TRINIDAD, COLORADO

Monthly Total Growing Degree Days

(058429)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1898 0.00 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
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 134.00 g 57.50 57.50
1900 71.00 26.50 195.00 211.50 589.50 850.00 1027.00 1001.00 726.50 498.50 221.79 b 51.50 5469.79
1901 85.50 48.50 133.50 325.50 575.00 886.50 1078.50 970.50 736.00 463.50 213.00 93.50 5609.50
1902 24.50 77.50 73.50 396.50 627.00 853.50 936.00 952.50 624.00 390.50 148.50 56.50 5160.50
1903 41.00 0.50 150.00 315.00 523.50 620.00 985.00 942.00 648.50 408.00 172.00 20.00 4825.50
1904 21.50 174.50 241.00 374.50 578.00 695.00 933.50 891.50 688.50 371.00 139.00 111.00 5219.00
1905 38.75 a 98.50 250.00 200.00 547.00 909.00 885.50 931.00 761.50 364.00 147.00 8.00 5140.25
1906 52.50 50.50 92.50 305.00 582.50 861.50 854.57 a 915.00 654.00 337.00 166.50 124.00 4995.57
1907 78.50 110.00 353.50 302.00 377.00 693.33 c 0.00 z 0.00 z 738.00 557.00 0.00 z 0.00 z 3209.33
1908 15.00 0.00 z 257.50 300.52 a 525.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1098.02
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 16.00 x 110.00 3.50 113.50
1912 29.00 5.50 51.00 216.00 532.00 695.00 929.50 915.50 500.50 367.00 119.00 9.50 4369.50
1913 25.50 18.50 92.00 304.50 621.00 746.00 978.00 969.00 553.50 306.00 156.50 0.00 4770.50
1914 88.00 28.50 127.50 279.00 567.00 844.50 913.00 894.50 766.50 383.50 155.50 0.00 5047.50
1915 5.50 52.00 41.50 289.00 415.50 757.00 892.00 789.00 692.50 393.00 182.00 54.50 4563.50
1916 55.00 80.50 283.50 263.00 567.00 812.00 1014.50 885.50 680.00 380.50 133.50 41.00 5196.00
1917 21.50 53.00 102.00 238.50 346.00 789.00 1031.50 880.50 710.50 399.00 171.50 92.50 4835.50
1918 26.00 101.50 219.00 182.00 578.00 910.00 949.00 924.00 614.00 460.50 120.00 53.00 5137.00
1919 9.00 25.00 114.00 340.50 570.00 755.00 980.50 977.00 789.00 394.50 137.50 64.50 5156.50
1920 103.00 60.00 119.50 200.00 575.50 759.50 960.50 827.50 687.00 424.00 95.50 30.50 4842.50
1921 88.00 83.00 255.00 250.50 587.00 748.50 953.00 918.50 815.00 509.00 221.00 161.00 5589.50
1922 19.00 j 87.50 144.50 281.50 560.00 879.00 999.00 996.50 767.00 239.00 j 133.00 94.50 4942.50
1923 120.00 26.38 b 109.02 a 339.00 605.00 875.50 1006.50 853.53 a 633.50 0.00 z 64.50 11.50 4644.43
1924 4.50 69.00 66.00 281.50 493.00 924.00 975.50 978.00 702.50 459.00 183.50 35.00 5171.50
1925 18.00 70.00 270.50 388.00 632.00 892.50 1011.00 907.50 753.50 369.02 e 100.00 10.50 5422.52
1926 6.00 99.50 107.00 197.00 j 567.50 865.50 963.00 962.50 821.00 527.50 121.00 48.50 5089.00
1927 61.50 90.00 147.50 339.50 636.02 a 723.50 962.00 902.00 678.00 482.00 274.00 10.00 5306.02
1928 78.00 o 8.50 204.00 268.50 543.69 e 760.18 b 960.00 897.50 693.00 84.50 v 84.00 19.50 g 4419.37
1929 5.00 t 3.50 139.00 313.50 543.50 848.00 990.50 922.00 674.00 426.00 28.00 65.50 4953.50
1930 7.00 168.00 76.00 454.50 508.50 863.00 980.00 939.00 734.50 350.00 129.50 1.50 5211.50
1931 14.50 26.50 87.50 305.00 491.00 910.50 1017.12 b 937.50 845.50 502.50 166.55 a 48.50 g 5304.17
1932 5.50 l 30.00 k 107.47 a 354.00 640.50 743.50 1044.70 a 1010.50 702.60 e 466.07 b 197.00 14.98 a 5281.32
1933 28.00 46.67 a 209.00 259.66 a 532.17 a 882.50 1090.50 963.50 892.50 529.07 a 199.00 0.00 z 5632.56
1934 49.50 142.50 0.00 z 0.00 z 768.00 897.50 1095.50 791.00 g 708.50 564.50 221.50 40.50 4488.00
1935 95.50 67.50 206.84 b 308.00 427.50 840.50 1027.00 998.50 701.11 c 488.54 d 70.00 f 13.00 5173.99
1936 29.00 67.00 242.26 d 431.50 642.00 890.00 1040.50 995.50 519.50 g 181.00 m 0.00 z 44.50 4382.26
1937 14.43 b 52.50 67.50 362.50 645.50 784.00 1084.50 1097.50 768.50 371.48 a 168.00 57.00 5473.41
1938 26.35 a 81.50 128.50 292.50 496.00 820.00 1016.36 c 1051.50 874.50 477.50 114.50 37.50 5416.71
1939 26.02 c 0.50 187.50 365.00 622.58 a 844.00 974.00 883.50 786.50 374.14 b 64.00 138.00 5265.74
1940 5.17 a 44.00 154.50 261.50 552.00 799.00 989.00 863.87 a 707.07 a 480.00 96.50 70.50 5023.10
1941 13.50 37.50 82.67 d 234.00 0.00 z 0.00 z 910.00 939.50 664.50 383.00 144.50 0.00 z 3409.17
1942 0.00 z 0.00 z 0.00 z 323.50 553.00 804.00 951.50 912.50 630.00 346.50 219.50 47.00 4787.50
1943 57.50 84.50 145.50 426.50 528.50 839.50 1010.50 998.00 674.00 352.50 105.00 6.50 5228.50
1944 9.50 46.50 72.00 148.00 517.00 789.50 930.00 954.00 694.66 a 417.50 154.00 10.00 4742.66
1945 19.50 55.00 121.00 215.00 571.00 700.00 957.00 956.50 690.50 454.00 172.50 0.00 z 4912.00
1946 18.50 61.50 174.50 467.00 457.00 907.50 1003.00 962.00 736.50 410.50 82.00 130.00 5410.00
1947 12.50 24.50 99.00 235.00 548.50 750.50 981.00 984.00 779.50 509.00 25.50 29.50 4978.50
1948 44.50 26.50 100.50 444.50 558.50 778.00 975.00 946.50 782.00 386.00 83.00 63.50 5188.50
1949 0.00 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
1950 0.00 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
1951 0.00 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
1952 0.00 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
1953 0.00 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
1954 0.00 z 144.50 109.00 485.50 574.50 941.50 1062.78 a 947.57 a 853.50 487.00 181.00 57.50 5844.35
1955 32.50 41.00 138.00 287.00 540.00 750.00 964.62 a 938.00 745.50 486.00 122.50 122.50 5167.62
1956 82.00 23.50 182.00 271.50 732.50 962.00 986.50 916.00 824.00 512.50 78.00 54.50 5625.00
1957 20.00 163.00 132.00 221.50 425.73 a 773.00 993.00 920.50 648.00 392.50 52.00 54.00 4795.23
1958 2.00 72.59 a 33.50 207.00 636.00 897.00 962.50 953.00 778.50 435.50 204.00 81.00 5262.59
1959 7.50 55.00 112.50 312.50 622.50 853.00 970.50 981.00 718.50 383.00 134.00 27.50 5177.50
1960 26.00 12.00 g 164.50 386.50 563.00 881.50 957.50 986.50 723.50 370.50 135.50 15.50 5210.50
1961 10.00 66.00 101.50 300.00 635.50 814.00 932.00 910.00 472.00 h 424.50 68.00 43.92 a 4305.42
1962 22.00 127.00 81.00 376.50 630.00 759.00 941.00 986.50 751.00 511.50 165.50 52.50 5403.50
1963 18.00 98.50 164.50 421.50 698.00 929.50 1085.00 a 869.00 780.50 569.50 167.00 25.00 5826.00
1964 19.00 f 8.50 54.50 273.50 621.00 850.50 1081.50 935.50 687.50 446.00 150.52 a 105.00 5214.02
1965 28.00 46.50 49.50 337.50 544.00 754.00 963.00 883.00 627.50 435.50 218.00 96.00 4982.50
1966 13.00 4.00 209.50 319.00 647.00 861.50 1080.50 893.00 705.50 399.00 243.00 54.50 5429.50
1967 86.00 55.00 306.00 426.00 488.50 756.50 964.00 843.00 655.50 460.00 170.00 15.50 5226.00
1968 29.00 23.50 134.50 223.00 503.00 880.50 927.50 862.50 669.00 490.00 107.00 63.50 4913.00
1969 119.50 27.00 76.50 378.00 589.00 687.50 1015.50 1017.00 746.50 268.50 114.50 96.00 5135.50
1970 69.00 56.00 68.00 242.00 637.50 790.50 996.00 1009.50 671.00 263.50 145.50 76.50 5025.00
1971 119.00 51.50 187.00 280.50 505.50 865.50 966.50 882.00 632.00 341.00 172.00 70.00 5072.50
1972 63.50 122.50 286.50 381.50 541.50 867.50 951.50 933.50 738.00 464.50 29.00 32.00 5411.50
1973 42.00 39.00 83.00 173.00 530.50 797.50 931.50 938.50 653.50 476.50 229.50 70.00 4964.50
1974 41.50 50.00 275.50 335.00 724.00 847.00 1003.00 833.00 577.00 435.00 78.00 11.50 5210.50
1975 30.50 29.00 124.50 286.00 510.50 808.50 940.50 963.50 603.50 480.50 142.00 56.00 4975.00
1976 19.50 106.50 155.50 339.00 495.50 829.50 1004.50 920.00 654.50 301.00 129.00 22.00 4976.50
1977 4.50 55.00 118.00 324.00 644.50 901.00 1015.50 932.50 782.00 446.50 151.50 90.00 5465.00
1978 1.50 17.00 182.50 384.50 510.00 862.00 1052.00 923.50 764.00 478.00 131.00 30.00 5336.00
1979 7.50 62.00 128.50 364.00 503.75 a 775.00 973.50 855.00 740.50 509.50 39.00 54.00 5012.25
1980 35.50 64.00 102.50 216.00 477.00 911.00 1068.00 968.50 775.50 387.00 211.00 160.50 5376.50
1981 31.50 122.50 111.50 514.50 581.50 955.50 1000.50 867.00 715.50 450.00 222.00 99.00 5671.00
1982 56.50 89.00 170.00 294.00 494.50 735.00 1000.50 950.00 704.50 371.00 80.50 52.00 4997.50
1983 16.00 42.50 116.50 224.50 431.00 687.00 1035.50 1000.50 812.50 470.50 184.50 18.50 5039.50
1984 14.50 18.50 56.00 200.50 678.00 813.50 1003.00 929.50 709.50 279.00 148.50 75.00 4925.50
1985 1.00 36.00 0.00 z 358.00 610.00 842.50 970.50 978.50 668.00 406.00 93.00 18.50 4982.00
1986 108.50 147.50 273.32 a 352.50 594.17 a 795.50 976.00 919.00 734.50 346.50 100.50 1.50 5349.48
1987 49.50 57.00 127.00 340.50 570.00 865.00 1046.50 889.50 664.00 458.00 142.00 62.50 5271.50
1988 33.00 54.50 172.00 350.00 533.00 848.50 977.00 969.50 692.00 480.00 188.50 31.00 5329.00
1989 60.50 49.00 b 332.00 421.00 683.00 762.00 1034.50 929.50 699.00 445.50 196.00 29.50 5641.50
1990 53.00 46.50 182.00 380.50 564.50 998.00 921.00 900.50 772.00 458.00 207.50 31.50 5515.00
1991 5.00 60.50 163.50 341.00 706.00 869.00 947.00 908.50 692.00 476.50 86.00 14.00 5269.00
1992 17.00 52.50 163.00 440.00 610.50 783.50 919.00 867.50 737.50 456.00 34.50 23.50 5104.50
1993 35.00 24.00 158.50 312.50 547.50 831.00 998.00 849.50 607.00 372.50 62.00 40.00 4837.50
1994 28.50 65.50 195.00 328.00 659.00 966.00 969.50 969.50 710.00 424.00 153.50 63.00 5531.50
1995 72.00 149.50 221.00 261.50 487.50 759.00 957.50 1031.00 708.00 479.00 228.50 101.50 5456.00
1996 59.00 176.00 156.00 397.00 818.00 895.00 1013.50 958.00 703.00 459.50 196.50 111.08 a 5942.58
1997 93.50 54.50 254.50 197.50 565.00 828.00 1020.50 953.00 826.00 437.00 99.50 3.00 5332.00
1998 40.00 33.50 164.00 270.00 697.00 861.00 982.50 925.50 827.50 444.50 178.50 64.00 5488.00
1999 79.50 157.50 268.00 263.50 545.00 803.50 978.00 895.50 649.00 413.00 259.00 22.50 5334.00
2000 75.50 141.00 154.50 417.50 754.50 888.50 1046.00 1057.50 835.00 432.50 56.50 25.32 a 5884.32
2001 15.50 35.00 113.50 412.00 623.50 925.50 1086.50 975.50 771.00 496.50 230.00 45.00 5729.50
2002 56.00 71.00 190.00 466.50 678.50 1014.00 1080.00 1046.00 757.00 368.00 124.50 28.00 5879.50
2003 90.50 42.00 173.50 428.00 716.00 781.50 1180.50 1034.00 718.50 580.50 165.50 73.50 5984.00
2004 26.00 52.00 313.50 309.00 729.50 827.50 941.00 888.50 754.00 472.00 95.50 58.90 a 5467.40
2005 96.00 43.00 104.50 341.50 641.00 876.00 1084.00 958.00 881.00 484.00 238.00 91.00 5838.00
2006 123.00 59.00 238.50 533.00 665.00 927.00 1008.50 884.50 536.50 350.00 166.00 31.50 5522.50
2007 4.50 32.00 241.00 235.00 535.50 834.00 1068.50 1077.50 828.50 516.50 213.50 51.50 5638.00
2008 36.00 35.50 146.50 304.50 517.50 852.00 1020.00 942.00 728.50 426.50 174.50 48.50 5232.00
2009 64.50 70.00 231.50 290.50 659.00 806.00 991.00 927.50 628.50 246.50 171.50 14.50 5101.00
2010 11.00 0.00 90.50 345.00 620.50 911.50 995.00 996.50 831.00 462.00 128.00 81.00 5472.00
2011 18.50 46.85 b 242.32 a 338.00 524.50 891.72 a 1095.00 1065.50 700.00 421.00 129.31 a 25.83 a 5498.53
2012 64.00 24.00 292.00 0.00 z 612.25 a 926.67 c 1049.00 970.50 693.50 369.50 197.50 49.50 5248.42
2013 41.50 13.50 182.50 4.50 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 237.50
Period of Record Statistics
MEAN 41.06 61.67 158.83 319.73 577.95 832.65 994.48 940.34 718.45 429.39 145.68 51.34 5262.86
S.D. 32.15 42.06 72.27 79.44 82.97 74.22 54.40 57.12 73.74 67.98 56.10 36.38 315.89
SKEW 0.87 1.00 0.55 0.29 0.12 -0.20 0.42 0.21 -0.08 -0.32 -0.12 0.85 0.01
MAX 123.00 176.00 353.50 533.00 818.00 1014.00 1180.50 1097.50 892.50 580.50 274.00 161.00 5984.00
MIN 1.00 0.00 33.50 148.00 346.00 620.00 854.57 789.00 500.50 246.50 25.50 0.00 4369.50
NO YRS 99 102 103 102 104 103 103 102 102 100 102 100 83