NORTHDALE, COLORADO

Monthly Total Growing Degree Days

(055970)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200212
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
1930 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 224.50 h 530.00 474.50 195.50 15.50 0.00 0.00 1215.50
1931 0.00 0.00 0.00 7.00 73.50 368.00 602.50 486.50 304.50 54.00 0.00 0.00 i 1896.00
1932 0.00 0.00 0.00 1.00 j 70.50 256.00 537.50 478.00 198.50 27.50 0.00 0.00 1568.00
1933 0.00 0.00 0.00 0.50 56.50 431.00 608.00 496.50 327.50 58.50 0.00 0.00 1978.50
1934 0.00 0.00 0.00 42.00 234.00 261.00 602.50 528.00 240.50 49.00 0.00 0.00 1957.00
1935 0.00 0.00 0.00 16.00 50.00 199.00 375.50 311.50 105.00 2.00 0.00 0.00 1059.00
1936 0.00 0.00 0.00 4.00 37.50 437.00 607.00 473.50 105.50 4.50 0.00 0.00 1669.00
1937 0.00 0.00 0.00 16.50 168.00 366.00 363.00 k 563.50 280.50 28.00 0.00 0.00 1422.50
1938 0.00 0.00 0.00 22.00 113.00 180.00 r 502.00 567.00 267.50 68.00 0.00 0.00 1539.50
1939 0.00 0.00 0.00 51.50 177.50 345.50 593.50 523.50 316.50 7.50 0.00 0.00 2015.50
1940 0.00 0.00 1.50 25.50 156.00 403.50 608.50 526.00 272.00 32.00 0.00 0.00 2025.00
1941 0.00 0.00 0.00 0.00 101.00 219.00 486.50 434.00 152.50 3.00 0.00 0.00 1396.00
1942 0.00 0.00 0.00 5.00 50.50 271.00 562.00 472.50 215.50 48.50 0.00 0.00 1625.00
1943 0.00 b 0.00 c 0.00 44.00 104.50 292.00 543.50 513.00 261.00 35.00 0.00 0.00 1793.00
1944 0.00 0.00 0.00 0.00 75.00 212.50 494.50 0.00 z 263.50 50.50 0.50 0.00 1096.50
1945 0.00 0.00 0.00 5.50 101.00 235.00 565.00 556.50 277.50 33.50 0.00 0.00 1774.00
1946 0.00 0.00 23.50 45.50 112.50 384.50 604.00 549.50 255.50 27.50 0.00 0.00 2002.50
1947 0.00 0.00 0.00 4.00 184.50 262.00 583.50 507.50 329.50 65.50 0.00 0.00 1936.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 500.50 325.50 29.00 0.00 0.00 a 855.00
1949 0.00 0.00 0.00 40.00 44.00 g 308.57 b 544.50 445.50 298.00 50.00 0.00 0.00 1686.57
1950 0.00 0.00 0.00 6.50 98.50 318.00 521.00 457.50 189.50 89.00 0.00 0.00 1680.00
1951 0.00 0.00 0.00 6.00 152.50 270.00 636.00 479.00 225.50 19.50 0.00 0.00 1788.50
1952 0.00 0.00 0.00 10.50 135.50 353.50 548.00 560.50 304.50 34.50 0.00 0.00 1947.00
1953 0.00 0.00 1.00 17.50 103.00 390.50 616.50 475.00 258.50 52.00 0.00 0.00 1914.00
1954 0.00 0.00 0.00 30.00 165.00 361.00 650.50 461.00 282.50 92.50 0.00 0.00 2042.50
1955 0.00 0.00 0.00 10.00 85.50 264.50 546.00 569.50 268.50 51.50 0.00 0.00 a 1795.50
1956 0.00 0.00 0.00 5.50 166.00 435.50 509.50 421.08 a 303.00 60.00 0.00 0.00 1900.58
1957 0.00 0.00 0.00 3.62 a 63.00 340.50 522.50 491.50 194.50 39.00 0.00 0.00 1654.62
1958 0.00 0.00 0.00 0.00 177.50 405.00 522.50 591.00 290.00 53.22 a 0.00 0.00 2039.22
1959 0.00 a 0.00 0.00 34.50 104.00 421.50 609.00 508.50 269.50 11.00 0.00 0.00 1958.00
1960 0.00 0.00 0.00 13.00 98.50 265.50 g 568.33 a 569.50 343.00 25.50 6.00 0.00 1623.83
1961 0.00 0.00 0.00 11.00 119.50 424.50 592.50 554.00 136.50 20.50 0.00 0.00 1858.50
1962 0.00 0.00 0.00 19.00 101.00 318.50 512.50 519.50 271.00 31.00 1.00 0.00 1773.50
1963 0.00 0.00 0.00 14.00 173.00 321.50 586.42 a 526.00 339.50 103.50 0.00 0.00 2063.92
1964 0.00 0.00 0.00 0.00 131.50 325.00 621.00 484.50 241.50 48.00 0.00 0.00 1851.50
1965 0.00 0.00 0.00 19.00 73.00 190.50 532.00 475.00 180.50 45.50 0.00 0.00 1515.50
1966 0.00 a 0.00 0.00 6.00 151.50 316.50 617.50 549.00 292.00 20.50 0.00 0.00 a 1953.00
1967 0.00 0.00 0.00 14.50 104.50 256.00 593.00 518.00 280.00 54.50 0.00 0.00 1820.50
1968 0.00 0.00 0.00 0.00 60.50 376.00 530.50 379.00 187.50 27.00 0.00 0.00 1560.50
1969 0.00 0.00 0.00 20.00 184.00 290.50 589.50 597.50 301.50 11.00 0.00 0.00 1994.00
1970 0.00 0.00 0.00 2.50 144.00 307.50 579.00 586.50 186.00 14.50 0.00 0.00 1820.00
1971 0.00 0.00 4.00 4.50 54.00 323.00 585.00 562.00 219.50 25.00 0.00 0.00 1777.00
1972 0.00 0.00 2.00 22.00 107.50 386.50 616.00 508.00 264.00 78.50 0.00 0.00 1984.50
1973 0.00 0.00 0.00 2.50 108.50 296.50 514.00 501.50 173.50 26.50 0.00 0.00 1623.00
1974 0.00 0.00 0.50 12.50 177.50 432.00 543.50 442.50 229.00 44.00 0.00 0.00 1881.50
1975 0.00 0.00 0.00 3.00 56.50 251.50 522.50 410.50 218.50 37.00 0.00 0.00 1499.50
1976 0.00 0.00 0.00 2.50 133.00 332.50 587.50 490.50 263.50 28.00 0.00 0.00 1837.50
1977 0.00 0.00 0.00 35.50 90.50 458.50 617.50 546.50 333.10 a 46.50 0.00 0.00 2128.10
1978 0.00 0.00 1.00 15.00 94.00 370.00 540.00 477.50 259.00 42.00 0.00 0.00 1798.50
1979 0.00 0.00 0.00 18.00 117.50 304.50 540.95 a 462.50 320.50 97.50 0.00 0.00 1861.45
1980 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 347.00 p 524.50 258.50 88.50 1.50 0.00 873.00
1981 0.00 0.00 0.00 31.50 95.50 467.50 605.00 522.50 312.50 23.50 2.50 0.00 2060.50
1982 0.00 0.00 0.00 12.50 122.50 325.00 569.00 581.00 332.50 3.00 0.00 0.00 1945.50
1983 0.00 0.00 0.00 2.00 101.00 293.50 570.00 580.00 349.00 22.00 0.00 0.00 1917.50
1984 0.00 0.00 0.00 3.50 246.00 358.50 648.00 577.50 329.00 31.50 0.00 0.00 2194.00
1985 0.00 0.00 0.00 29.00 136.00 409.00 608.50 529.00 184.50 15.00 0.00 0.00 1911.00
1986 0.00 0.00 a 1.50 0.00 125.50 385.00 529.00 596.50 226.50 12.00 0.00 0.00 1876.00
1987 0.00 0.00 0.00 53.50 111.50 421.00 539.50 481.50 264.50 78.50 0.00 0.00 1950.00
1988 0.00 0.00 0.00 6.00 117.00 433.50 593.50 538.00 238.00 69.50 0.00 0.00 1995.50
1989 0.00 0.00 0.00 61.00 174.50 335.50 605.00 434.50 272.00 25.50 0.00 0.00 1908.00
1990 0.00 0.00 3.50 25.00 69.00 440.00 563.50 476.00 357.00 25.50 0.00 0.00 1959.50
1991 0.00 0.00 0.00 1.00 107.50 274.00 529.00 507.50 243.00 63.50 0.00 0.00 1725.50
1992 0.00 0.00 0.00 z 47.50 137.50 324.50 471.50 496.00 244.00 55.50 0.00 0.00 1776.50
1993 0.00 0.00 0.00 23.00 170.00 313.50 513.00 479.50 233.00 36.00 0.00 0.00 1768.00
1994 0.00 0.00 1.00 52.50 159.50 601.00 632.00 622.00 213.50 k 0.00 z 0.00 z 0.00 z 2068.00
1995 0.00 0.00 0.00 8.50 34.00 249.00 499.50 587.50 306.00 17.50 0.00 0.00 1702.00
1996 0.00 0.00 0.00 27.00 229.50 438.50 645.00 562.00 223.50 77.50 0.00 0.00 2203.00
1997 0.00 0.00 0.00 8.00 178.50 340.50 523.50 496.00 346.00 54.50 0.00 0.00 1947.00
1998 0.00 0.00 7.00 6.00 114.00 276.50 640.50 572.00 362.50 30.50 0.00 0.00 2009.00
1999 0.00 0.00 1.50 7.50 97.00 330.50 581.00 491.50 228.00 53.45 b 0.00 0.00 1790.45
2000 0.00 0.00 0.00 34.00 249.03 a 436.00 583.50 621.00 330.50 51.50 0.00 0.00 2305.53
2001 0.00 0.00 0.00 34.00 209.50 411.00 607.00 544.50 326.50 48.00 0.00 0.00 2180.50
2002 0.00 0.00 0.00 37.50 173.50 490.00 681.00 526.00 268.50 6.00 0.00 0.00 2182.50
Period of Record Statistics
MEAN 0.00 0.00 0.70 17.36 123.97 344.80 567.98 512.90 261.85 40.36 0.16 0.00 1870.23
S.D. 0.00 0.00 3.00 16.07 50.40 78.26 51.43 56.59 59.01 24.22 0.79 0.00 208.63
SKEW 0.00 0.00 6.70 0.92 0.48 0.39 -0.63 -0.60 -0.53 0.60 6.26 0.00 -1.03
MAX 0.00 0.00 23.50 61.00 249.03 601.00 681.00 622.00 362.50 103.50 6.00 0.00 2305.53
MIN 0.00 0.00 0.00 0.00 34.00 190.50 375.50 311.50 105.00 2.00 0.00 0.00 1059.00
NO YRS 71 70 69 69 69 68 70 72 72 72 72 71 61