FORMAN 5 SSE, NORTH DAKOTA

Monthly Total Heating Degree Days

(323117)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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 1789.50 1705.00 1471.50 849.00 339.00 31.50 8.00 56.50 265.00 656.00 1217.00 1813.00 10201.00
1894 1917.00 1521.50 1065.00 629.00 299.50 32.00 10.00 24.00 23.00 z 658.50 1255.34 a 1364.00 8775.84
1895 2122.00 1632.81 a 1245.68 a 344.48 a 317.00 139.50 81.50 73.00 g 211.00 739.50 1310.50 1597.50 9741.48
1896 1848.52 d 1419.00 1505.10 b 393.00 p 217.00 90.50 29.50 50.12 a 278.33 c 382.50 k 1258.50 g 1545.83 e 6983.90
1897 1193.00 j 1191.00 f 1459.21 c 629.48 a 266.50 173.57 b 44.50 k 171.10 e 54.11 b 558.00 1232.07 a 1673.43 d 6217.47
1898 1526.50 1425.00 1208.50 502.50 h 402.00 78.50 24.00 44.95 a 236.79 b 505.50 j 1215.00 1665.22 a 7826.45
1899 835.50 s 1742.74 a 1708.00 696.50 360.50 80.89 b 8.50 34.74 b 316.00 651.00 a 824.48 a 1592.50 8015.86
1900 1512.50 1733.41 a 1318.57 b 462.00 211.83 a 76.00 14.50 0.50 155.00 g 0.00 z 1239.81 d 1524.50 8093.62
1901 1676.00 1519.50 1189.50 582.50 225.50 125.00 2.00 7.75 e 232.00 f 473.78 a 1097.50 1592.00 8491.03
1902 1556.00 1413.00 1099.00 722.00 270.50 199.00 44.50 93.00 401.00 616.50 f 1173.50 1810.00 8781.50
1903 1754.50 1695.12 c 1207.00 655.50 271.00 97.00 41.50 84.00 329.50 482.50 1160.50 1653.50 9431.62
1904 1882.00 1897.50 1317.00 805.50 286.50 84.00 e 25.83 d 55.50 263.57 b 519.25 c 869.00 1514.35 a 9520.00
1905 1898.50 1523.00 949.50 667.50 446.92 a 121.00 32.00 14.00 110.19 d 714.00 909.00 1498.50 8884.11
1906 1543.00 1398.00 1343.00 486.96 b 347.00 63.00 24.00 50.50 100.50 360.50 i 1112.50 1614.50 8082.96
1907 2042.38 a 1468.00 395.00 w 418.50 n 375.00 h 24.50 o 2.00 j 48.00 336.00 561.88 c 948.50 1284.00 6688.76
1908 1297.00 1402.50 1196.50 529.50 327.50 112.00 20.50 59.50 125.00 592.00 966.50 1503.50 b 8132.00
1909 1866.50 1472.07 a 1167.50 829.50 336.50 71.50 15.00 14.50 94.50 469.50 905.50 1707.98 e 8950.55
1910 1644.00 1657.38 b 589.50 418.45 a 296.50 82.00 0.00 z 0.00 z 175.00 377.50 1080.00 1310.00 7630.33
1911 510.50 u 1427.50 748.00 538.45 a 177.00 17.50 32.11 c 63.50 187.00 627.00 1372.50 1404.82 a 6595.37
1912 2132.00 1471.46 d 940.50 j 451.15 d 204.00 140.17 a 18.50 38.00 407.00 614.32 a 945.50 1417.50 7839.60
1913 1750.50 1494.50 1356.00 486.50 390.50 56.00 37.50 3.10 a 209.00 698.53 a 810.50 1124.35 e 8416.98
1914 1514.00 1711.00 1131.50 a 591.72 a 228.76 b 48.00 1.50 62.50 116.38 a 427.50 1011.50 1851.39 d 8695.75
1915 1713.50 1187.93 a 1192.43 b 324.44 c 365.50 160.00 51.00 58.50 215.00 453.50 952.50 1420.50 8094.80
1916 2024.00 1616.00 1210.00 652.76 a 315.68 a 152.00 0.00 b 40.82 a 220.00 614.00 998.00 1833.50 9676.76
1917 1913.22 a 1034.00 k 1243.50 739.50 243.00 i 127.50 b 12.50 80.60 a 192.41 a 692.00 f 822.32 b 1822.50 6954.05
1918 1519.00 h 1396.00 846.00 610.86 a 271.00 125.89 b 21.81 d 10.50 333.00 459.83 a 997.50 1339.56 e 6411.96
1919 157.00 z 1418.50 1271.50 575.89 b 303.59 b 135.00 0.00 z 38.75 a 145.00 793.50 0.00 z 0.00 z 4681.73
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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 1145.00 1481.28 a 2626.28
1937 2079.00 1626.50 1264.50 737.50 247.00 110.00 9.50 11.00 259.50 665.00 1140.00 1680.50 9830.00
1938 1770.62 a 1552.00 973.50 605.50 373.00 81.50 6.50 6.50 164.00 445.50 1234.00 1494.00 8706.62
1939 1601.50 1841.50 1273.00 754.50 175.00 112.00 8.50 39.00 247.00 680.00 913.45 a 1234.00 8879.45
1940 1928.72 a 1469.50 1307.50 767.50 334.50 97.00 0.50 60.50 148.00 397.50 1220.00 1376.00 9107.22
1941 1660.50 1535.00 1224.00 540.50 189.00 90.00 27.00 34.50 228.00 578.00 997.00 1299.00 8402.50
1942 1430.50 1382.00 979.50 508.50 430.50 113.50 21.50 22.50 336.00 557.00 1023.00 1652.00 8456.50
1943 2060.50 1423.50 1409.50 562.00 384.50 104.00 1.50 15.00 236.50 481.00 1054.00 1319.50 9051.50
1944 1313.00 1516.00 1348.00 724.00 214.50 75.00 13.00 43.50 205.50 494.50 972.93 a 1434.00 8353.93
1945 1595.50 1411.41 a 915.00 720.00 b 475.50 187.00 32.50 7.50 292.00 564.50 1162.00 1750.00 9112.91
1946 1735.45 c 1525.00 885.50 470.50 408.50 95.00 3.00 44.50 233.00 629.50 1085.00 1518.00 8632.95
1947 1406.50 1475.50 1217.00 732.00 419.50 115.86 a 17.00 11.37 a 225.00 333.50 1244.00 1599.60 a 8796.83
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.66 c 13.36 b 81.50 534.75 a 278.00 t 1514.87 a 2146.14
1949 1791.50 1633.00 1159.40 a 477.41 a 215.00 47.50 9.50 22.22 a 251.11 c 547.00 829.50 1606.50 8589.64
1950 2128.50 1509.00 1273.58 a 908.50 376.43 c 73.20 e 26.00 70.27 a 166.00 482.50 1223.00 1642.47 b 9879.44
1951 1886.35 a 1381.50 958.00 i 692.00 183.00 162.50 20.15 a 63.00 294.50 636.50 1217.00 1781.50 8318.00
1952 1840.50 1365.50 0.00 z 0.00 z 0.00 z 40.00 4.00 21.00 139.00 650.50 975.00 a 1404.50 6440.00
1953 1589.00 1287.00 1092.00 762.50 342.00 83.00 10.33 a 1.50 202.50 d 405.30 d 882.50 1457.00 8114.63
1954 1989.68 a 937.50 1179.55 a 628.50 421.50 90.00 b 20.00 15.00 201.67 c 576.50 826.50 1359.00 8245.40
1955 1627.00 1570.50 1319.00 390.50 162.23 a 80.00 5.50 8.50 214.50 478.50 1342.50 1776.50 8975.23
1956 1731.00 1636.00 1278.00 847.24 a 286.75 a 14.00 13.00 23.50 236.25 b 386.98 a 1021.50 1379.00 8853.22
1957 1868.50 1382.00 1107.50 647.00 327.16 c 71.00 0.00 42.00 270.00 a 567.50 1027.24 a 1242.14 b 8552.04
1958 1449.50 1411.50 1076.50 590.00 221.65 a 172.00 44.50 21.70 a 166.00 475.50 1013.00 1592.00 8233.85
1959 1793.00 1518.00 969.50 581.00 316.20 a 36.00 9.00 9.00 226.55 a 735.00 1275.00 1199.50 8667.75
1960 1657.00 1518.50 1510.22 a 657.00 274.00 71.67 c 13.50 15.50 219.44 c 505.82 a 998.00 1593.83 b 9034.47
1961 1690.00 1254.00 932.21 c 782.07 a 361.09 d 42.69 d 14.50 2.00 299.50 503.75 a 1005.00 1690.00 8576.82
1962 1820.70 c 1545.50 1294.00 698.00 274.50 57.00 20.00 14.00 270.50 457.50 888.00 1435.50 8775.20
1963 1920.50 1414.00 935.50 587.50 306.50 31.50 1.50 19.50 103.50 246.00 888.50 1703.45 a 8157.95
1964 1506.50 1233.00 1338.50 582.50 188.50 74.00 2.00 61.00 288.50 531.50 1079.00 1811.50 8696.50
1965 1952.00 1534.50 1452.00 670.00 294.50 52.00 8.50 51.50 496.00 475.50 1073.00 1309.50 9369.00
1966 2105.00 1552.50 1012.00 821.00 384.00 86.50 0.00 b 88.50 218.00 568.50 645.50 m 1507.50 8343.50
1967 1652.50 1605.33 a 1080.50 733.00 406.00 66.50 40.50 38.00 155.17 a 609.50 1062.00 1539.50 8988.51
1968 1726.50 1525.50 923.50 634.50 403.00 86.00 23.00 56.50 192.50 576.50 994.50 1733.00 8875.00
1969 2048.14 b 1406.50 1495.00 559.50 271.50 179.00 14.50 0.50 153.50 729.50 990.00 1469.00 9316.64
1970 1975.50 1442.50 1362.50 719.50 327.50 34.00 2.00 8.00 0.00 z 571.00 1146.00 1640.86 b 9229.36
1971 1935.00 1441.48 a 1098.50 573.50 315.00 27.00 38.50 22.50 210.50 544.22 d 1068.62 a 1708.00 8982.82
1972 1934.00 1734.50 1250.50 739.00 270.00 90.00 31.50 65.00 295.00 726.50 1129.00 0.00 z 8265.00
1973 1621.00 1314.00 912.36 b 669.00 324.00 60.50 21.50 8.27 a 290.17 a 431.50 1133.00 1688.98 a 8474.29
1974 1906.00 1481.00 1256.00 681.72 a 429.50 96.50 0.50 80.50 334.50 580.00 1018.00 1398.00 9262.22
1975 1623.00 1567.50 1457.00 925.00 282.50 95.50 15.50 35.13 a 298.50 530.50 968.00 1501.00 9299.13
1976 1754.00 1217.00 1191.00 515.50 299.00 61.03 a 13.50 17.50 224.00 754.00 1207.00 1684.50 8938.04
1977 2101.00 1266.00 1020.50 464.50 89.00 36.50 17.50 86.50 239.50 611.00 1143.50 1730.50 8806.00
1978 2087.00 1665.00 1259.50 695.00 232.00 91.50 22.00 37.00 200.00 606.00 1245.50 1748.50 9889.00
1979 2173.50 1858.50 1383.00 865.00 487.50 105.00 15.50 68.00 175.50 646.87 a 1162.00 1298.00 10238.37
1980 1713.50 1547.00 1346.50 510.00 211.00 69.00 15.50 50.00 274.00 690.00 926.50 1548.50 8901.50
1981 1615.50 1254.00 958.50 540.50 350.50 77.50 18.00 12.00 205.00 628.00 873.50 1686.50 8219.50
1982 2190.50 1566.50 1239.00 714.50 245.50 162.00 0.50 50.50 234.00 601.50 1213.00 1310.00 9527.50
1983 1426.00 1171.00 1095.50 745.00 402.00 98.50 8.00 0.00 249.50 611.00 1010.50 2062.00 8879.00
1984 1694.50 1143.50 1332.50 614.50 380.50 57.00 17.50 16.00 356.00 569.50 1039.00 1660.50 8881.00
1985 1833.50 1490.00 931.50 500.00 169.00 168.00 6.50 84.00 318.00 630.00 1462.00 1842.50 9435.00
1986 1574.50 1538.50 1017.50 635.50 267.00 46.50 5.50 77.50 295.00 593.00 1223.50 1306.50 8580.50
1987 1401.00 1016.50 1059.00 429.50 168.00 44.50 13.50 68.50 165.50 709.00 947.00 1324.50 7346.50
1988 1791.50 1578.00 1044.50 602.00 125.00 7.50 6.00 37.00 218.50 679.50 1118.50 1482.50 8690.50
1989 1606.50 1766.00 1385.00 657.00 243.00 102.50 0.00 24.00 240.00 572.50 1181.50 1822.00 9600.00
1990 1310.00 1310.00 1014.00 658.50 341.00 80.00 19.50 31.00 174.50 656.50 960.50 1700.50 8256.00
1991 1802.00 1167.50 1052.00 508.50 240.00 23.50 11.00 8.00 246.50 690.00 1267.50 1418.50 8435.00
1992 1445.50 1171.50 974.00 733.50 238.50 119.00 88.00 96.50 267.50 620.50 1150.00 1672.50 8577.00
1993 1846.50 1577.00 1267.00 679.00 292.00 157.00 39.00 38.00 347.50 682.00 1188.00 1552.00 9665.00
1994 2149.00 1750.50 1109.50 639.00 206.50 36.50 28.50 51.50 167.50 501.50 965.50 1420.50 9026.00
1995 1685.00 1427.50 1213.00 808.00 345.00 50.00 21.00 4.50 264.50 646.00 1256.00 1572.50 9293.00
1996 2004.00 1515.50 1434.00 805.50 382.00 66.00 16.50 5.00 251.00 624.00 1451.50 1846.00 10401.00
1997 1978.00 1441.50 1354.00 806.00 372.50 6.00 31.00 48.00 117.50 543.00 1209.50 1271.50 9178.50
1998 1684.00 1061.00 1273.00 510.00 163.50 120.00 7.00 0.00 103.97 a 535.27 a 1003.50 1360.50 7821.73
1999 1831.00 1166.50 1001.50 597.50 241.28 a 77.68 b 2.07 a 19.00 271.00 653.58 a 786.00 1258.00 7905.11
2000 1641.93 b 1246.50 870.00 655.00 c 0.00 z 111.00 19.93 c 18.00 233.00 491.35 a 1214.00 1924.50 8425.21
2001 1551.03 a 1699.00 1288.57 a 672.50 219.07 a 71.90 a 10.85 a 0.00 z 211.50 611.73 a 0.00 z 1361.50 7697.65
2002 0.00 z 1122.50 1431.50 728.00 485.15 a 49.00 7.50 39.50 0.00 z 819.00 1063.00 1375.50 7120.65
2003 1704.50 0.00 z 1250.00 594.50 0.00 z 93.00 0.00 z 0.00 z 251.00 500.00 1195.00 1362.50 6950.50
2004 1820.00 1450.50 994.50 609.00 398.50 130.50 f 0.00 z 49.00 s 164.00 561.50 914.50 1394.00 8306.50
2005 1804.00 1237.50 1150.50 510.50 191.00 s 32.50 4.00 y 28.50 135.00 545.00 942.50 1501.50 7887.50
2006 1265.50 1397.00 1112.00 472.50 289.00 43.80 e 3.00 19.00 295.00 709.50 1023.00 1259.50 7888.80
2007 1649.50 0.00 z 1031.78 a 739.00 208.50 51.50 7.00 54.50 216.50 493.00 1027.00 1656.50 7134.78
2008 1784.50 0.00 z 1236.00 764.50 362.50 83.00 8.00 17.50 196.50 590.00 1000.00 1791.50 7834.00
2009 1954.50 1492.50 1350.00 718.00 317.00 130.00 32.50 54.00 92.50 769.00 811.50 1691.05 a 9412.55
2010 1433.50 g 1583.50 1017.00 428.50 321.00 37.00 0.00 19.00 270.00 466.50 1056.50 1719.00 6918.00
2011 1896.17 a 1540.50 1407.50 711.50 371.48 a 78.50 0.00 c 1.50 209.48 a 480.00 986.00 1302.00 b 8984.63
2012 1394.00 1286.36 a 741.50 547.00 204.17 b 52.22 c 0.00 26.00 225.00 677.00 1036.00 1597.02 a 7786.27
2013 1634.00 1527.50 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 3161.50
Period of Record Statistics
MEAN 1761.14 1464.87 1177.94 636.16 299.59 85.16 16.87 36.59 227.31 575.25 1070.21 1544.28 8870.66
S.D. 221.56 184.74 195.67 125.63 84.98 43.07 15.78 28.89 76.33 105.05 147.13 190.12 610.30
SKEW -0.12 -0.31 -0.24 -0.11 0.01 0.54 1.89 1.29 0.37 -0.23 0.26 0.11 0.21
MAX 2190.50 1897.50 1708.00 925.00 487.50 199.00 88.00 171.10 496.00 819.00 1462.00 2062.00 10401.00
MIN 1265.50 937.50 589.50 324.44 89.00 6.00 0.00 0.00 54.11 246.00 786.00 1124.35 7346.50
NO YRS 96 98 98 98 96 100 96 98 98 97 99 102 71