LANGDON EXP FARM, NORTH DAKOTA

Monthly Total Growing Degree Days

(324958)

Base Temperature = 50 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
1897 0.00 z 0.00 z 0.00 z 0.00 b 153.00 276.00 494.97 a 339.50 350.69 a 0.00 z 0.00 z 0.00 z 1614.16
1898 0.00 z 0.00 z 0.00 z 10.96 d 119.35 a 261.50 442.27 a 354.95 a 83.50 g 0.00 z 0.00 z 0.00 z 1189.03
1899 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
1900 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
1901 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
1902 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
1903 0.00 z 0.00 z 0.00 z 13.50 125.00 0.00 z 412.00 292.00 67.00 0.00 z 0.00 z 0.00 z 909.50
1904 0.00 z 0.00 z 0.00 z 27.86 b 137.00 270.50 330.50 249.50 97.22 c 0.00 z 0.00 z 0.00 z 1112.58
1905 0.00 b 0.00 0.00 z 16.03 a 80.50 189.00 452.50 481.53 a 247.00 47.53 a 0.00 b 0.00 z 1514.10
1906 0.00 z 0.00 a 0.00 a 63.50 85.50 366.00 471.00 455.70 a 316.03 a 0.00 z 0.00 z 0.00 z 1757.73
1907 0.00 a 0.00 a 0.00 0.00 e 16.53 a 299.00 434.53 b 293.00 80.50 0.00 z 0.00 z 0.00 z 1123.57
1908 0.00 a 0.00 b 0.00 z 35.00 76.50 268.00 394.00 f 301.22 a 306.67 c 0.00 z 0.00 z 0.00 z 987.38
1909 0.00 0.00 a 0.00 z 0.00 d 0.00 z 228.50 i 378.50 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 a 0.00
1910 0.00 0.00 26.00 36.50 40.00 532.00 518.50 314.50 87.00 0.00 z 0.00 z 0.00 a 1554.50
1911 0.00 z 0.00 a 0.00 z 29.00 140.50 361.50 347.50 291.00 78.50 0.00 z 0.00 z 0.00 1248.00
1912 0.00 0.00 a 0.00 2.00 97.50 339.50 404.00 304.00 119.50 0.00 z 0.00 z 0.00 z 1266.50
1913 0.00 z 0.00 z 0.00 z 47.00 129.50 403.00 373.00 445.00 199.00 14.47 a 0.00 z 0.00 z 1610.97
1914 0.00 0.00 0.00 6.72 a 177.00 310.50 615.00 355.50 223.50 122.00 1.00 0.00 1811.22
1915 0.00 0.00 0.00 58.00 110.50 174.50 330.00 404.00 193.50 12.00 0.00 0.00 1282.50
1916 0.00 a 0.00 0.00 0.00 54.52 b 175.50 622.50 448.00 175.00 0.00 0.00 0.00 1475.52
1917 0.00 0.00 a 0.00 0.00 85.00 233.50 526.50 368.50 175.50 8.00 0.00 0.00 1397.00
1918 0.00 0.00 0.00 16.50 64.00 282.00 310.52 a 404.00 81.00 38.50 0.00 0.00 1196.52
1919 0.00 0.00 0.00 11.50 244.50 453.50 536.00 421.50 186.50 26.50 0.00 0.00 1880.00
1920 0.00 0.00 0.00 0.00 122.00 316.00 465.00 550.00 293.00 109.00 0.00 0.00 1855.00
1921 0.00 0.00 0.00 0.00 168.00 441.50 556.50 394.50 160.50 19.50 0.00 0.00 1740.50
1922 0.00 0.00 0.00 10.00 205.63 a 347.00 416.50 558.00 273.50 49.50 0.00 a 0.00 1860.13
1923 0.00 a 0.00 0.00 21.00 189.50 460.00 626.50 306.50 218.50 27.50 0.00 0.00 1849.50
1924 0.00 a 0.00 0.00 0.00 23.50 198.50 406.00 361.50 125.50 37.50 0.00 a 0.00 1152.50
1925 0.00 0.00 0.00 22.50 147.77 a 265.50 425.00 475.00 195.00 0.00 a 0.00 d 0.00 b 1530.77
1926 0.00 a 0.00 0.00 16.50 212.00 215.50 517.50 389.50 100.00 6.41 b 0.00 0.00 1457.41
1927 0.00 0.00 a 0.00 a 2.00 33.50 300.00 432.00 391.50 283.45 a 30.50 0.00 0.00 1472.95
1928 0.00 0.00 0.00 11.00 181.50 223.50 470.50 426.25 a 165.50 15.50 0.00 0.00 1493.75
1929 0.00 a 0.00 0.00 0.00 91.00 227.59 a 524.00 472.50 124.66 a 27.00 0.00 a 0.00 1466.74
1930 0.00 0.00 0.00 30.00 110.00 327.32 b 548.50 561.50 176.00 3.00 0.00 0.00 1756.32
1931 0.00 0.00 0.00 a 26.00 117.50 425.00 435.50 488.50 266.50 25.50 0.00 0.00 1784.50
1932 0.00 0.00 a 0.00 15.00 194.27 a 520.00 475.00 492.00 199.50 18.50 0.00 0.00 1914.27
1933 0.00 0.00 0.00 10.50 185.00 571.50 681.50 576.50 263.00 3.00 0.00 0.00 2291.00
1934 0.00 0.00 a 0.00 17.50 324.00 359.50 607.50 464.50 130.50 63.50 0.00 0.00 1967.00
1935 0.00 0.00 0.00 1.50 89.00 277.24 a 682.50 442.50 133.00 3.50 0.00 0.00 1629.24
1936 0.00 0.00 0.00 0.00 289.00 370.50 843.00 525.50 290.00 17.50 0.00 z 0.00 2335.50
1937 0.00 0.00 0.00 0.00 143.00 355.50 575.00 592.50 208.45 a 25.00 0.00 0.00 1899.45
1938 0.00 0.00 0.00 18.50 96.50 354.50 537.33 a 553.00 353.50 121.00 0.00 0.00 2034.33
1939 0.00 0.00 0.00 37.50 259.50 289.00 680.97 a 596.00 279.50 3.10 a 0.00 0.00 2145.57
1940 0.00 0.00 a 0.00 0.50 153.00 315.50 567.00 457.50 343.00 66.00 0.00 0.00 1902.50
1941 0.00 0.00 0.00 33.50 251.50 394.50 593.00 469.00 197.50 9.50 0.00 0.00 1948.50
1942 0.00 0.00 0.00 42.00 69.50 284.50 438.00 429.00 204.50 131.50 0.00 0.00 1599.00
1943 0.00 0.00 0.00 18.00 86.50 274.00 590.00 468.00 154.82 b 110.00 0.00 0.00 1701.32
1944 0.00 a 0.00 0.00 13.00 284.00 328.00 510.00 413.50 164.50 52.00 0.00 0.00 1765.00
1945 0.00 0.00 1.00 3.00 24.00 245.50 483.00 459.00 166.00 31.50 0.00 0.00 1413.00
1946 0.00 a 0.00 9.00 52.50 150.00 355.00 557.50 438.50 183.50 28.00 0.00 0.00 1774.00
1947 0.00 a 0.00 0.00 29.50 45.00 257.50 587.00 607.00 202.50 81.00 0.00 0.00 1809.50
1948 0.00 0.00 0.00 11.50 197.00 353.50 544.50 521.00 374.50 38.00 0.00 0.00 2040.00
1949 0.00 0.00 0.00 69.50 188.50 371.00 516.00 599.00 166.00 25.83 a 0.00 0.00 1935.83
1950 0.00 0.00 0.00 0.00 87.00 302.00 447.00 353.00 246.00 15.50 a 0.00 0.00 1450.50
1951 0.00 0.00 0.00 8.28 a 201.50 240.00 483.00 353.00 116.38 a 34.00 0.00 0.00 1436.16
1952 0.00 0.00 0.00 152.50 158.00 375.00 a 472.50 476.50 292.50 10.50 0.00 0.00 a 1937.50
1953 0.00 0.00 0.00 2.00 132.50 335.50 495.00 567.00 174.00 149.50 0.00 0.00 1855.50
1954 0.00 0.00 0.00 5.00 73.00 315.50 537.50 405.00 118.00 33.00 0.00 0.00 1487.00
1955 0.00 0.00 0.00 49.00 205.00 378.00 612.00 597.00 218.50 50.00 0.00 0.00 2109.50
1956 0.00 0.00 0.00 0.00 112.00 475.50 423.50 440.00 99.00 54.00 0.00 0.00 1604.00
1957 0.00 0.00 0.00 46.00 136.50 220.00 598.50 395.00 129.50 58.00 0.00 0.00 1583.50
1958 0.00 0.00 0.00 24.50 218.50 229.50 427.50 481.50 214.50 52.50 0.00 a 0.00 1648.50
1959 0.00 0.00 0.00 3.50 125.00 408.00 540.00 541.00 193.00 5.50 0.00 0.00 1816.00
1960 0.00 0.00 0.00 4.50 172.00 321.50 590.00 539.92 a 252.50 54.50 0.00 0.00 1934.92
1961 0.00 0.00 0.00 4.50 136.00 497.50 507.00 619.00 150.52 a 52.50 0.00 0.00 1967.02
1962 0.00 0.00 0.00 11.00 97.50 412.50 445.50 478.00 120.52 a 61.00 0.00 0.00 1626.02
1963 0.00 0.00 6.00 23.50 134.50 467.50 592.00 502.50 286.50 197.00 0.00 0.00 2209.50
1964 0.00 0.00 0.00 25.50 225.50 292.50 563.50 359.50 138.50 33.00 0.00 0.00 1638.00
1965 0.00 0.00 0.00 12.50 121.00 333.00 460.00 425.00 16.50 18.50 0.00 0.00 1386.50
1966 0.00 0.00 0.00 0.00 111.00 369.50 585.50 417.00 250.50 23.00 0.00 0.00 1756.50
1967 0.00 0.00 0.00 0.00 122.50 324.50 488.50 448.00 281.00 15.00 0.00 0.00 1679.50
1968 0.00 0.00 0.00 18.50 88.00 300.00 441.00 334.50 184.50 20.00 0.00 0.00 1386.50
1969 0.00 0.00 0.00 10.00 140.50 134.50 430.50 605.50 219.50 1.50 0.00 0.00 1542.00
1970 0.00 0.00 0.00 0.00 108.00 493.00 566.00 512.50 235.50 35.50 0.00 0.00 1950.50
1971 0.00 0.00 0.00 14.00 112.50 376.00 336.00 502.00 171.00 9.50 0.00 0.00 1521.00
1972 0.00 0.00 0.00 4.00 253.00 407.50 374.00 518.50 121.00 21.50 0.00 0.00 1699.50
1973 0.00 0.00 0.00 6.50 119.00 365.50 444.00 571.00 169.50 76.50 0.00 0.00 1752.00
1974 0.00 0.00 0.00 12.00 52.50 358.50 606.50 327.00 96.00 0.00 z 0.00 0.00 1452.50
1975 0.00 0.00 0.00 0.00 130.50 342.50 609.00 366.00 116.00 53.00 4.00 0.00 1621.00
1976 0.00 0.00 0.00 13.00 193.00 421.50 524.50 517.00 260.50 43.50 0.00 0.00 1973.00
1977 0.00 0.00 0.00 97.50 445.00 364.00 526.50 267.50 139.00 27.00 0.00 0.00 1866.50
1978 0.00 0.00 0.00 13.50 268.00 387.00 474.50 453.00 307.50 29.50 0.00 a 0.00 1933.00
1979 0.00 0.00 0.00 0.00 89.00 359.50 534.00 367.50 212.50 17.50 0.00 0.00 1580.00
1980 0.00 0.00 0.00 122.50 346.50 359.50 525.50 350.50 182.00 43.00 0.00 b 0.00 a 1929.50
1981 0.00 0.00 0.00 25.86 a 132.50 282.86 b 537.00 409.50 g 161.50 17.00 0.00 0.00 1156.72
1982 0.00 a 0.00 0.00 20.00 0.00 z 152.50 470.00 369.00 169.00 7.50 0.00 0.00 1188.00
1983 0.00 0.00 0.00 11.00 68.50 334.00 616.50 651.00 196.00 0.00 0.50 0.00 1877.50
1984 0.00 0.00 0.00 6.50 102.50 325.00 504.50 579.00 94.00 65.50 0.00 0.00 1677.00
1985 0.00 0.00 0.00 56.50 207.00 181.00 441.00 280.00 103.00 5.00 0.00 0.00 a 1273.50
1986 0.00 0.00 0.00 5.00 211.00 369.00 488.00 362.00 88.50 9.50 0.00 0.00 1533.00
1987 0.00 0.00 0.00 71.50 230.50 442.00 494.50 363.00 173.00 12.00 0.00 0.00 1786.50
1988 0.00 0.00 0.00 24.50 305.50 631.00 581.00 516.00 128.50 32.50 0.00 0.00 2219.00
1989 0.00 0.00 0.00 11.50 217.50 301.00 655.50 533.50 220.50 58.00 0.00 0.00 1997.50
1990 0.00 0.00 0.00 73.50 131.00 368.00 454.50 486.50 245.50 10.00 1.00 0.00 1770.00
1991 0.00 0.00 0.00 42.00 296.50 430.50 460.50 542.50 175.00 7.00 0.00 0.00 1954.00
1992 0.00 0.00 0.00 12.50 204.00 263.50 248.00 322.50 103.00 56.00 0.00 0.00 1209.50
1993 0.00 0.00 0.00 4.00 141.50 223.50 336.00 396.00 65.00 5.00 0.00 0.00 1171.00
1994 0.00 0.00 0.00 4.50 164.00 367.00 367.50 373.00 232.50 17.00 0.00 0.00 1525.50
1995 0.00 0.00 0.00 0.00 78.00 513.00 469.00 483.50 194.00 14.00 0.00 0.00 1751.50
1996 0.00 0.00 0.00 0.00 84.00 396.50 440.50 467.00 176.00 20.50 0.00 0.00 1584.50
1997 0.00 0.00 0.00 0.00 60.50 462.00 474.50 440.50 237.50 60.00 0.00 0.00 1735.00
1998 0.00 0.00 0.00 31.00 201.50 268.00 507.50 550.00 289.50 14.00 0.00 0.00 1861.50
1999 0.00 0.00 0.00 32.00 149.50 308.50 495.50 413.50 118.50 0.00 8.50 0.00 1526.00
2000 0.00 0.00 0.50 24.00 141.50 220.50 490.50 484.50 0.00 z 22.50 0.00 0.00 1384.00
2001 0.00 0.00 0.00 39.00 168.50 301.50 519.50 537.00 189.50 14.50 0.00 0.00 1769.50
2002 0.00 0.00 0.00 18.00 94.00 388.50 571.00 0.00 z 269.00 12.50 0.00 0.00 1353.00
2003 0.00 0.00 0.00 31.50 0.00 z 335.50 502.00 575.50 224.50 70.00 0.00 0.00 1739.00
2004 0.00 0.00 0.00 10.50 44.00 213.00 426.00 213.00 212.00 29.50 0.00 0.00 1148.00
2005 0.00 0.00 0.00 24.00 125.50 0.00 z 500.00 410.00 222.50 34.50 0.00 0.00 1316.50
2006 0.00 0.00 0.00 50.50 160.00 422.50 605.50 498.50 192.50 41.50 0.00 0.00 1971.00
2007 0.00 0.00 z 0.00 45.50 137.00 403.00 598.00 398.50 180.00 13.50 0.00 0.00 1775.50
2008 0.00 0.00 0.00 6.50 67.50 282.50 451.50 0.00 z 166.00 8.00 0.00 0.00 982.00
2009 0.00 b 0.00 0.00 0.00 60.00 317.50 396.50 386.50 401.50 2.50 0.00 0.00 1564.50
2010 0.00 0.00 3.00 30.00 174.00 327.00 526.50 518.50 100.50 79.00 0.00 0.00 1758.50
2011 0.00 0.00 0.00 5.00 95.07 a 314.50 569.37 a 522.50 250.00 101.27 a 0.00 0.00 1857.70
2012 0.00 a 0.00 a 20.50 25.50 136.00 393.50 646.87 a 490.50 92.50 k 7.50 i 0.00 m 0.00 l 1712.87
2013 0.00 k 0.00 j 0.00 m 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
Period of Record Statistics
MEAN 0.00 0.00 0.64 20.64 145.60 336.92 503.81 446.82 191.40 36.19 0.15 0.00 1711.76
S.D. 0.00 0.00 3.40 25.14 74.93 90.71 91.68 94.45 74.71 35.52 0.95 0.00 253.15
SKEW 0.00 0.00 6.22 2.42 1.01 0.39 0.21 -0.11 0.36 1.90 7.64 0.00 -0.23
MAX 0.00 0.00 26.00 152.50 445.00 631.00 843.00 651.00 401.50 197.00 8.50 0.00 2291.00
MIN 0.00 0.00 0.00 0.00 16.53 134.50 248.00 213.00 16.50 0.00 0.00 0.00 1148.00
NO YRS 105 106 103 112 109 109 110 108 108 99 98 101 88