HANNAH 2 N, NORTH DAKOTA

Monthly Total Heating Degree Days

(323936)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198510
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
1905 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4.00 k 72.33 a 248.04 b 835.40 b 1168.93 b 1648.50 3973.19
1906 1781.00 1705.93 a 1434.02 b 588.50 532.50 153.21 b 98.00 123.00 194.50 733.67 a 0.00 z 0.00 z 7344.32
1907 0.00 z 0.00 z 0.00 z 0.00 z 736.25 a 201.00 93.57 d 200.98 a 485.69 a 766.70 c 0.00 z 1605.11 d 4089.30
1908 1657.47 a 0.00 z 0.00 z 0.00 z 294.00 i 123.00 0.00 z 185.00 233.50 726.20 d 1128.21 b 0.00 z 4053.38
1909 2002.94 d 1291.50 g 949.00 l 0.00 z 334.50 q 165.00 57.57 c 0.00 z 288.46 d 718.37 e 0.00 z 1838.50 5070.84
1910 1744.50 1756.00 789.00 634.00 576.48 e 147.00 73.62 c 161.00 386.00 603.50 0.00 z 1432.50 g 6871.11
1911 2247.00 1788.50 1289.00 813.00 441.00 105.00 e 177.98 b 189.50 420.00 d 671.50 f 1632.86 b 1712.50 10816.34
1912 2462.50 1780.00 1707.67 b 786.96 b 482.10 b 183.00 h 42.50 z 197.50 478.45 a 654.00 f 753.00 j 1153.00 j 7895.19
1913 0.00 z 1809.00 1730.50 643.50 563.00 158.04 b 127.50 86.59 b 254.00 i 939.50 1007.78 c 1458.00 8523.40
1914 1825.50 2071.50 1411.50 936.72 a 396.00 198.50 26.00 165.00 226.50 505.50 1007.50 h 2030.00 9792.72
1915 2042.90 a 1460.00 1355.50 602.50 509.00 405.00 213.00 150.00 378.62 a 731.00 1245.50 1084.00 k 9093.02
1916 2431.00 1101.00 m 1495.46 d 953.28 a 489.28 a 256.55 a 27.50 107.50 379.50 903.00 1164.50 1415.00 h 8207.57
1917 2261.40 b 2030.50 1465.86 c 968.50 479.50 254.50 58.50 l 131.75 a 0.00 z 0.00 z 0.00 z 2051.68 a 9643.69
1918 2236.65 a 1683.50 999.50 780.00 533.00 139.00 148.50 116.50 244.00 n 627.75 a 1171.50 1630.60 a 10066.50
1919 1693.50 1706.83 d 1076.50 m 798.00 364.25 a 116.00 18.50 97.17 e 327.93 a 1036.00 1581.00 1963.00 9702.19
1920 2162.77 a 1740.50 1564.00 1044.00 379.00 144.50 53.00 49.00 170.50 517.00 335.00 t 1689.50 d 9513.77
1921 1749.00 1485.50 1403.00 267.50 w 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4637.50
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 2383.90 a 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 2383.90
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 32.00 82.48 c 44.00 327.50 935.00 1428.00 1883.52 b 4732.50
1933 1896.00 1793.04 a 1322.00 775.00 307.00 29.50 19.50 33.50 189.83 a 873.00 1311.00 2016.66 c 10566.03
1934 1773.50 1537.00 1350.00 738.50 231.50 128.57 b 41.00 126.00 442.00 584.00 1031.50 1774.48 b 9758.05
1935 2194.00 1321.00 1385.00 870.00 b 475.00 200.00 0.00 120.79 b 349.66 a 681.48 a 1559.00 1782.50 10938.43
1936 2383.00 2338.50 1400.00 983.50 176.70 a 128.00 7.00 45.50 237.00 814.00 1257.00 1748.00 11518.20
1937 2424.50 1799.00 1441.00 846.00 343.00 166.03 a 24.50 44.00 367.50 758.00 1316.00 1856.00 11385.54
1938 1992.27 a 1740.50 1087.50 802.50 474.50 178.97 a 37.20 a 49.00 199.82 b 539.50 1393.50 1658.50 10153.75
1939 1853.11 d 2046.00 1501.00 818.00 293.00 252.41 a 15.00 f 51.31 b 281.50 889.70 a 0.00 z 1221.40 a 9207.44
1940 1983.50 1547.88 a 1542.50 889.00 399.50 166.11 c 17.05 a 85.54 d 152.50 0.00 z 1361.00 1668.50 9813.07
1941 1861.03 a 1650.38 b 1490.00 764.00 311.50 165.50 50.50 104.50 404.00 772.00 1262.50 1531.50 10367.42
1942 1617.17 a 1628.15 a 1270.48 a 764.50 583.00 220.50 121.50 107.50 436.00 599.50 1269.50 1922.00 10539.80
1943 2236.00 1560.74 a 1679.68 a 774.50 576.50 240.00 13.00 81.50 376.50 575.50 1172.00 1486.45 a 10772.37
1944 1486.97 a 1761.48 b 1565.50 a 772.50 297.00 179.50 64.58 a 113.15 a 318.50 579.00 1152.50 1693.78 b 9984.46
1945 1847.08 a 1572.00 1065.37 a 915.00 613.80 a 298.50 76.50 84.73 a 409.50 731.50 1429.00 1332.50 i 9042.98
1946 1944.50 1210.50 h 1072.17 b 609.00 484.63 a 168.00 47.50 134.85 a 318.10 a 865.93 a 1283.04 b 1349.00 g 6927.73
1947 1737.55 a 1775.41 a 1533.95 c 896.25 b 594.00 220.00 47.00 47.53 a 472.80 e 515.12 a 1299.23 d 1786.78 b 10925.61
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 42.00 52.59 c 103.45 a 0.00 z 1174.00 1917.02 c 3289.06
1949 2073.50 0.00 z 0.00 z 0.00 z 353.50 136.00 49.50 52.70 a 247.50 g 728.00 998.50 1433.50 h 4391.70
1950 2497.05 a 1757.50 1184.00 h 1054.66 a 564.50 197.00 101.27 a 157.58 a 285.50 664.00 1403.57 b 1914.50 10597.13
1951 2091.50 1656.00 1684.50 851.00 315.88 b 231.72 a 80.60 a 153.93 b 455.00 848.88 a 1422.50 1935.00 11726.52
1952 2064.00 1443.27 a 1462.50 532.24 a 396.50 121.03 a 47.53 a 101.50 262.50 773.45 a 1126.50 1567.00 9898.03
1953 1829.00 a 1536.23 b 1315.36 b 940.50 442.00 165.52 a 66.13 a 53.50 352.00 462.93 a 953.33 c 1589.55 b 9706.06
1954 2246.00 1187.57 e 1385.70 a 905.50 585.00 184.66 a 52.91 b 104.07 c 402.00 723.85 a 996.00 1426.00 b 10199.26
1955 0.00 z 1744.62 b 1718.90 b 583.33 c 347.00 139.62 d 35.50 42.50 380.00 672.70 a 1575.00 a 2012.00 9251.16
1956 1993.50 1164.50 l 1611.00 1129.44 c 450.53 a 65.00 c 79.50 75.50 430.56 c 590.00 891.00 f 1684.50 8109.53
1957 2085.50 1608.00 1311.00 790.50 346.17 d 217.76 a 14.00 114.00 421.07 b 704.00 1182.50 1539.67 a 10334.16
1958 1603.00 1733.31 b 1216.00 701.00 362.50 275.56 c 97.65 a 143.24 b 348.46 d 641.50 1267.76 a 1895.50 10285.47
1959 2156.50 1752.80 c 1234.00 783.10 a 473.30 c 111.72 a 44.00 56.66 b 349.82 b 966.74 d 1491.96 b 1425.00 10845.61
1960 1985.50 1695.50 1674.00 855.00 405.38 e 148.93 b 48.50 52.00 286.67 c 685.10 a 1233.50 1780.00 10850.08
1961 1933.50 1479.33 a 1244.00 916.00 472.48 b 84.00 47.50 21.38 b 385.80 e 662.00 1194.00 1954.03 a 10394.03
1962 2032.00 1829.50 1517.00 881.50 452.60 a 22.50 r 74.00 73.00 381.50 625.00 576.00 m 1672.40 b 9538.50
1963 2096.00 1663.00 1211.00 783.00 474.50 94.00 38.50 0.00 z 215.00 367.50 1113.50 1947.83 a 10003.83
1964 1759.00 1484.00 1641.00 758.28 a 380.78 a 235.00 25.50 171.57 b 415.50 660.00 1240.00 2085.00 10855.63
1965 2138.50 1693.00 1651.50 831.00 424.18 a 122.50 71.50 133.00 602.00 615.00 1369.50 1598.50 11250.18
1966 2459.00 1794.50 633.00 p 936.50 545.00 147.86 b 20.50 109.50 287.00 703.00 1475.50 1786.63 a 10264.99
1967 1932.85 a 1857.00 1478.18 a 961.50 558.00 160.00 78.50 112.00 195.50 735.00 1192.50 1643.50 10904.53
1968 1975.50 1679.00 1121.50 739.50 475.50 184.00 86.00 152.00 302.50 697.00 1154.00 1859.00 10425.50
1969 2198.00 1624.50 1620.00 683.65 d 384.00 359.00 79.50 32.00 312.00 895.50 1186.00 1627.50 11001.65
1970 2132.00 1705.00 1729.00 947.00 520.00 72.00 28.00 74.50 332.50 670.00 1269.00 1912.50 11391.50
1971 2215.00 1526.50 1448.73 a 876.96 b 386.00 67.76 a 110.00 57.00 325.00 688.00 1282.00 1894.00 10876.96
1972 2182.50 1900.50 1418.50 860.00 279.50 92.00 150.00 78.00 417.00 840.50 1351.50 2030.00 11600.00
1973 1717.50 1513.00 992.50 819.50 412.50 111.60 e 23.00 o 16.50 351.50 544.00 1396.20 e 1956.32 c 9831.12
1974 2224.50 1779.50 1686.50 949.50 566.00 147.00 28.00 202.00 502.00 696.50 1234.00 1523.00 11538.50
1975 541.00 u 0.00 z 1627.50 b 976.00 423.50 175.50 41.00 170.50 404.50 641.00 1130.50 1761.50 7351.50
1976 1962.00 1532.17 b 1612.50 663.00 326.00 84.50 40.50 56.00 g 261.21 a 908.82 a 1304.00 1973.00 10667.69
1977 2166.26 b 1461.70 a 1129.50 581.00 112.50 115.00 47.00 231.93 d 335.00 605.50 1251.00 1470.00 g 8036.39
1978 1727.00 g 0.00 z 0.00 z 0.00 z 22.00 w 118.50 g 73.00 95.58 a 292.50 b 641.24 d 817.00 q 1970.05 a 3072.37
1979 2308.50 2006.67 a 1578.62 e 1157.40 e 611.98 b 153.10 a 43.50 131.50 296.50 760.07 d 1245.00 1499.37 a 11792.21
1980 2001.00 1719.80 a 1593.63 d 583.97 a 280.55 a 120.50 40.00 115.50 h 374.48 a 800.63 e 1068.62 a 1319.00 h 8583.19
1981 1698.00 1122.00 h 1048.50 654.64 b 426.00 175.38 d 48.57 a 30.50 f 0.00 z 304.50 s 387.50 o 563.00 u 4051.09
1982 1057.00 r 712.00 p 587.50 r 821.50 376.50 183.50 j 17.00 q 68.00 o 194.00 o 375.50 m 864.50 i 1173.50 g 1198.00
1983 1582.50 1362.00 1285.00 858.50 540.50 161.00 27.00 20.50 366.50 729.50 1121.50 2284.50 10339.00
1984 1790.00 1262.50 1388.80 a 681.50 500.65 a 127.00 50.50 26.00 461.50 699.00 1228.00 1960.75 c 10176.20
1985 2013.00 1717.50 1182.00 368.00 l 200.50 f 266.38 a 54.00 227.00 357.60 e 442.50 h 0.00 z 0.00 z 5817.48
Period of Record Statistics
MEAN 2016.74 1680.60 1409.65 816.64 438.31 165.46 60.73 103.15 339.88 709.72 1259.21 1772.90 10728.15
S.D. 245.68 201.76 219.23 138.73 115.42 69.81 41.00 54.96 94.57 131.93 153.73 206.59 585.11
SKEW 0.00 0.33 -0.56 0.05 -0.23 0.88 1.46 0.43 -0.10 0.13 0.38 -0.19 0.14
MAX 2497.05 2338.50 1730.50 1157.40 736.25 405.00 213.00 231.93 602.00 1036.00 1632.86 2284.50 11792.21
MIN 1486.97 1187.57 789.00 532.24 112.50 29.50 0.00 16.50 103.45 367.50 953.33 1221.40 9706.06
NO YRS 63 57 59 61 63 64 63 64 64 62 55 56 32