HOLYOKE, COLORADO

Monthly Total Growing Degree Days

(054082)

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
1893 0.00 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
1894 0.00 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
1895 0.00 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
1896 0.00 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
1897 0.00 z 6.00 t 95.00 281.00 826.00 0.00 z 36.50 z 0.00 z 0.00 z 0.00 z 12.00 z 0.00 z 1202.00
1898 27.50 31.00 27.00 311.00 495.50 893.50 1033.50 505.00 m 0.00 z 0.00 z 0.00 z 9.00 2828.00
1899 1.00 0.00 23.00 g 255.00 f 577.50 871.03 a 1021.00 1063.00 799.44 c 374.50 109.00 5.17 a 4821.65
1900 18.00 4.00 124.50 257.50 645.50 952.50 989.42 a 1126.00 435.00 k 423.67 a 62.50 17.00 4620.58
1901 3.32 c 5.00 73.50 273.00 611.50 859.14 a 1219.73 e 1053.50 724.20 e 0.00 z 113.50 f 27.00 4849.89
1902 10.00 12.00 96.88 c 259.50 630.00 757.00 938.02 b 571.50 m 550.00 c 381.41 c 64.80 e 0.00 k 3699.60
1903 6.50 k 0.00 u 90.62 e 281.38 a 494.89 c 0.00 z 538.00 n 950.15 a 618.75 b 232.50 l 75.00 d 0.00 d 2510.79
1904 0.00 o 49.08 c 71.96 c 166.00 k 535.50 731.40 e 953.52 b 988.26 b 0.00 z 0.00 z 0.00 z 10.69 b 3340.41
1905 0.00 c 16.07 a 0.00 z 183.75 b 440.64 c 893.28 a 948.37 d 1057.74 b 801.67 c 254.00 f 137.59 a 4.13 a 4483.24
1906 9.50 0.00 z 0.00 z 0.00 z 514.60 a 781.50 957.42 e 969.78 a 733.50 310.00 a 70.86 a 0.00 z 4347.17
1907 9.50 20.50 279.00 e 188.00 393.00 755.36 b 998.95 b 1008.57 b 246.00 s 426.50 63.00 g 0.50 k 4079.37
1908 0.00 0.00 m 54.50 k 312.00 466.11 c 726.50 959.00 923.59 b 768.89 c 368.12 c 124.14 a 0.00 z 4648.34
1909 13.00 6.00 29.40 b 0.00 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 48.40
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 21.50 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 0.00
1913 0.00 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
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 200.50 313.00 531.50 756.00 1198.84 b 1012.15 a 637.00 301.50 142.50 19.50 5112.49
1917 0.00 21.26 a 59.00 241.55 a 0.00 z 774.50 1076.00 925.41 d 706.50 227.00 f 164.00 h 0.00 z 3804.22
1918 63.50 x 0.00 z 0.00 z 71.00 l 589.00 a 970.34 a 1030.48 b 393.50 s 577.00 440.50 82.78 c 19.93 c 3710.03
1919 1.55 a 0.00 b 62.00 245.19 d 527.50 606.00 f 897.50 g 1014.50 744.00 e 188.50 22.76 a 3.50 2809.50
1920 17.50 5.00 55.50 76.00 481.50 670.00 910.50 788.95 a 0.00 z 0.00 z 0.00 z 0.00 z 3004.95
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 40.50 59.50 327.50 624.00 808.00 1019.50 873.00 724.50 497.00 125.00 8.35 e 5106.85
1928 42.22 b 18.50 156.50 248.00 f 647.00 686.50 764.00 i 1029.00 272.50 m 377.00 80.50 15.50 3052.72
1929 0.00 0.00 84.98 b 264.50 486.46 e 783.00 1104.00 1071.00 476.11 c 349.78 a 1.50 17.50 4638.84
1930 0.00 82.50 63.00 334.50 h 483.50 806.50 1083.40 b 1019.00 692.50 310.50 76.55 a 0.00 g 4617.45
1931 0.00 z 8.00 68.50 274.50 483.60 a 969.00 1110.00 984.50 869.50 413.50 83.00 2.50 5266.60
1932 0.00 36.50 31.00 307.00 630.50 783.00 e 1112.50 1032.50 671.50 103.00 q 20.00 0.00 a 4624.50
1933 2.50 0.00 109.57 b 180.00 a 481.00 917.50 1033.91 d 915.02 a 795.00 406.50 127.50 37.00 5005.49
1934 125.00 0.00 z 0.00 z 0.00 z 792.16 c 965.00 1219.00 1092.00 575.00 467.50 131.50 8.50 5375.66
1935 22.73 a 36.17 d 129.00 176.00 345.13 a 768.50 1181.50 1024.00 660.00 336.87 a 21.35 d 4.00 f 4701.25
1936 6.00 24.50 80.50 310.00 653.50 959.50 1208.50 1121.50 760.00 307.00 7.00 z 6.50 5437.50
1937 0.00 11.93 a 45.50 255.00 a 635.00 820.00 1163.00 1174.50 787.50 373.50 67.00 17.00 5349.93
1938 7.23 a 34.00 139.00 328.33 c 515.00 865.50 1105.00 1123.75 a 775.00 530.62 a 36.00 10.50 5469.93
1939 11.00 0.00 126.00 305.69 a 675.59 b 816.92 d 1185.00 1032.00 827.50 423.00 87.93 a 116.00 5606.63
1940 0.00 a 36.00 116.25 a 245.00 602.95 a 949.50 1189.50 1005.50 832.50 538.50 70.00 24.00 5609.70
1941 5.50 21.00 81.00 256.50 715.50 810.00 1071.50 1030.50 698.50 347.00 133.39 b 33.58 a 5203.98
1942 0.00 z 0.00 a 26.98 d 387.60 e 457.54 d 579.00 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.62 a 875.74
1943 14.50 19.00 124.00 381.50 417.00 801.00 1155.50 1155.50 683.00 354.43 a 80.00 4.50 5189.93
1944 8.50 1.00 21.00 144.00 621.50 851.50 1017.00 1067.50 718.50 417.00 107.00 0.00 4974.50
1945 11.00 23.00 183.50 226.00 0.00 z 660.00 1085.00 1066.00 659.50 429.50 93.00 7.50 4444.00
1946 0.50 22.50 188.50 452.68 b 418.00 862.50 1152.50 1002.00 718.00 271.00 24.00 47.50 5159.68
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 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1075.00 854.50 346.50 63.00 3.00 2342.00
1949 0.00 19.00 69.50 322.00 650.50 839.50 1059.00 970.50 621.50 305.00 194.00 3.00 5053.50
1950 21.00 57.50 71.00 215.00 459.50 895.50 959.00 920.00 636.50 525.50 77.00 23.50 4861.00
1951 20.00 41.50 49.50 201.00 579.00 632.00 1018.50 976.00 624.00 312.50 56.00 11.50 4521.50
1952 8.50 23.50 41.00 273.00 529.50 1016.00 1079.50 1051.00 768.50 293.50 60.00 0.00 5144.00
1953 43.50 13.50 110.00 156.00 458.00 934.50 1079.50 1005.50 799.14 a 451.00 105.00 5.50 5161.14
1954 30.50 142.00 73.37 a 401.00 524.50 950.69 a 1211.00 1058.00 819.00 321.50 130.00 33.00 5694.56
1955 0.00 1.00 70.50 346.50 606.50 706.50 1181.00 1155.50 773.00 472.75 a 58.50 16.00 5387.75
1956 12.50 4.50 137.00 161.50 701.50 1028.28 a 1057.50 1025.00 789.50 484.50 47.00 37.50 5486.28
1957 0.00 53.00 31.50 212.50 477.50 808.00 1141.50 1034.00 644.50 348.50 60.00 36.00 4847.00
1958 8.50 66.50 5.00 202.00 719.50 858.50 963.50 1087.00 748.00 413.50 93.00 13.00 5178.00
1959 12.50 0.00 52.50 291.00 552.50 974.50 1053.00 1127.50 676.50 292.00 53.00 30.00 5115.00
1960 1.50 1.50 122.50 352.50 554.50 819.50 1048.00 1043.00 710.50 404.50 98.00 9.50 5165.50
1961 13.00 58.50 92.00 198.50 503.50 898.00 1070.00 1087.00 561.50 363.50 53.00 13.00 4911.50
1962 28.00 105.50 64.50 371.00 713.00 796.00 999.00 1019.00 671.50 481.50 134.00 48.00 5431.00
1963 9.00 57.00 164.00 356.00 679.50 1018.50 1187.50 1056.50 828.50 649.50 89.50 28.00 6123.50
1964 25.00 0.00 37.50 280.00 667.00 841.50 1199.50 993.50 730.50 418.00 115.50 45.50 5353.50
1965 17.50 45.00 16.50 388.00 644.00 810.00 1064.00 998.00 479.00 520.50 170.00 32.00 5184.50
1966 5.00 0.50 199.00 246.50 684.00 874.00 1163.00 913.50 692.50 412.00 111.00 28.00 5329.00
1967 41.50 39.00 228.00 356.50 480.50 767.00 1027.50 974.00 706.00 449.50 96.00 0.00 5165.50
1968 23.00 18.00 190.50 259.00 467.00 968.50 1075.50 992.00 722.50 477.00 50.50 11.50 5255.00
1969 7.00 2.50 65.00 408.50 694.00 739.50 1119.00 1095.00 817.00 183.00 105.00 11.50 5247.00
1970 34.50 35.00 27.50 197.50 681.00 848.00 1082.50 1152.50 695.00 284.00 78.50 19.00 5135.00
1971 20.00 19.00 107.50 282.50 500.50 929.00 994.00 1033.50 611.50 391.50 88.50 15.00 4992.50
1972 7.50 83.00 228.50 298.00 582.00 910.00 975.50 987.50 718.50 364.50 2.50 7.00 5164.50
1973 27.50 19.50 81.00 246.00 536.30 a 897.00 1037.00 1059.00 622.50 415.00 88.50 16.00 5045.30
1974 16.50 29.00 214.50 325.00 674.50 887.50 1147.50 885.00 615.50 422.50 46.03 a 0.00 5263.53
1975 14.00 2.50 74.00 269.50 564.50 783.00 1054.50 993.00 600.00 427.50 122.00 25.50 4930.00
1976 15.00 66.00 105.00 299.50 549.50 859.50 1077.50 971.00 640.00 206.50 77.50 9.50 4876.50
1977 0.00 18.50 64.50 351.00 664.50 934.50 1109.50 942.00 735.00 379.50 54.50 30.00 5283.50
1978 0.00 2.00 176.50 303.00 534.50 907.50 1134.50 973.50 769.66 a 327.00 81.50 0.00 5209.66
1979 0.00 9.00 82.50 318.00 512.50 850.50 1054.50 956.50 766.50 428.00 19.50 25.83 a 5023.33
1980 13.50 31.50 44.50 258.50 557.00 925.50 1131.50 977.00 710.00 316.00 110.69 a 94.60 b 5170.29
1981 10.50 67.00 109.00 488.50 489.00 908.50 1061.00 927.50 705.00 304.50 114.50 31.50 5216.50
1982 13.00 89.00 113.00 258.50 561.50 710.50 1016.50 1003.00 629.00 255.00 21.00 11.00 4681.00
1983 9.50 35.00 101.00 196.50 459.50 769.50 1116.00 1152.00 777.00 352.00 119.00 0.00 5087.00
1984 5.50 3.50 56.00 142.50 636.50 847.76 a 1074.00 1096.50 626.00 267.00 63.50 22.50 4841.26
1985 0.00 a 12.50 149.50 395.50 681.50 839.00 1098.50 995.50 0.00 z 0.00 z 0.00 z 0.00 z 4172.00
1986 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 643.50 353.00 86.00 0.00 1082.50
1987 26.50 54.00 94.55 a 355.00 656.00 883.50 1047.00 925.50 661.50 325.50 122.00 49.00 5200.05
1988 0.50 27.00 124.50 251.50 623.00 981.00 1020.00 1039.00 653.50 350.00 120.50 32.00 5222.50
1989 9.00 24.50 0.00 z 341.50 605.00 736.50 1058.00 955.50 631.50 403.00 131.50 29.50 4925.50
1990 22.50 10.00 98.00 299.00 472.00 945.00 982.50 993.50 794.50 370.50 178.00 29.50 5195.00
1991 6.50 54.00 113.50 260.50 634.50 912.00 1012.00 975.00 703.00 410.50 52.50 18.00 5152.00
1992 6.00 59.50 157.50 332.00 614.00 747.00 905.50 840.50 708.50 358.50 34.50 0.00 4763.50
1993 4.50 4.50 123.00 211.00 571.00 761.50 928.00 915.00 555.50 335.50 31.50 20.50 4461.50
1994 7.00 12.00 181.00 317.50 707.50 971.00 967.50 1026.50 736.00 345.00 55.50 41.00 5367.50
1995 13.50 105.50 182.50 182.00 339.00 777.00 1025.00 1100.00 685.50 317.50 153.50 50.00 4931.00
1996 24.00 95.50 51.50 302.00 510.50 879.50 993.00 938.00 618.00 382.00 57.50 42.00 4893.50
1997 53.00 31.00 162.50 234.50 520.00 872.00 1061.00 993.50 774.50 415.50 62.50 2.50 5182.50
1998 13.50 22.00 123.00 222.50 666.50 746.00 1085.00 1014.50 877.50 348.00 128.50 50.50 5297.50
1999 22.00 74.15 a 140.00 237.50 558.00 823.00 1125.00 1000.78 a 614.00 381.00 253.00 42.00 5270.43
2000 13.50 76.50 125.50 336.50 684.50 858.50 666.00 n 1200.00 767.00 347.00 0.00 z 0.00 4409.00
2001 2.00 10.00 81.50 337.50 616.00 901.50 1184.00 1083.00 758.00 361.50 178.50 1.00 5514.50
2002 29.00 18.50 31.50 326.00 534.00 1015.00 1163.00 996.50 718.50 233.00 47.00 15.50 5127.50
2003 29.00 18.00 156.00 353.50 569.50 787.50 1186.00 1087.50 651.50 468.50 54.50 18.00 5379.50
2004 2.00 28.00 171.50 302.50 647.50 756.00 965.50 885.00 752.50 375.00 85.50 8.50 4979.50
2005 33.50 24.50 73.00 230.50 560.00 863.50 1119.00 982.00 784.00 314.00 155.00 32.00 5171.00
2006 35.00 20.00 79.00 347.50 654.00 935.50 1138.50 998.50 515.00 293.00 118.50 21.50 5156.00
2007 0.00 z 0.00 229.50 225.50 623.00 829.00 1067.00 1087.50 741.00 392.00 145.50 11.00 5351.00
2008 0.00 5.50 56.00 178.00 501.00 768.50 1093.50 942.50 618.50 324.00 106.00 10.00 4603.50
2009 40.50 33.50 114.50 212.00 537.00 775.00 959.50 903.00 620.50 136.00 105.50 2.00 4439.00
2010 2.50 0.00 73.00 254.00 437.50 863.00 1044.00 1040.00 710.00 391.00 79.00 15.50 4909.50
2011 8.50 19.00 101.00 197.00 404.50 817.00 1134.50 1080.50 619.00 350.50 63.50 6.50 4801.50
2012 11.50 8.00 259.50 375.50 645.00 1045.50 1172.00 1020.50 730.50 291.00 106.00 24.50 5689.50
2013 3.50 3.50 71.50 8.00 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 78.50
Period of Record Statistics
MEAN 13.99 28.37 104.20 278.44 570.06 849.06 1072.21 1015.48 700.25 371.46 88.74 19.51 5136.99
S.D. 16.83 28.71 58.54 73.51 95.30 89.77 79.26 75.29 84.58 82.24 44.55 19.20 295.82
SKEW 3.43 1.46 0.78 0.09 0.00 0.00 -0.01 -0.10 -0.29 0.13 0.64 2.16 0.15
MAX 125.00 142.00 279.00 488.50 826.00 1045.50 1219.73 1200.00 877.50 649.50 253.00 116.00 6123.50
MIN 0.00 0.00 5.00 76.00 339.00 632.00 905.50 788.95 476.11 136.00 1.50 0.00 4439.00
NO YRS 93 95 95 93 98 96 94 96 93 91 91 92 69