CHACO CANYN NATL MON, NEW MEXICO

Monthly Total Growing Degree Days

(291647)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201103
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
1909 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
1910 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
1911 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
1912 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 708.50 i 613.00 317.50 25.50 1.00 957.00
1913 0.00 z 2.33 d 53.50 238.50 538.50 438.00 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 832.83
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 0.00 z 0.00 z 0.00 z 0.00 z 331.00 p 890.69 a 1080.83 e 1029.41 b 793.00 377.00 26.00 14.50 4211.43
1923 12.50 4.85 b 39.00 239.50 571.50 748.00 1056.50 887.00 0.00 z 0.00 z 0.00 z 0.00 z 3558.85
1924 0.00 z 0.00 z 0.00 z 0.00 z 179.50 u 815.00 987.50 931.50 620.89 b 342.00 42.50 k 0.00 s 3696.89
1925 0.00 z 0.00 z 72.50 109.00 r 0.00 z 414.50 n 1006.00 879.00 650.50 0.00 z 0.00 z 0.00 z 2608.00
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 1028.68 a 1001.82 a 0.00 z 0.00 z 51.00 0.00 z 2081.50
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 806.50 0.00 z 0.00 z 0.00 z 806.50
1934 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 31.00 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 711.50 0.00 z 0.00 z 0.00 z 711.50
1939 1.50 0.00 z 48.00 260.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 50.50 360.00
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 742.00 0.00 z 126.50 0.00 z 868.50
1941 0.00 z 22.50 121.50 0.00 z 635.50 642.50 0.00 z 0.00 z 0.00 z 342.00 122.00 9.00 1895.00
1942 0.00 z 6.50 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 6.50
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 10.91 d 23.50 45.00 364.50 619.00 794.00 1056.00 995.50 777.50 409.64 c 39.00 5.50 l 5134.55
1949 6.50 g 11.50 84.98 b 388.27 d 519.50 788.50 1035.50 982.00 824.50 323.50 86.00 6.50 5050.75
1950 13.00 43.04 a 112.67 e 361.50 513.57 a 836.38 a 1039.50 961.00 672.50 604.50 b 88.45 a 6.00 i 5246.10
1951 5.50 j 32.00 53.06 e 286.50 579.70 a 780.00 1137.00 983.50 729.64 b 280.00 f 9.50 h 9.00 g 4581.40
1952 7.48 b 6.13 c 33.14 b 268.50 580.50 829.00 983.22 a 1019.79 b 718.89 c 342.50 f 77.00 0.00 g 4523.65
1953 8.50 9.00 g 142.82 c 237.12 d 419.05 c 921.92 d 1084.50 937.75 c 589.50 f 289.50 g 93.10 a 0.00 3844.77
1954 11.22 b 15.50 51.31 b 425.77 d 620.52 a 841.07 b 1043.00 916.00 723.10 a 362.50 h 38.00 f 7.50 4655.00
1955 0.00 a 1.75 d 32.50 g 115.50 h 444.16 b 550.50 g 955.00 970.30 a 714.64 b 394.98 b 12.00 f 16.03 b 3496.86
1956 22.22 a 1.00 l 72.33 d 108.50 k 540.71 e 878.89 c 962.55 a 887.24 b 742.22 c 380.55 b 7.00 0.00 c 4493.72
1957 13.43 a 71.50 70.55 b 202.80 e 425.14 c 583.00 h 1002.50 943.43 a 641.25 b 324.90 e 25.50 4.00 3725.01
1958 0.00 a 54.25 d 37.89 d 167.00 f 634.93 d 611.50 j 1036.20 d 1027.59 d 695.77 d 291.50 g 46.07 b 15.50 a 3548.20
1959 0.00 e 12.88 c 28.00 f 280.00 519.54 d 893.33 c 636.00 l 354.50 s 645.00 e 300.91 b 29.00 0.00 a 2680.66
1960 0.00 0.00 j 74.50 v 308.50 507.00 849.00 393.50 t 701.00 i 733.00 297.00 77.00 4.50 2776.00
1961 0.00 18.00 83.50 181.00 j 535.50 851.00 984.50 912.50 539.50 226.50 17.00 2.00 4170.00
1962 0.00 24.00 0.00 z 329.50 440.00 740.50 956.00 920.00 683.50 341.00 61.00 0.00 4495.50
1963 0.00 b 9.69 b 81.50 205.50 577.00 711.50 1063.00 925.00 732.50 427.00 63.50 0.00 4796.19
1964 0.00 a 0.00 12.00 144.00 504.50 730.56 c 1000.30 c 852.50 619.00 303.50 20.50 0.50 4187.36
1965 2.50 6.50 44.50 0.00 z 403.50 620.00 941.00 827.50 520.50 286.00 117.00 9.50 3778.50
1966 0.00 0.00 90.50 260.00 604.00 779.46 b 1068.00 950.67 a 685.50 317.00 60.00 24.50 4839.63
1967 9.00 24.00 183.50 244.66 a 445.50 723.62 a 1030.50 904.50 440.00 k 345.00 93.50 0.00 4003.78
1968 0.00 17.00 37.50 132.00 421.00 760.50 936.00 658.50 f 588.00 304.50 20.00 0.00 3216.50
1969 11.50 1.50 42.50 251.50 566.50 728.00 1020.00 1009.00 704.50 273.00 27.50 9.50 4645.00
1970 5.00 15.00 9.00 110.00 510.50 731.00 0.00 z 1037.50 625.50 207.00 51.00 0.00 3301.50
1971 10.50 18.50 135.50 183.00 402.00 772.00 1043.50 950.00 610.50 271.00 34.00 12.00 4442.50
1972 2.00 25.50 146.00 232.00 492.50 813.00 1051.50 935.00 692.00 413.00 15.00 0.00 4817.50
1973 0.00 9.50 21.50 128.50 442.50 0.00 z 0.00 z 932.50 621.00 303.00 133.00 0.00 z 2591.50
1974 0.00 a 2.00 168.36 b 179.00 638.00 927.22 c 973.40 a 876.78 a 582.41 a 381.00 22.50 0.00 4750.68
1975 10.00 2.00 67.00 150.54 b 409.20 a 693.62 a 968.50 866.97 a 616.55 a 297.60 a 61.50 0.00 4143.48
1976 0.50 21.00 44.84 c 253.39 b 560.07 a 814.14 a 1042.50 895.00 641.00 226.00 24.11 b 0.00 a 4522.54
1977 0.00 a 5.50 36.17 a 281.50 443.82 a 821.00 1024.03 a 980.00 723.75 b 390.08 a 68.00 13.90 b 4787.75
1978 9.82 a 40.96 a 132.00 257.59 a 475.85 a 838.00 1056.50 913.98 a 667.24 a 365.80 a 95.69 a 0.00 b 4853.43
1979 0.00 2.50 43.00 252.50 470.50 733.97 a 938.78 a 854.16 c 736.00 405.00 10.71 b 2.07 a 4449.19
1980 16.05 c 9.48 c 42.50 222.60 e 443.30 a 837.50 1053.45 c 0.00 z 691.50 277.89 c 91.15 d 6.09 c 3691.52
1981 0.00 b 0.00 z 43.40 a 349.00 514.71 b 873.00 e 1008.10 e 622.00 k 701.11 c 310.50 73.97 a 16.03 b 3889.81
1982 9.50 10.50 88.00 259.00 292.00 k 749.50 972.00 867.47 b 692.50 269.00 33.00 6.50 3956.97
1983 3.50 1.50 57.50 155.00 420.00 645.50 874.50 627.50 k 736.50 363.00 97.50 2.50 3357.00
1984 0.00 0.00 46.00 151.50 642.00 776.50 1016.00 922.50 711.00 215.50 52.50 2.00 4535.50
1985 0.00 25.00 107.50 279.50 553.50 848.50 1020.50 967.50 572.50 346.50 95.50 1.50 4818.00
1986 16.00 65.00 122.50 324.00 533.50 828.50 928.50 1004.00 601.00 274.50 43.00 8.50 4749.00
1987 0.00 9.50 47.50 263.50 543.50 787.00 953.50 892.80 a 618.00 375.50 74.00 3.00 4567.80
1988 1.50 17.50 88.00 244.14 a 515.50 839.00 1031.00 944.50 620.50 407.00 104.00 0.00 4812.64
1989 0.00 30.00 202.00 361.50 608.00 836.00 1026.50 908.50 682.50 333.00 28.50 0.00 5016.50
1990 0.00 11.50 120.50 342.50 562.00 901.50 987.00 899.00 763.00 296.50 72.00 0.00 4955.50
1991 0.00 15.00 37.50 231.00 492.00 757.00 955.50 939.50 654.50 386.00 59.00 0.00 4527.00
1992 0.00 3.50 65.50 353.50 550.00 732.00 926.00 893.50 664.00 395.00 10.50 0.50 4594.00
1993 4.00 15.00 64.00 246.00 545.00 740.50 1001.00 905.50 615.00 280.00 23.50 1.00 4440.50
1994 0.00 14.50 72.00 i 282.00 527.50 881.50 1077.00 1036.50 680.50 297.50 49.00 12.00 4858.00
1995 3.62 a 38.50 127.50 208.00 434.00 687.50 974.00 1051.50 715.50 297.00 50.50 20.50 p 4587.62
1996 5.00 52.00 71.50 291.00 708.50 873.00 1062.50 985.00 590.50 334.50 48.50 13.50 5035.50
1997 3.00 8.00 136.50 215.00 603.00 770.00 946.00 928.00 777.00 292.00 30.50 0.00 4709.00
1998 0.00 7.50 97.00 160.50 528.00 726.50 1038.00 964.50 756.00 360.00 68.50 17.50 4724.00
1999 25.00 6.00 154.50 217.50 473.00 765.00 993.00 911.50 614.50 316.00 89.00 4.00 4569.00
2000 31.52 a 38.50 80.00 374.00 628.50 884.00 1046.00 915.00 712.00 329.50 4.00 0.00 b 5043.02
2001 0.00 11.50 90.00 291.50 593.13 a 887.50 1041.00 935.50 716.50 377.50 136.55 a 6.31 d 5087.00
2002 0.00 4.50 99.00 376.50 563.50 908.50 1069.00 942.00 707.00 270.50 29.50 0.50 4970.50
2003 3.00 14.50 80.00 248.79 a 581.50 780.50 1125.00 984.00 681.00 457.50 76.50 8.78 a 5041.08
2004 0.50 13.00 186.00 249.00 556.50 811.50 960.00 900.00 642.00 314.50 36.00 7.00 4676.00
2005 19.00 25.50 67.68 a 0.00 z 281.07 a 745.00 1061.50 933.00 753.50 362.00 111.00 5.00 4364.25
2006 2.50 20.00 108.50 331.03 a 666.50 900.00 1078.00 959.50 559.50 303.00 47.50 1.79 e 4977.82
2007 0.52 a 10.50 176.50 313.00 572.50 611.00 i 1059.00 1036.50 727.00 329.00 99.50 19.50 4343.52
2008 0.52 a 4.14 a 83.91 b 204.50 465.53 b 863.00 1043.00 987.00 672.50 301.73 a 71.25 b 13.29 c 4710.38
2009 4.50 25.41 a 123.50 230.00 665.50 757.00 1093.00 940.50 459.00 h 251.88 c 78.89 c 0.00 a 4170.17
2010 0.00 0.00 a 51.00 70.50 v 488.77 a 887.50 1086.50 935.50 745.50 407.50 66.72 a 27.00 4695.99
2011 0.00 c 25.93 a 119.50 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 145.43
Period of Record Statistics
MEAN 4.86 16.95 84.41 258.16 527.25 799.64 1017.16 941.72 679.38 332.73 59.48 6.34 4721.06
S.D. 7.03 15.75 45.69 71.68 80.34 72.68 52.64 51.60 65.58 64.79 34.04 8.86 237.87
SKEW 1.72 1.50 0.68 0.09 -0.26 -0.28 -0.24 0.22 -0.18 1.09 0.37 2.48 -0.51
MAX 31.52 71.50 202.00 425.77 708.50 927.22 1137.00 1051.50 824.50 604.50 136.55 50.50 5087.00
MIN 0.00 0.00 9.00 110.00 281.07 620.00 874.50 827.50 520.50 207.00 4.00 0.00 4143.48
NO YRS 64 64 64 59 65 62 64 62 67 62 65 61 33