GRAFTON, NORTH DAKOTA

Monthly Total Heating Degree Days

(323594)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201104
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 2158.00 1959.00 1685.50 1043.00 447.50 56.50 33.00 0.00 z 0.00 z 0.00 z 1331.38 a 2097.00 10810.88
1894 2102.00 1625.50 1275.00 719.00 404.00 54.00 7.75 c 49.17 b 289.50 726.00 1310.17 a 1562.83 b 10124.92
1895 2156.57 a 1688.50 1385.00 498.50 0.00 z 220.50 106.50 101.50 343.50 755.92 e 1355.89 b 1713.27 a 10325.65
1896 2029.47 a 1584.64 a 1670.42 e 815.50 289.00 70.50 52.50 104.00 400.50 821.50 a 1695.00 1640.00 11173.03
1897 2067.38 b 1775.76 c 1663.50 674.00 f 381.50 222.00 32.00 102.00 134.48 a 612.50 1383.89 c 1812.97 b 10187.98
1898 1742.20 a 1564.77 b 1358.46 c 707.50 352.62 c 112.50 g 0.00 z 0.00 z 265.50 842.00 1343.79 a 1753.64 b 9930.49
1899 1693.00 f 1862.00 1723.50 821.38 a 473.78 a 123.00 46.00 110.00 0.00 z 757.29 c 938.04 b 1727.45 b 8582.43
1900 1710.00 1851.63 a 1466.19 d 472.50 219.14 b 0.00 z 36.74 d 9.96 c 322.50 535.27 a 1390.71 b 1619.00 9633.64
1901 1884.28 a 1329.50 f 986.00 i 486.50 g 210.44 e 133.93 b 4.98 c 66.28 b 288.50 g 580.50 1214.44 c 1618.09 c 5712.95
1902 1610.50 1448.50 1165.60 a 352.50 r 37.00 q 145.50 13.00 82.15 a 353.50 636.69 e 1195.00 c 1435.00 f 6650.44
1903 1856.79 b 1673.00 1332.47 b 721.50 306.12 c 108.00 40.50 104.37 a 410.50 605.02 a 1310.36 b 1447.50 g 8468.62
1904 2038.54 d 0.00 z 1483.19 b 875.36 b 0.00 z 81.50 g 53.70 c 91.50 g 364.50 276.50 q 0.00 z 0.00 z 4815.28
1905 1970.50 1630.00 1196.82 c 653.00 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1100.50 1617.00 7514.82
1906 1745.50 1661.00 1407.50 536.00 473.50 94.00 58.00 93.50 129.00 712.00 1166.00 1933.50 10009.50
1907 2301.00 1594.50 708.50 q 1055.17 a 631.50 0.00 z 8.50 104.00 0.00 z 614.00 0.00 z 0.00 z 6308.67
1908 1592.00 1552.50 1458.00 538.39 b 374.58 a 0.00 z 44.90 b 94.00 152.00 k 566.30 c 987.00 0.00 z 7207.68
1909 1999.50 1650.50 0.00 z 0.00 z 0.00 z 0.00 z 10.00 31.00 189.50 0.00 z 1121.00 1931.00 6932.50
1910 1742.00 1647.50 0.00 z 674.50 0.00 z 104.00 0.00 s 85.00 0.00 z 0.00 z 0.00 z 778.50 q 4253.00
1911 2197.00 1663.00 1104.63 a 712.76 a 277.45 a 37.76 a 70.00 133.62 b 364.50 709.50 1489.50 1638.00 10397.72
1912 2350.50 1638.00 1470.00 685.34 a 344.10 a 197.50 58.26 b 103.00 391.50 665.39 c 708.50 j 1259.00 f 7903.60
1913 2028.50 1744.62 b 1630.00 589.62 d 468.00 98.50 64.50 23.50 272.50 557.00 i 959.00 1357.50 9236.23
1914 1677.00 2044.50 1292.50 844.14 a 295.50 115.00 13.36 b 130.72 a 211.00 475.91 d 1120.71 b 2015.00 10235.34
1915 2009.50 1426.50 1274.10 a 500.50 439.50 279.00 106.50 95.50 338.00 611.98 b 1222.24 a 1648.17 a 9951.49
1916 2290.90 a 1866.50 1556.50 823.50 452.50 196.00 4.00 89.00 332.14 b 837.52 a 1097.68 b 2007.00 11553.24
1917 2274.76 b 1993.50 1400.68 a 843.00 445.00 241.50 51.00 103.00 319.50 1015.77 a 960.00 2116.00 11763.71
1918 2148.50 1726.15 a 995.10 a 759.50 496.50 146.00 107.00 53.22 a 420.52 a 611.22 a 1090.71 b 1602.50 10156.91
1919 1629.50 1639.56 a 1481.50 687.00 323.00 91.50 12.00 60.50 213.50 971.50 1519.14 a 1903.00 10531.69
1920 2120.92 a 1675.27 a 1336.62 a 959.00 305.50 95.50 25.00 41.50 158.50 472.50 1078.50 1608.00 9876.80
1921 1713.50 1400.00 1336.50 695.50 320.50 86.00 0.50 56.50 224.00 564.00 1342.00 1581.00 9320.00
1922 1855.35 a 1785.00 1147.50 641.50 185.00 62.00 56.50 18.71 b 210.00 605.50 942.50 1867.00 9376.56
1923 1851.00 1692.50 1542.25 e 776.00 339.45 a 37.50 9.96 c 101.50 172.50 572.47 a 871.50 1330.00 9296.63
1924 2017.50 1432.00 1156.00 793.97 a 542.50 163.00 47.50 78.53 a 316.00 433.00 1191.50 2015.00 10186.50
1925 1838.00 1489.50 1289.00 528.33 c 411.50 136.50 57.35 a 18.71 b 242.00 926.38 a 1118.00 1532.00 9587.27
1926 1600.24 b 1287.50 1286.00 700.50 222.00 177.00 32.00 66.13 a 390.00 a 688.72 a 1343.79 a 1775.55 b 9569.44
1927 1809.88 a 1471.56 a 1060.20 a 713.79 a 486.59 c 144.50 40.50 86.50 280.50 538.00 1351.50 1991.00 9974.52
1928 1636.91 c 1365.50 1201.00 820.00 259.00 163.50 13.50 93.50 311.00 654.00 1001.00 1342.30 a 8861.21
1929 2286.00 1810.50 1144.50 663.00 431.13 d 122.50 10.52 c 37.72 a 331.61 b 575.00 1280.00 1459.50 f 8692.47
1930 1386.50 j 1022.00 g 1259.63 a 520.50 387.50 76.61 b 11.00 12.50 258.50 672.04 c 1074.00 1540.18 a 5812.46
1931 1584.00 1147.50 1262.00 622.50 375.00 51.50 13.00 62.00 165.00 a 492.00 990.00 a 1389.00 8153.50
1932 1694.84 b 1561.00 1470.50 696.00 271.00 3.50 38.50 16.00 219.50 798.50 1312.00 1689.50 9770.84
1933 1772.00 1617.50 1212.00 723.00 259.50 20.00 0.00 28.50 123.50 744.00 1263.50 1888.00 9651.50
1934 1635.00 1455.50 1247.00 640.00 185.50 80.50 21.70 a 81.00 357.00 488.50 958.50 1691.10 b 8841.30
1935 2089.50 1175.00 1233.00 782.00 403.50 136.00 2.00 69.50 269.50 607.50 1490.00 1752.00 10009.50
1936 2300.00 2231.50 1319.00 874.00 146.00 81.00 0.50 34.50 183.50 732.50 1158.50 1622.50 10683.50
1937 2315.50 1676.50 1330.00 734.00 248.00 109.00 13.50 19.50 234.00 651.00 1171.50 1707.00 10209.50
1938 1874.47 a 1625.50 934.00 725.00 354.50 103.50 7.00 7.00 113.00 390.50 1238.28 a 1538.50 8911.24
1939 1721.50 1878.07 a 1347.00 695.69 a 181.00 103.50 3.50 17.50 221.50 701.00 900.50 1205.00 8975.76
1940 1837.00 1417.00 1462.00 807.00 313.00 100.00 7.00 50.00 133.50 429.00 1228.50 1495.00 9279.00
1941 1745.00 1603.00 1327.50 559.50 209.50 95.00 21.50 53.50 277.50 620.50 1088.00 1429.50 9030.00
1942 1464.00 1509.50 1090.00 577.00 418.50 121.50 33.00 40.00 347.00 530.50 1174.50 1827.50 9133.00
1943 2111.00 1477.00 1459.00 629.00 429.50 144.50 2.00 16.50 250.00 483.50 1073.00 1406.00 9481.00
1944 1351.00 1533.00 1420.00 686.50 237.50 106.50 15.50 52.00 224.00 508.50 1039.50 1530.50 8704.50
1945 1723.00 1400.00 913.50 808.50 540.50 189.50 45.50 25.00 0.00 z 635.00 1249.50 1799.50 9329.50
1946 1861.03 a 1674.50 970.00 509.00 392.50 104.50 17.00 51.50 279.00 710.50 1198.50 1683.00 9451.03
1947 1573.50 1596.50 1274.50 742.00 480.50 b 142.00 21.50 21.00 328.00 390.00 1298.50 1716.50 9584.50
1948 1944.50 1726.50 1540.00 819.23 d 0.00 z 81.00 20.15 a 17.05 a 101.00 530.00 1100.50 1745.30 a 9625.23
1949 1969.00 1862.50 1414.12 a 563.79 a 291.92 a 73.00 27.50 33.50 279.83 a 662.88 a 919.62 d 1807.82 a 9905.47
1950 2372.50 1681.00 1457.00 1030.00 470.34 b 99.50 42.50 108.50 212.07 a 591.00 1341.21 a 1807.30 a 11212.92
1951 1989.50 1575.26 a 1480.50 766.00 202.57 b 173.04 b 27.79 b 68.09 c 344.48 a 697.50 1339.66 a 1833.50 10497.88
1952 1989.50 1344.00 1340.75 a 509.00 306.00 52.24 a 21.00 53.50 211.00 727.50 1083.00 1536.05 a 9173.54
1953 1806.00 1472.50 1260.00 837.00 398.50 131.50 42.00 19.00 248.50 372.52 a 925.00 1534.00 9046.52
1954 2214.95 a 1101.50 1258.00 785.00 460.00 121.00 27.50 44.00 286.11 c 593.50 927.86 b 1420.00 9239.42
1955 1843.50 1696.00 1645.00 448.97 a 238.70 a 76.00 11.48 d 3.00 m 259.50 538.50 1444.50 1957.28 b 10159.42
1956 1899.00 1762.00 1525.00 958.50 365.50 32.00 42.00 43.92 a 386.50 488.50 1067.07 a 1639.12 c 10209.11
1957 1966.00 1506.81 a 1212.50 722.50 291.50 151.50 4.00 45.39 c 313.50 615.50 1113.00 0.00 z 7942.21
1958 1496.30 c 1504.00 1111.00 612.86 b 280.55 a 204.83 a 62.50 66.50 218.89 c 549.50 1147.22 c 1860.00 a 9114.15
1959 2104.38 a 1714.00 1195.00 695.00 403.53 b 82.50 25.00 25.50 306.50 936.00 1490.00 1419.50 10396.92
1960 1970.50 1722.00 1668.00 842.50 405.00 178.00 69.50 15.00 i 120.50 p 544.50 1090.00 1775.50 10265.50
1961 1826.42 a 1402.50 1031.55 b 832.00 371.45 c 40.00 20.00 8.50 308.00 570.50 1089.00 1821.00 9320.92
1962 1987.00 1743.50 1414.50 868.45 a 342.50 76.50 20.00 24.00 291.50 489.00 991.00 1559.00 9806.95
1963 1981.50 1529.50 1074.00 646.00 363.00 56.00 6.50 20.00 137.50 273.50 989.00 1843.00 8919.50
1964 1632.15 a 1433.50 1444.00 641.50 225.50 155.50 4.50 115.00 314.50 574.50 1104.00 1958.50 9603.15
1965 2092.50 1630.50 1555.00 726.00 335.00 80.00 25.26 d 81.50 515.50 539.50 1257.00 1452.00 10289.76
1966 2254.98 b 1733.00 1116.55 c 854.50 436.00 3.50 q 4.00 57.00 176.90 a 615.41 d 1324.50 1747.50 10320.34
1967 1816.60 a 1753.50 1301.50 821.67 c 469.00 66.50 35.50 60.50 135.50 620.50 1082.00 1582.50 9745.27
1968 1857.00 1670.50 1042.00 646.00 393.50 95.00 53.00 87.00 216.00 591.50 1042.50 1729.00 9423.00
1969 1231.00 l 955.50 h 1510.50 588.50 300.50 241.50 29.00 8.00 0.00 z 782.50 1066.50 1547.50 6074.50
1970 2044.50 1588.50 1642.50 846.50 425.00 45.58 d 11.00 30.00 230.50 572.00 1137.50 1808.50 10382.08
1971 2117.00 1477.00 1269.50 682.50 320.00 31.00 55.00 25.50 246.50 562.00 1205.50 1702.00 9693.50
1972 1985.50 1800.50 1385.50 797.00 232.50 81.50 0.00 z 53.00 328.50 737.00 1221.00 1928.95 b 10550.95
1973 1669.35 a 1433.50 949.50 761.50 329.50 125.50 37.00 9.50 288.00 478.50 0.00 z 1789.50 7871.35
1974 2130.50 1642.50 1481.00 813.50 483.50 100.00 12.50 135.00 358.00 621.00 1093.50 1351.50 10222.50
1975 1661.50 1566.00 1439.00 817.00 0.00 z 96.00 15.50 60.50 275.00 517.00 1040.50 1629.50 9117.50
1976 1822.50 1355.00 1420.00 531.00 235.50 50.00 7.50 16.00 176.00 765.50 1167.50 1857.00 9403.50
1977 2057.50 1281.50 973.00 435.00 60.50 16.50 5.50 89.50 233.00 506.00 1155.52 a 1900.50 8714.02
1978 2097.50 1701.50 1263.00 670.50 153.50 67.50 15.50 41.00 162.50 536.50 1294.50 1876.50 9880.00
1979 2219.00 1899.50 1429.50 934.50 487.73 a 68.00 3.32 c 59.00 155.00 622.50 1165.50 1355.50 10399.05
1980 1828.50 1603.50 1334.55 a 449.00 204.00 48.00 1.50 52.50 289.66 a 663.00 954.00 1676.50 9104.71
1981 1569.50 1239.50 950.84 b 557.31 d 284.50 79.00 14.50 9.00 236.00 622.07 a 840.50 0.00 z 6402.72
1982 2265.00 1537.50 1305.50 736.00 232.50 184.50 3.50 64.00 240.00 586.00 1250.50 1399.00 9804.00
1983 1541.00 1267.50 1161.00 732.50 394.50 64.00 16.50 1.50 272.50 626.50 1057.50 2046.52 a 9181.52
1984 1690.00 1162.00 1282.00 580.50 344.50 62.50 27.00 17.00 362.50 584.00 1113.50 1786.00 9011.50
1985 1827.00 1550.00 989.50 500.50 164.50 165.50 35.00 100.50 359.00 678.50 1552.00 1961.50 9883.50
1986 1623.37 a 1583.50 1042.00 644.00 214.50 46.50 2.50 69.00 265.50 598.00 1368.00 1429.10 a 8885.97
1987 1571.50 1140.50 1182.00 379.50 148.50 39.00 7.50 54.50 156.50 675.50 913.50 1362.50 7631.00
1988 1868.50 1611.05 a 1137.50 595.34 a 164.00 9.50 1.00 25.00 221.50 679.00 1159.50 1583.07 a 9054.96
1989 1727.50 1762.00 1472.50 746.50 195.50 70.50 0.00 33.50 192.50 593.50 1232.00 1912.00 9938.00
1990 1432.50 1389.00 1116.00 676.00 299.00 45.50 8.50 0.00 z 155.50 591.50 1055.50 1765.50 8534.50
1991 1924.00 1227.00 1139.50 505.50 223.50 5.50 5.50 2.50 240.00 800.50 1334.50 1482.50 8890.50
1992 1520.50 1308.00 1092.00 747.00 200.00 107.00 76.00 71.50 262.50 633.50 1160.50 1822.50 9001.00
1993 1850.50 1560.50 1198.50 654.00 265.50 133.00 35.00 34.50 294.50 712.50 1230.00 1616.00 9584.50
1994 2232.00 1774.00 1076.00 645.00 190.50 12.00 11.00 53.50 139.00 485.50 1010.00 1492.50 9121.00
1995 1791.50 1552.44 a 1229.50 812.00 287.50 41.00 11.50 0.00 241.50 658.00 1389.31 a 1788.00 9802.25
1996 2145.00 1593.50 1538.00 931.50 349.50 55.50 11.00 8.50 230.00 630.00 1500.00 1889.50 10882.00
1997 2007.00 1451.50 0.00 z 854.50 403.50 6.00 22.50 32.50 118.50 625.50 1200.50 1200.00 7922.00
1998 1737.50 1049.00 1213.00 447.50 132.50 114.00 9.00 1.50 107.50 541.00 1117.00 1571.00 8040.50
1999 1891.50 1248.50 1071.00 571.50 244.00 61.00 7.00 15.00 248.00 612.50 829.50 1321.00 8120.50
2000 1750.50 1171.00 880.00 645.50 210.00 84.50 0.00 z 21.50 235.00 519.00 1166.50 2048.00 8731.50
2001 1549.00 1668.50 1172.50 591.00 191.50 80.00 10.00 9.00 193.50 669.00 797.50 0.00 z 6931.50
2002 0.00 z 0.00 z 1448.00 747.00 481.00 35.00 0.50 28.50 0.00 z 887.00 0.00 z 1436.50 5063.50
2003 1721.00 1662.50 1308.50 583.50 250.50 48.00 9.50 16.50 228.50 495.00 1265.00 1404.50 8993.00
2004 2042.50 1487.50 1130.00 694.50 402.00 116.00 32.00 103.00 141.50 556.50 898.00 1559.50 9163.00
2005 1913.00 1374.00 1200.50 466.00 316.00 25.34 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1396.00 6690.84
2006 1246.00 1566.50 1182.50 0.00 z 229.50 15.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4240.00
2007 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
2008 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
2009 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
2010 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
2011 1044.00 n 765.00 n 203.50 z 29.50 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 0.00
Period of Record Statistics
MEAN 1888.90 1572.02 1295.49 699.48 325.87 98.05 25.64 52.53 255.78 620.98 1165.46 1676.36 9616.99
S.D. 241.17 210.18 194.62 140.94 109.75 57.56 23.58 35.11 82.46 125.75 174.61 211.61 765.14
SKEW -0.07 -0.09 0.06 0.10 0.14 0.72 1.40 0.44 0.25 0.55 0.32 -0.07 0.26
MAX 2372.50 2231.50 1723.50 1055.17 631.50 279.00 107.00 135.00 515.50 1015.77 1695.00 2116.00 11763.71
MIN 1246.00 1049.00 880.00 379.50 60.50 3.50 0.00 0.00 101.00 273.50 797.50 1200.00 7631.00
NO YRS 110 109 109 108 106 106 107 105 101 106 106 102 77