TWO BUTTES, COLORADO

Monthly Total Growing Degree Days

(058510)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197203
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
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 817.00 643.00 189.00 63.50 1712.50
1901 69.48 b 48.74 a 146.50 371.50 654.00 1005.00 1255.00 1155.50 814.00 529.50 178.50 52.50 6280.22
1902 38.00 52.00 141.50 395.00 806.50 952.50 1122.00 1232.50 766.50 525.00 174.50 25.50 6231.50
1903 48.50 10.50 147.00 351.50 568.00 778.50 1287.50 1176.00 833.00 567.50 178.50 36.00 5982.50
1904 26.50 120.50 184.00 294.50 666.00 884.00 1073.00 1027.50 817.50 510.98 a 147.00 30.50 5781.98
1905 3.00 35.00 258.16 b 283.50 596.75 a 1033.50 1166.50 1177.47 b 845.50 376.28 b 161.50 0.00 z 5937.15
1906 5.00 68.50 63.50 233.00 653.50 843.46 d 934.00 999.50 754.50 187.00 p 104.50 125.15 d 4784.61
1907 23.25 a 74.26 e 247.00 f 341.90 a 506.50 814.66 a 816.00 h 1045.96 d 894.64 b 294.50 j 79.29 b 41.00 i 3780.45
1908 5.00 p 47.50 241.00 407.00 592.50 929.50 1041.08 a 1146.48 a 929.50 552.50 195.50 17.00 6099.57
1909 86.00 35.00 128.43 c 324.50 568.50 964.50 1192.00 1206.23 c 795.50 438.50 246.50 15.50 6001.16
1910 55.28 a 42.00 393.00 386.00 580.73 a 1002.41 a 1202.11 d 1124.50 811.50 560.00 207.41 a 16.50 6381.46
1911 142.17 b 65.50 g 227.33 d 379.00 753.09 b 1054.00 1138.00 638.00 k 959.42 d 456.00 124.00 13.00 5246.02
1912 0.00 13.00 25.66 b 386.00 840.10 a 848.00 1098.50 1033.00 0.00 z 566.50 195.00 15.50 5021.26
1913 25.50 35.50 165.85 a 401.00 829.50 875.00 1171.00 1173.50 657.00 409.20 a 152.50 0.00 5895.55
1914 34.50 38.00 129.50 364.66 a 621.00 967.50 74.50 z 1054.00 898.00 449.00 187.50 19.24 b 4762.90
1915 5.50 30.07 a 42.76 b 416.00 464.47 b 744.00 939.00 879.50 789.50 481.50 236.38 a 78.00 5106.68
1916 20.50 82.50 288.00 319.50 642.00 908.00 1181.00 1076.73 a 739.14 a 448.00 143.00 45.00 5893.37
1917 6.89 d 37.15 b 111.50 151.03 a 440.50 941.11 c 1206.50 1002.00 796.00 399.00 107.50 45.00 5244.19
1918 39.50 30.50 162.00 159.50 643.00 1140.00 1121.50 1202.80 a 793.50 478.50 131.00 90.93 a 5992.73
1919 0.00 12.00 249.50 327.50 601.50 795.00 1072.00 1071.00 828.50 330.00 106.00 6.50 5399.50
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 190.00 274.00 624.00 915.50 1109.00 1103.00 867.00 599.00 209.00 68.00 5958.50
1922 0.00 62.00 168.50 314.00 627.50 949.00 1113.50 1155.00 945.50 491.00 83.50 17.57 a 5927.07
1923 65.10 a 9.00 87.50 397.24 a 615.00 1033.50 1392.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3599.34
1924 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1205.50 746.50 585.38 a 196.00 13.50 2746.88
1925 27.50 82.50 344.50 504.00 842.00 0.00 z 1193.00 1084.50 857.50 234.50 32.00 0.00 z 5202.00
1926 0.00 z 126.00 0.00 z 0.00 z 0.00 z 959.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1085.50
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 581.50 0.00 z 0.00 z 581.50
1928 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 760.00 1107.14 c 856.00 g 818.00 462.50 123.50 30.50 3301.64
1929 0.00 6.50 144.50 387.00 590.00 947.00 1175.00 1116.50 726.50 360.63 a 39.00 77.50 5570.13
1930 0.00 138.00 129.50 482.00 618.00 944.50 1131.50 1122.50 626.00 i 0.00 z 132.50 g 0.00 4566.00
1931 24.50 71.00 0.00 z 232.00 495.00 1017.50 1187.50 1069.00 1024.00 600.00 205.50 46.50 5972.50
1932 0.50 0.00 z 83.50 383.50 752.50 816.00 1240.50 1134.50 745.50 400.00 127.50 20.00 5704.00
1933 137.50 0.00 z 206.50 321.50 620.50 1085.00 1221.50 1062.50 986.00 527.50 225.00 131.00 6524.50
1934 49.50 82.50 178.50 424.00 865.00 1092.00 1389.00 1201.00 784.00 620.50 235.50 65.50 6987.00
1935 84.50 62.50 250.50 411.50 512.00 1032.50 1300.50 1153.50 840.50 533.00 106.00 14.00 6301.00
1936 18.00 59.00 237.00 425.00 710.00 228.50 v 924.50 h 854.00 h 813.00 403.00 134.50 61.00 2860.50
1937 1.50 33.50 108.50 364.50 749.00 921.50 1206.00 1229.00 866.50 478.50 134.00 31.00 a 6123.50
1938 28.50 94.00 144.00 j 396.50 661.50 979.50 1154.50 1171.50 861.50 596.00 112.50 10.50 6066.50
1939 21.50 6.00 202.50 410.00 627.50 892.80 e 1178.55 c 1072.50 930.00 526.00 87.50 159.00 6113.85
1940 0.00 66.00 169.00 343.50 682.00 910.50 1213.00 1030.50 876.50 609.00 144.81 d 43.50 g 6044.81
1941 19.50 57.50 126.50 389.00 761.00 889.50 841.50 i 612.00 m 567.50 h 499.00 240.00 92.50 3074.50
1942 31.50 11.00 98.50 449.50 735.50 920.50 1169.00 1127.50 836.50 427.00 84.50 i 18.50 5825.00
1943 42.00 74.00 194.50 510.00 549.50 994.50 1161.50 1192.00 780.00 437.00 112.50 8.00 6055.50
1944 22.50 50.00 84.00 192.00 669.00 920.00 1042.63 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2980.13
1945 0.00 z 0.00 z 0.00 z 385.50 0.00 z 992.00 0.00 z 0.00 z 486.00 564.00 0.00 z 0.00 z 2427.50
1946 4.50 1.50 297.00 561.00 519.00 0.00 z 0.00 z 916.50 755.00 518.00 19.00 41.00 3632.50
1947 11.50 19.50 154.00 369.50 628.50 0.00 z 0.00 z 0.00 z 853.00 0.00 z 0.00 z 0.00 z 2036.00
1948 0.00 z 25.50 114.00 517.00 682.00 914.00 1111.50 1046.77 a 873.00 475.50 87.50 50.50 5897.27
1949 5.17 a 0.00 z 153.50 0.00 z 412.50 m 877.50 1073.00 1004.50 756.50 415.00 257.00 27.50 4569.67
1950 69.50 74.00 90.00 i 334.50 634.00 958.50 1008.00 945.50 719.00 663.50 139.50 46.00 5592.00
1951 38.50 80.00 110.00 288.50 638.00 733.50 1116.50 1102.50 757.00 425.00 70.50 42.37 a 5402.37
1952 56.00 43.00 92.00 333.50 662.50 1180.50 1179.50 1169.00 831.50 445.00 88.00 p 20.67 a 6013.17
1953 128.50 53.00 219.50 290.00 587.00 1115.50 1174.00 1077.50 894.50 504.00 172.00 14.50 6230.00
1954 44.00 150.00 128.00 510.00 604.50 a 1031.00 1222.95 a 1081.50 944.00 464.00 159.50 65.00 6404.45
1955 27.00 23.50 154.00 408.50 656.96 e 813.50 1176.00 1110.00 825.50 542.00 135.00 78.00 5949.96
1956 46.00 31.00 98.50 w 285.50 792.00 1062.00 1064.50 1009.00 807.50 550.00 107.00 57.50 5812.00
1957 20.15 a 99.50 122.00 280.50 583.00 871.50 1196.08 a 1111.00 751.00 478.50 89.50 83.00 5685.73
1958 22.50 74.50 17.50 287.00 752.00 965.00 1064.50 1121.50 861.50 492.50 161.50 22.00 5842.00
1959 17.00 16.50 102.00 347.00 653.50 969.31 a 1073.63 a 1133.50 741.00 357.50 157.50 29.45 a 5597.89
1960 31.00 0.00 161.00 471.00 636.00 951.50 1059.50 1108.00 809.50 485.50 152.59 a 42.00 5907.59
1961 20.50 77.50 130.50 322.00 703.50 945.00 1086.00 1047.50 689.00 455.00 65.69 a 29.50 5571.69
1962 20.00 130.50 96.00 385.50 794.00 880.50 1069.50 1133.00 782.50 561.50 151.00 56.50 6060.50
1963 18.00 100.50 224.00 497.50 786.50 989.00 1226.50 1141.50 924.00 696.50 177.50 2.00 6783.50
1964 44.50 0.00 77.50 307.00 687.50 915.00 1270.00 1046.00 0.00 z 481.50 179.50 0.00 n 5008.50
1965 68.41 b 56.00 50.50 468.00 651.50 843.00 1100.00 1066.50 716.00 583.00 302.00 68.50 5973.41
1966 15.50 0.00 a 240.50 278.00 813.00 992.50 920.50 h 1015.85 e 689.50 0.00 z 18.50 48.00 4111.35
1967 89.00 h 66.50 312.00 526.00 592.50 706.50 g 1151.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2648.00
1968 0.00 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
1969 0.00 z 0.00 z 0.00 z 319.00 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1970 0.00 z 0.00 z 0.00 z 0.00 z 607.50 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1971 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 228.00 o 479.98 a 152.00 52.00 683.98
1972 48.50 53.94 d 277.81 e 0.00 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 380.25
Period of Record Statistics
MEAN 33.80 53.11 163.90 366.50 656.53 940.03 1151.07 1098.21 815.72 497.11 147.37 43.50 5957.35
S.D. 32.72 36.86 79.58 87.92 96.68 95.56 90.22 76.63 88.49 86.12 60.16 33.47 407.39
SKEW 1.62 0.62 0.60 -0.10 0.20 0.05 0.21 -0.52 -0.55 -0.26 0.01 1.26 0.22
MAX 142.17 150.00 393.00 561.00 865.00 1180.50 1392.00 1232.50 1024.00 696.50 302.00 159.00 6987.00
MIN 0.00 0.00 17.50 151.03 440.50 733.50 934.00 879.50 486.00 234.50 18.50 0.00 5106.68
NO YRS 58 58 57 61 60 59 55 55 58 59 58 56 31