CHACO CANYON NATL MON, NEW MEXICO

Monthly Total Growing Degree Days

(291647)

Base Temperature = 50 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1922 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 590.69 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 590.69
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 621.50 0.00 z 0.00 z 0.00 z 0.00 z 621.50
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 0.00 z 0.00 z 0.00
1937 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
1938 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
1939 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
1940 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
1941 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
1942 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
1943 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
1944 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
1945 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
1946 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
1947 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
1948 0.00 d 0.00 0.00 113.50 310.00 494.00 746.00 685.50 477.50 122.34 c 0.00 0.00 l 2948.84
1949 0.00 g 0.00 5.34 b 137.31 d 214.00 488.50 725.50 672.00 524.50 108.50 0.00 0.00 2875.65
1950 0.00 0.52 a 5.37 e 95.00 222.17 a 536.38 a 729.50 651.00 372.50 294.50 b 0.00 a 0.00 i 2906.93
1951 0.00 j 0.00 1.79 e 73.00 296.05 a 480.00 827.00 673.50 429.64 b 77.50 f 0.00 h 0.00 g 2780.98
1952 0.00 b 0.00 c 0.00 b 42.00 281.00 529.00 673.22 a 709.79 b 418.89 c 96.00 f 10.00 0.00 g 2663.90
1953 0.00 0.00 g 27.12 c 58.27 d 188.21 c 621.92 d 774.50 627.75 c 349.50 f 89.50 g 1.55 a 0.00 2299.33
1954 0.00 b 0.00 0.00 b 145.38 d 318.78 a 541.07 b 733.00 606.00 423.10 a 138.50 h 0.00 f 0.00 2767.34
1955 0.00 a 0.00 d 0.00 g 18.00 h 155.00 b 320.50 g 645.00 660.30 a 414.64 b 138.43 b 0.00 f 0.00 b 2013.37
1956 0.00 a 0.00 l 0.57 d 14.00 k 233.69 e 578.89 c 652.55 a 577.24 b 442.22 c 143.24 b 0.00 0.00 c 2628.41
1957 0.00 a 1.00 0.00 b 37.20 e 144.48 c 363.00 h 692.50 633.43 a 341.25 b 111.48 e 0.00 0.00 1961.35
1958 0.00 a 0.00 d 0.00 d 29.00 f 326.65 d 411.50 j 726.20 d 717.59 d 395.77 d 112.00 g 0.54 b 0.00 a 2166.75
1959 0.00 e 0.00 c 0.00 f 74.00 217.00 d 593.33 c 446.00 l 234.50 s 345.60 e 49.71 b 1.50 0.00 a 1281.14
1960 0.00 0.00 j 5.00 v 91.00 208.50 549.00 283.50 t 481.00 i 433.00 69.00 6.00 0.00 1356.50
1961 0.00 0.00 4.50 38.00 j 233.00 551.00 674.50 602.50 242.00 30.00 0.00 0.00 2337.50
1962 0.00 0.00 0.00 z 78.50 159.00 440.50 646.00 610.00 383.50 66.50 0.00 0.00 2384.00
1963 0.00 b 0.00 b 10.50 43.00 268.00 411.50 753.00 615.00 432.50 130.00 0.00 0.00 2663.50
1964 0.00 a 0.00 0.00 16.50 228.00 430.56 c 690.30 c 542.50 319.00 59.50 0.00 0.00 2286.36
1965 0.00 0.00 0.00 0.00 z 128.50 320.00 631.00 517.50 245.50 44.00 1.00 0.00 1887.50
1966 0.00 0.00 1.00 50.00 294.00 479.46 b 758.00 640.67 a 385.50 75.00 0.00 1.50 2685.13
1967 0.00 4.00 25.50 50.69 a 196.00 423.62 a 720.50 594.50 250.00 k 99.50 3.00 0.00 2117.31
1968 0.00 0.00 0.00 2.50 132.50 460.50 626.00 408.50 f 292.50 66.50 0.00 0.00 1580.50
1969 0.00 0.00 0.00 40.00 273.00 428.00 710.00 699.00 404.50 68.50 0.00 0.00 2623.00
1970 0.00 0.00 0.00 5.00 226.00 431.50 0.00 z 727.50 335.50 43.00 0.00 0.00 1768.50
1971 0.00 0.00 38.00 23.50 108.00 472.00 733.50 640.00 322.50 58.00 0.00 0.00 2395.50
1972 0.00 1.50 13.00 40.00 201.00 513.00 741.50 625.00 392.50 163.50 0.00 0.00 2691.00
1973 0.00 0.00 0.00 6.50 160.50 0.00 z 0.00 z 622.50 326.00 66.50 9.00 0.00 z 1191.00
1974 0.00 a 0.00 11.22 b 44.50 333.00 627.22 c 663.40 a 566.78 a 291.72 a 108.50 0.00 0.00 2646.35
1975 0.00 0.00 1.00 13.39 b 141.05 a 393.62 a 658.50 556.97 a 316.55 a 76.98 a 0.00 0.00 2158.07
1976 0.00 1.00 0.00 c 37.50 b 256.27 a 514.14 a 732.50 585.00 341.00 34.50 1.61 b 0.00 a 2503.51
1977 0.00 a 0.00 0.00 a 64.50 157.07 a 521.00 714.03 a 670.00 423.75 b 114.18 a 7.00 0.00 b 2671.53
1978 0.00 a 1.04 a 13.00 41.90 a 207.70 a 538.00 746.50 603.98 a 370.86 a 97.65 a 8.79 a 0.00 b 2629.42
1979 0.00 0.00 0.00 62.00 198.50 436.03 a 628.78 a 544.16 c 436.00 142.50 0.00 b 0.00 a 2447.98
1980 0.00 c 0.00 c 0.00 43.20 e 148.28 a 537.50 743.45 c 0.00 z 391.50 97.98 c 2.88 d 0.00 c 1964.80
1981 0.00 b 0.00 z 1.55 a 109.00 226.09 b 573.00 e 698.10 e 422.00 k 401.11 c 83.00 1.55 a 0.00 b 2093.40
1982 0.00 0.00 0.00 58.00 107.50 k 449.50 662.00 557.47 b 392.50 47.00 0.00 0.00 2166.47
1983 0.00 0.00 0.50 24.50 155.50 345.50 564.50 427.50 k 436.50 79.50 5.00 0.00 1611.50
1984 0.00 0.00 0.50 24.00 334.50 476.50 706.00 612.50 411.00 44.50 0.00 0.00 2609.50
1985 0.00 0.00 5.50 52.00 248.50 548.50 710.50 657.50 279.00 62.00 6.50 0.00 2570.00
1986 0.00 0.00 6.00 93.00 242.00 528.50 618.50 694.00 304.00 57.00 0.00 0.00 2543.00
1987 0.00 0.00 0.00 63.50 233.50 487.00 643.50 582.80 a 318.00 115.00 7.50 0.00 2450.80
1988 0.00 0.00 10.00 37.24 a 229.00 539.00 721.00 634.50 322.50 102.00 3.50 0.00 2598.74
1989 0.00 0.00 23.50 108.00 299.00 536.00 716.50 598.50 382.50 89.50 0.00 0.00 2753.50
1990 0.00 0.00 12.50 88.00 259.50 601.50 677.00 589.00 463.00 55.50 3.00 0.00 2749.00
1991 0.00 0.00 0.00 38.50 198.00 461.50 645.50 629.50 354.50 113.50 1.50 0.00 2442.50
1992 0.00 0.00 0.00 98.00 240.00 432.00 616.00 583.50 364.00 112.00 0.00 0.00 2445.50
1993 0.00 0.00 0.00 52.50 259.00 440.50 691.00 595.50 315.00 67.50 0.00 0.00 2421.00
1994 0.00 0.50 4.00 i 85.00 219.50 581.50 767.00 726.50 380.50 72.00 0.00 0.00 2832.50
1995 0.00 a 0.00 15.00 48.00 140.00 387.50 664.00 741.50 415.50 57.00 0.00 0.00 p 2468.50
1996 0.00 8.00 2.00 80.50 398.50 573.00 752.50 675.00 298.50 125.50 1.50 0.00 2915.00
1997 0.00 0.00 8.00 48.00 299.50 470.00 636.00 618.00 477.00 93.00 0.00 0.00 2649.50
1998 0.00 0.00 4.50 24.50 218.00 426.50 728.00 654.50 456.00 93.50 0.00 0.00 2605.50
1999 0.00 0.00 8.50 46.00 193.00 466.50 683.00 601.50 318.50 99.50 0.00 0.00 2416.50
2000 0.00 a 0.00 3.50 112.00 324.00 584.00 736.00 605.00 415.00 90.50 0.00 0.00 b 2870.00
2001 0.00 0.00 0.00 73.50 301.22 a 589.00 731.00 625.50 416.50 106.00 8.79 a 0.00 d 2851.51
2002 0.00 0.00 5.50 102.50 257.00 608.50 759.00 632.00 407.00 38.50 0.00 0.00 2810.00
2003 0.00 0.00 0.50 39.83 a 292.50 480.50 815.00 674.00 381.00 171.00 5.00 0.00 a 2859.33
2004 0.00 0.00 27.00 38.00 256.50 511.50 650.00 590.00 349.00 68.50 7.00 0.00 2497.50
2005 0.00 0.00 3.10 a 0.00 z 58.90 a 445.00 751.50 623.00 453.50 89.50 14.50 0.00 2439.00
2006 0.00 0.00 7.23 a 78.62 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 85.85
Period of Record Statistics
MEAN 0.00 0.32 5.61 59.48 228.91 499.54 700.73 628.31 378.27 90.80 2.15 0.03 2595.48
S.D. 0.00 1.22 8.56 33.26 66.67 70.78 53.01 50.42 60.64 43.73 3.41 0.21 177.19
SKEW 0.00 5.20 1.97 0.53 -0.04 -0.22 -0.09 0.26 -0.14 2.00 1.66 7.00 -0.24
MAX 0.00 8.00 38.00 145.38 398.50 627.22 827.00 741.50 524.50 294.50 14.50 1.50 2915.00
MIN 0.00 0.00 0.00 2.50 58.90 320.00 564.50 517.50 242.00 30.00 0.00 0.00 2158.07
NO YRS 57 55 54 53 57 55 54 53 56 53 55 52 31