HANNAH 2 N, NORTH DAKOTA

Monthly Total Growing Degree Days

(323936)

Base Temperature = 50 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 416.50 k 463.97 a 231.43 b 41.69 b 0.00 b 0.00 737.08
1906 0.00 0.00 a 0.00 b 43.00 68.50 302.68 b 428.00 417.00 317.00 51.15 a 0.00 z 0.00 z 1627.33
1907 0.00 z 0.00 z 0.00 z 0.00 z 16.02 a 268.50 388.07 d 284.17 a 92.07 a 9.41 c 0.00 z 0.00 d 1058.24
1908 0.00 a 0.00 z 0.00 z 0.00 z 68.50 i 350.50 0.00 z 296.00 338.00 28.13 d 0.00 b 0.00 z 1012.63
1909 0.00 d 0.00 g 0.00 l 0.00 z 12.50 q 315.00 481.05 c 0.00 z 187.50 d 74.52 e 0.00 z 0.00 1058.07
1910 0.00 0.00 13.50 42.50 22.65 e 502.00 444.52 c 343.50 119.00 77.00 0.00 z 0.00 g 1564.67
1911 0.00 0.00 0.00 31.50 135.50 383.40 e 304.66 b 321.50 109.62 d 9.50 f 0.00 b 0.00 1286.17
1912 0.00 0.00 0.00 b 5.36 b 65.21 b 198.00 h 33.00 z 269.00 124.14 a 2.50 f 0.00 j 0.00 j 463.70
1913 0.00 z 0.00 0.00 51.00 103.50 366.43 b 355.50 427.59 b 141.50 i 20.50 0.00 c 0.00 1324.51
1914 0.00 0.00 0.00 2.07 a 167.50 273.00 585.50 373.00 249.00 109.00 0.00 h 0.00 1759.07
1915 0.00 a 0.00 0.00 57.00 71.00 110.50 263.50 370.00 169.14 a 2.50 0.00 0.00 k 1043.64
1916 0.00 0.00 m 0.00 d 9.31 a 66.65 a 196.55 a 637.00 452.00 144.50 4.00 0.00 0.00 h 1510.01
1917 0.00 b 0.00 0.00 c 0.00 94.50 252.00 272.00 l 384.92 a 0.00 z 0.00 z 0.00 z 0.00 a 731.42
1918 0.00 a 0.00 0.50 20.00 83.50 366.00 368.00 374.50 31.00 n 44.95 a 0.00 0.00 a 1257.45
1919 0.00 0.00 d 0.00 m 9.50 223.72 a 429.00 572.50 447.71 e 156.21 a 12.00 0.00 0.00 1850.64
1920 0.00 a 0.00 0.00 0.00 118.00 331.50 519.00 591.00 327.00 82.00 0.00 t 0.00 d 1968.50
1921 0.00 0.00 0.00 0.00 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 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 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 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 520.50 522.57 c 530.50 173.00 26.00 0.00 0.00 b 1772.57
1933 0.00 0.00 a 0.00 16.00 182.00 575.00 641.00 635.00 322.24 a 8.00 0.00 0.00 c 2379.24
1934 0.00 0.00 0.00 19.50 393.00 350.36 b 612.50 466.00 138.50 79.00 0.00 0.00 b 2058.86
1935 0.00 0.00 0.00 3.75 b 84.00 300.50 700.00 458.59 b 133.97 a 37.72 a 0.00 0.00 1718.52
1936 0.00 0.00 0.00 0.00 366.83 a 396.00 875.50 615.50 330.50 32.00 0.00 0.00 2616.33
1937 0.00 0.00 0.00 0.00 172.00 361.55 a 569.00 598.00 196.50 33.50 0.00 0.00 1930.55
1938 0.00 a 0.00 0.00 19.00 86.00 324.83 a 518.22 a 516.50 281.25 b 98.50 0.00 0.00 1844.29
1939 0.00 d 0.00 0.00 33.50 216.50 207.41 a 513.00 f 551.59 b 280.00 0.00 a 0.00 z 0.00 a 1289.00
1940 0.00 0.00 a 0.00 6.00 141.00 317.22 c 628.78 a 538.48 d 395.00 0.00 z 0.00 0.00 2026.49
1941 0.00 a 0.00 b 0.00 10.50 220.50 366.00 570.00 433.00 162.50 1.00 0.00 0.00 1763.50
1942 0.00 a 0.00 a 0.00 a 35.00 47.50 241.50 378.50 392.50 184.50 82.50 0.00 0.00 1362.00
1943 0.00 0.00 a 0.00 a 8.50 57.00 245.00 542.00 408.50 121.00 97.00 0.00 0.00 a 1479.00
1944 0.00 a 0.00 b 0.00 a 9.50 269.50 309.00 457.25 a 399.90 a 151.00 48.00 0.00 0.00 b 1644.15
1945 0.00 a 0.00 0.00 a 0.00 38.75 a 204.50 469.00 429.35 a 131.50 39.00 0.00 0.00 i 1312.10
1946 0.00 0.00 h 3.21 b 23.50 143.12 a 299.50 529.50 386.98 a 229.66 a 27.90 a 0.00 b 0.00 g 1643.36
1947 0.00 a 0.00 a 0.00 c 20.36 b 26.50 245.00 572.00 627.23 a 118.20 e 60.45 a 0.00 d 0.00 b 1669.74
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 522.00 490.46 c 384.31 a 0.00 z 0.00 0.00 c 1396.77
1949 0.00 0.00 z 0.00 z 0.00 z 180.50 370.50 551.50 604.50 a 128.00 g 50.00 0.00 0.00 h 1757.00
1950 0.00 a 0.00 0.00 h 0.00 a 90.50 296.50 432.97 a 345.13 a 223.00 13.00 0.00 b 0.00 1401.10
1951 0.00 0.00 0.00 10.50 191.34 b 244.66 a 482.57 a 332.45 b 122.50 13.95 a 0.00 0.00 1397.96
1952 0.00 0.00 a 0.00 142.24 a 134.00 355.86 a 486.70 a 439.00 252.50 5.17 a 0.00 0.00 1815.47
1953 0.00 a 0.00 b 0.00 b 0.50 124.00 319.66 a 465.52 a 525.00 131.50 118.83 a 0.00 c 0.00 b 1685.01
1954 0.00 0.00 e 0.00 a 2.50 82.50 315.52 a 522.72 b 379.75 c 97.00 35.13 a 0.00 0.00 b 1435.12
1955 0.00 z 0.00 b 0.00 b 40.56 c 196.00 365.77 d 576.00 545.50 161.50 38.23 a 0.00 a 0.00 1923.56
1956 0.00 0.00 l 0.00 0.00 c 117.28 a 467.22 c 407.50 429.00 80.56 c 43.50 0.00 f 0.00 1545.06
1957 0.00 0.00 0.00 51.50 147.54 d 232.76 a 600.50 411.00 116.79 b 52.50 0.00 0.00 a 1612.58
1958 0.00 0.00 b 0.00 16.00 176.50 210.56 c 415.40 a 386.97 b 152.31 d 28.00 0.00 a 0.00 1385.73
1959 0.00 0.00 c 0.00 6.72 a 111.82 c 406.03 a 509.00 488.52 b 168.21 b 1.72 d 0.00 b 0.00 1692.03
1960 0.00 0.00 0.00 1.50 159.77 e 320.89 b 571.00 493.00 221.11 c 35.13 a 0.00 0.00 1802.41
1961 0.00 0.00 a 0.00 6.50 124.00 b 448.50 492.00 588.47 b 153.00 e 53.00 0.00 0.00 a 1865.47
1962 0.00 0.00 0.00 10.50 88.87 a 174.50 r 412.50 450.50 104.50 40.50 0.00 m 0.00 b 1107.37
1963 0.00 0.00 1.50 10.50 112.50 423.00 551.50 0.00 z 259.00 182.50 0.00 0.00 a 1540.50
1964 0.00 0.00 0.00 12.41 a 161.20 a 271.00 527.00 346.88 b 123.00 28.00 0.00 0.00 1469.49
1965 0.00 0.00 0.00 7.00 127.10 a 353.00 430.50 410.00 19.50 21.50 0.00 0.00 1368.60
1966 0.00 0.00 0.00 p 1.50 121.00 403.39 b 604.50 409.50 230.00 24.00 0.00 0.00 a 1793.89
1967 0.00 a 0.00 0.00 a 0.00 121.50 328.00 504.50 441.50 307.50 11.00 0.00 0.00 1714.00
1968 0.00 0.00 0.00 23.50 95.50 315.00 449.00 331.50 188.00 10.00 0.00 0.00 1412.50
1969 0.00 0.00 0.00 20.77 d 182.00 134.00 436.50 584.00 221.00 5.00 0.00 0.00 1583.27
1970 0.00 0.00 0.00 0.00 80.50 481.00 573.00 462.00 219.50 49.00 0.00 0.00 1865.00
1971 0.00 0.00 0.00 a 4.29 b 130.50 421.55 a 371.50 517.50 213.50 5.00 0.00 0.00 1663.84
1972 0.00 0.00 0.00 7.50 270.00 407.50 349.00 507.00 126.50 21.50 0.00 0.00 1689.00
1973 0.00 0.00 0.00 7.00 124.00 420.00 e 274.50 o 561.00 165.00 65.50 0.00 e 0.00 c 1342.50
1974 0.00 0.00 0.00 5.50 41.00 363.00 577.00 285.50 73.50 14.00 0.00 0.00 1359.50
1975 0.00 u 0.00 z 0.00 b 0.00 111.00 309.50 561.00 329.50 88.50 77.50 12.50 0.00 1489.50
1976 0.00 0.00 b 0.00 11.50 203.50 454.50 505.00 375.50 g 257.07 a 25.83 a 0.00 0.00 1457.40
1977 0.00 b 0.00 a 0.00 85.50 443.50 354.50 508.00 242.83 d 132.00 27.00 0.00 0.00 g 1793.33
1978 0.00 g 0.00 z 0.00 z 0.00 z 114.00 w 256.50 g 460.00 442.78 a 231.43 b 14.35 d 0.00 q 0.00 a 1148.56
1979 0.00 0.00 a 0.00 e 0.00 e 82.84 b 338.28 a 529.50 366.00 189.50 11.48 d 0.00 0.00 a 1517.60
1980 0.00 0.00 a 0.00 d 101.90 a 332.22 a 371.00 511.00 231.50 h 178.97 a 22.65 e 0.00 a 0.00 h 1517.73
1981 0.00 0.00 h 0.00 27.32 b 115.00 280.38 d 506.85 a 410.50 f 0.00 z 10.50 s 0.00 o 0.00 u 929.56
1982 0.00 r 0.00 p 0.00 r 29.00 152.50 124.00 j 212.50 q 214.50 o 76.50 o 6.50 m 0.00 i 0.00 g 181.50
1983 0.00 0.00 0.00 6.50 79.50 322.50 614.00 671.50 191.00 3.00 0.00 0.00 1888.00
1984 0.00 0.00 0.00 a 2.50 102.30 a 362.00 495.00 656.00 99.00 89.50 0.00 0.00 c 1806.30
1985 0.00 0.00 0.00 44.00 l 203.50 f 194.48 a 485.50 270.00 153.00 e 9.50 h 0.00 z 0.00 z 1102.98
Period of Record Statistics
MEAN 0.00 0.00 0.32 18.52 139.59 333.95 506.84 446.06 186.71 39.75 0.23 0.00 1702.97
S.D. 0.00 0.00 1.81 26.09 85.73 89.20 98.26 104.77 79.93 34.96 1.69 0.00 282.74
SKEW 0.00 0.00 6.84 2.67 1.51 0.06 0.46 0.24 0.66 1.52 7.21 0.00 1.30
MAX 0.00 0.00 13.50 142.24 443.50 575.00 875.50 671.50 395.00 182.50 12.50 0.00 2616.33
MIN 0.00 0.00 0.00 0.00 16.02 110.50 263.50 242.83 19.50 0.00 0.00 0.00 1359.50
NO YRS 63 57 59 61 63 64 63 64 64 62 55 56 32