.00 3.50 12.00 233.00 497.00 1209.00 1364.50 8456.50
2004 1874.00 1468.00 1016.00 592.00 372.50 123.50 51.50 125.00 154.50 580.50 914.00 1423.00 8694.50
2005 1864.50 1252.00 1131.50 491.50 348.00 20.00 18.00 27.00 123.50 512.50 936.50 1468.76 b 8193.76
2006 1263.00 1473.50 1154.50 443.00 263.00 27.22 c 5.50 6.00 f 250.50 691.50 1007.00 1282.62 c 7861.35
2007 1650.50 0.00 z 1040.10 b 695.50 202.02 a 35.89 b 7.23 a 43.50 f 194.44 c 494.00 1023.00 1680.00 7022.69
2008 1816.00 1656.50 946.00 h 760.71 b 380.78 a 96.21 a 9.50 10.00 196.00 580.45 b 993.10 a 1368.50 h 6499.26
2009 1970.57 a 1490.00 1372.27 a 691.55 a 332.50 119.50 27.50 63.50 83.00 760.00 798.00 1703.00 9411.38
2010 1774.00 1533.50 968.00 389.00 295.00 41.00 2.00 16.00 269.00 468.00 1050.00 1706.50 8512.00
2011 1484.00 g 1184.00 f 1384.48 c 662.78 c 207.00 k 44.42 d 0.52 a 3.10 a 201.21 a 494.00 979.66 a 1284.50 5054.66
2012 1428.50 1262.50 776.00 530.17 a 202.02 a 39.50 0.00 a 31.50 230.00 662.00 1045.50 1574.00 7781.69
2013 1659.00 1549.50 1510.50 45.00 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 4719.00
Period of Record Statistics
MEAN 1755.01 1443.84 1167.56 633.37 288.37 74.61 14.73 32.26 210.60 559.09 1059.67 1553.01 8779.49
S.D. 228.17 209.83 178.58 112.24 99.91 43.90 15.30 24.24 62.54 122.55 158.60 197.75 641.31
SKEW -0.02 0.08 0.09 0.00 0.11 0.63 1.53 0.87 0.74 0.07 0.23 0.15 0.07
MAX 2214.50 2156.36 1526.23 920.00 546.50 181.03 75.50 125.00 467.00 903.50 1451.50 2043.50 10226.28
MIN 1263.00 955.11 776.00 380.17 71.00 3.00 0.00 0.00 81.50 210.59 673.89 1136.00 7119.50
NO YRS 99 96 98 99 96 99 100 97 98 99 97 98 82