HOLLY, COLORADO

Monthly Total Growing Degree Days

(054076)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200903
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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 0.00 z 0.00 z 0.00
1900 8.50 3.50 n 0.00 z 355.00 737.50 1026.00 1168.50 1210.50 836.50 581.50 138.50 28.00 6090.50
1901 26.50 21.50 118.00 390.50 687.00 1051.00 1263.77 a 1159.92 a 892.50 d 555.50 150.00 a 27.90 a 6344.08
1902 17.50 58.00 152.50 440.50 821.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1489.50
1903 0.00 z 0.00 z 0.00 z 356.50 612.50 782.50 1212.10 a 1135.00 757.00 488.50 161.00 18.00 5523.10
1904 8.00 101.00 219.58 a 352.50 663.00 894.00 1080.50 1053.00 838.50 522.87 a 143.00 10.50 5886.45
1905 0.00 33.00 261.00 289.00 642.00 1011.00 1072.50 1189.50 906.50 458.50 224.00 0.00 6087.00
1906 61.00 113.62 b 80.50 560.50 748.00 810.00 a 985.50 1030.00 858.00 491.50 132.50 87.50 5958.62
1907 41.00 135.50 401.00 432.50 586.50 890.50 1221.00 0.00 z 848.00 558.50 110.50 20.50 5245.50
1908 9.50 m 57.50 271.50 424.00 712.00 1009.00 1075.18 a 1125.50 885.50 434.00 133.00 6.50 6133.68
1909 60.50 52.50 148.00 367.50 647.50 1013.79 a 1175.50 1187.00 858.50 474.50 196.00 3.00 6184.29
1910 45.00 57.00 425.50 464.50 626.95 b 979.50 1220.88 a 1082.00 915.00 553.00 165.50 5.00 6539.83
1911 81.50 50.50 278.00 428.00 792.50 1077.50 1138.00 1101.00 971.50 427.00 86.38 a 0.00 6431.88
1912 0.00 26.50 69.50 367.00 741.50 870.00 1129.50 1045.50 773.50 590.50 96.00 9.76 d 5719.26
1913 88.87 a 22.00 200.50 443.50 847.50 975.50 1182.65 a 1198.00 778.50 452.60 a 168.00 1.00 6358.62
1914 22.00 26.92 b 82.50 j 306.50 f 678.00 1024.50 1099.47 a 1048.00 0.00 z 480.50 162.00 0.00 4541.39
1915 2.00 55.00 34.10 a 476.25 b 498.00 851.00 1007.00 959.93 b 873.10 a 486.70 a 202.76 a 23.25 a 5469.09
1916 16.53 a 75.00 294.50 331.00 645.00 962.68 b 1219.50 1099.00 783.62 a 446.83 b 109.29 b 33.50 6016.45
1917 11.88 a 39.00 95.38 e 316.61 b 490.32 a 935.00 1161.00 1050.26 b 885.54 b 393.00 224.50 41.69 b 5644.18
1918 11.88 a 82.50 323.50 267.00 763.63 a 1116.00 1183.00 1132.50 0.00 z 0.00 z 0.00 z 0.00 z 4880.02
1919 0.00 z 0.00 0.00 z 303.50 684.00 840.50 1117.50 1097.00 0.00 z 0.00 z 0.00 z 0.00 z 4042.50
1920 0.00 z 0.00 z 175.00 234.00 667.50 941.00 1112.50 968.23 a 783.00 356.50 l 17.00 h 2.50 4883.73
1921 0.00 55.00 0.00 z 0.00 z 0.00 z 980.77 d 1231.50 1169.50 902.00 468.50 72.50 0.00 z 4879.77
1922 2.50 39.50 216.00 371.50 855.50 1165.56 c 575.00 r 1349.50 1101.00 559.00 69.50 0.00 a 5729.56
1923 11.50 12.50 92.50 543.00 668.50 1015.50 681.00 o 0.00 z 778.89 c 335.50 138.50 15.50 3611.89
1924 10.00 61.50 17.00 369.00 524.00 977.00 1112.00 1174.50 769.50 581.00 193.00 15.00 5803.50
1925 9.00 87.50 307.00 502.50 777.00 1127.00 1201.50 1099.00 865.00 259.50 58.50 21.00 6314.50
1926 11.50 72.00 89.50 308.50 713.00 977.50 1140.50 1167.50 881.50 539.00 111.50 19.50 6031.50
1927 33.50 57.50 175.50 468.50 836.00 946.50 1123.00 1003.00 849.00 573.00 180.50 7.50 6253.50
1928 43.50 30.00 227.00 355.50 718.50 795.50 1111.50 1072.50 799.00 503.50 125.50 16.50 5798.50
1929 5.00 5.50 199.00 461.50 647.50 970.00 1188.00 1117.00 762.50 484.00 17.00 38.00 5895.00
1930 0.00 128.50 121.42 a 552.50 651.00 995.77 d 1200.00 1138.00 798.50 460.50 146.00 1.50 6193.69
1931 16.50 59.00 113.00 378.00 587.50 1078.00 1193.00 1113.50 1030.50 586.50 141.50 17.00 6314.00
1932 0.00 125.00 140.50 475.00 769.50 906.00 1248.50 1166.50 766.50 384.50 127.00 13.00 6122.00
1933 10.50 30.00 268.00 360.50 667.00 1110.50 1201.50 1094.50 981.00 514.50 137.50 70.00 6445.50
1934 11.00 81.50 217.00 450.00 893.00 1107.93 a 1348.50 1248.27 a 799.00 686.00 238.50 25.00 7105.70
1935 81.50 90.50 365.80 a 367.50 571.00 1031.50 1283.50 1208.00 815.00 513.50 90.00 35.50 6453.30
1936 10.00 58.00 225.00 474.00 635.50 f 1065.00 1266.50 1233.50 849.50 499.00 126.00 19.00 5825.50
1937 0.00 55.00 134.00 419.50 810.00 984.50 1254.50 1291.00 929.00 533.50 125.00 9.50 6545.50
1938 34.50 69.00 293.50 449.50 694.50 996.50 1183.00 1255.00 929.00 657.00 133.00 8.00 f 6694.50
1939 14.50 2.50 202.50 414.00 764.00 1023.50 1255.50 b 1159.50 1013.00 549.00 76.00 71.00 6545.00
1940 0.00 50.00 198.00 387.00 656.50 907.50 1253.50 1014.00 896.00 594.50 103.00 43.00 6103.00
1941 4.00 16.15 b 99.41 b 348.50 783.00 887.00 1120.50 1098.00 843.50 521.50 163.50 54.00 5939.07
1942 22.00 16.00 116.00 455.50 695.50 940.34 a 1151.00 1094.50 778.00 458.50 205.50 10.00 5942.84
1943 44.00 93.50 203.50 528.00 588.50 1002.00 1192.50 1237.00 820.50 429.00 90.00 1.00 6229.50
1944 27.00 50.00 81.50 211.50 734.50 943.89 c 1087.50 1086.50 830.50 511.50 160.00 4.00 5728.39
1945 2.00 34.00 196.50 340.50 350.30 a 768.00 0.00 z 1148.50 757.00 0.00 z 0.00 z 0.00 z 3596.80
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 z 0.00 z 0.00 z 0.00 z 0.00 z 780.00 f 1153.50 1118.50 897.00 416.50 36.67 c 36.50 3658.67
1949 10.50 23.13 e 124.00 420.00 765.50 974.40 e 1182.81 b 0.00 z 0.00 z 314.00 g 256.50 43.40 a 3800.24
1950 18.50 70.50 147.00 370.50 773.00 1127.50 1098.00 1041.50 835.00 711.00 155.50 55.50 6403.50
1951 29.50 84.00 134.00 353.00 708.00 856.00 1178.00 1166.00 786.00 93.50 z 20.50 n 44.00 5338.50
1952 62.50 57.50 114.50 396.50 767.50 1214.50 1211.00 1210.00 894.50 505.00 174.50 25.50 6633.50
1953 116.50 83.50 342.00 394.50 705.50 1184.50 1256.00 1133.50 932.50 565.00 175.00 9.50 6898.00
1954 8.00 180.50 158.00 603.50 685.00 1207.50 1398.50 1222.50 1065.50 495.50 204.50 48.50 7277.50
1955 15.00 19.50 178.50 476.50 781.00 968.00 1305.00 1207.00 965.00 597.50 146.00 38.50 6697.50
1956 43.50 46.00 221.00 426.50 971.50 1236.00 1222.00 1172.00 981.00 639.50 62.07 a 30.00 7051.07
1957 12.50 110.50 168.50 346.00 641.24 d 1006.03 a 1338.50 1239.50 768.00 475.00 82.00 52.50 6240.28
1958 8.00 65.50 4.50 274.00 824.00 1004.44 c 1095.00 1186.30 c 656.00 g 459.00 147.50 11.50 5079.75
1959 5.50 12.50 102.50 353.50 717.50 1065.00 1135.00 1188.00 744.50 344.00 83.50 12.50 5764.00
1960 11.50 2.00 113.50 448.45 a 655.00 955.00 882.50 f 1104.00 830.00 456.50 119.00 17.00 4711.95
1961 4.00 55.00 134.33 a 303.00 657.00 986.50 1174.26 b 1090.68 a 632.00 362.70 a 55.71 b 7.50 5462.69
1962 1.50 126.50 98.96 e 421.50 817.00 898.00 1147.00 1166.50 741.50 506.50 108.00 50.50 6083.46
1963 3.50 82.00 195.50 479.00 773.45 a 1060.50 1281.00 1173.00 934.50 675.00 106.00 5.50 6768.95
1964 16.00 0.50 48.71 c 356.00 778.00 942.00 1285.00 1109.00 788.28 a 457.50 136.50 26.72 b 5944.21
1965 38.00 39.93 a 22.50 439.50 734.50 868.50 1237.50 1054.50 647.00 469.50 166.00 37.50 5754.93
1966 11.00 0.00 202.00 304.00 705.00 1033.00 1248.50 983.00 757.00 339.50 62.00 3.00 5648.00
1967 16.50 15.50 206.00 f 459.00 536.50 906.50 1114.00 1018.00 720.00 466.00 78.00 9.50 5339.50
1968 37.00 29.00 168.50 321.00 544.00 993.00 1128.50 1058.50 787.50 480.50 79.50 11.00 5638.00
1969 14.50 30.00 38.00 450.50 724.50 819.50 1213.00 1117.00 853.00 284.00 109.00 13.00 5666.00
1970 23.00 44.50 54.50 336.00 792.50 954.50 1178.00 1191.50 684.50 276.50 91.03 a 30.00 5656.53
1971 50.50 37.00 143.00 394.50 625.00 1071.50 1122.50 1068.50 683.00 463.50 110.00 17.50 5786.50
1972 22.00 56.50 297.00 459.00 679.00 1020.00 1125.50 1081.50 784.50 485.00 38.00 4.50 6052.50
1973 8.00 17.50 110.50 218.79 a 658.00 972.50 1121.00 1170.00 673.50 478.50 109.00 26.50 5563.79
1974 7.00 20.00 214.00 402.50 767.00 1008.00 1253.00 1013.00 654.00 516.00 91.50 3.50 5949.50
1975 20.00 13.00 124.50 343.50 661.50 905.00 1159.50 1152.50 768.50 471.00 144.50 27.50 5791.00
1976 19.00 87.00 119.00 432.00 613.00 948.50 1157.00 1074.00 718.00 280.50 96.00 8.00 5552.00
1977 0.00 a 36.00 173.50 468.62 a 847.00 1086.50 1259.00 1117.50 919.50 478.00 121.00 52.50 6559.12
1978 5.50 0.00 204.00 460.00 640.50 998.00 1215.00 1022.48 a 798.00 439.50 104.00 8.00 5894.98
1979 0.00 48.00 157.50 451.15 d 617.86 b 932.59 a 1185.00 1040.50 899.00 514.27 c 33.00 32.03 a 5910.90
1980 1.00 69.50 90.93 a 339.00 593.13 a 1093.50 1342.50 1121.50 779.50 445.00 126.50 f 81.50 5957.07
1981 45.00 94.50 121.42 a 557.50 614.00 1101.00 1208.50 1010.00 784.50 492.00 124.50 35.00 6187.92
1982 15.00 80.00 137.00 433.00 704.00 856.50 1185.50 1148.00 779.00 483.50 94.00 20.50 5936.00
1983 0.00 23.50 119.00 264.50 604.50 964.50 1271.00 1359.00 934.50 537.50 205.50 6.50 6290.00
1984 9.00 39.50 92.50 223.00 679.50 1004.00 1157.50 1148.50 842.00 315.50 163.50 51.50 5726.00
1985 3.50 37.50 214.93 a 521.50 733.50 972.93 a 1151.00 1123.50 758.50 0.00 z 56.00 0.00 z 5572.86
1986 48.00 114.59 a 278.00 460.34 a 666.50 944.00 1142.50 1029.00 748.00 296.00 47.00 0.00 5773.94
1987 19.00 25.50 0.00 z 352.50 665.50 884.50 1145.00 1031.00 741.50 360.00 117.00 6.00 5347.50
1988 0.00 29.50 148.50 310.00 666.50 999.00 1126.50 1106.00 759.00 497.00 177.00 34.50 5853.50
1989 41.50 29.56 a 289.50 488.00 776.00 874.50 1189.00 1102.00 775.50 488.00 157.00 23.00 6233.56
1990 20.50 28.50 197.50 526.00 609.50 1104.00 1145.50 1122.50 894.00 497.00 209.00 18.50 6372.50
1991 0.00 67.00 185.50 405.00 805.00 1054.00 1186.50 1099.00 757.00 458.00 50.00 5.00 6072.00
1992 13.50 77.50 256.00 512.50 725.00 894.00 1090.50 982.00 846.00 494.50 34.00 0.00 5925.50
1993 0.00 0.00 187.00 362.50 683.50 968.00 1179.00 1080.50 710.50 406.00 43.00 33.50 5653.50
1994 8.50 23.00 212.50 366.00 772.00 1122.00 1115.50 1135.00 830.00 487.50 137.50 28.00 6237.50
1995 6.00 106.00 235.50 264.00 515.50 898.50 1109.00 1246.00 802.00 422.50 173.50 57.50 5836.00
1996 16.50 105.00 117.50 392.00 767.50 1016.50 1108.50 1058.50 760.00 461.50 69.50 29.50 5902.50
1997 34.00 38.00 197.00 255.50 638.00 965.00 1188.50 1048.50 830.50 411.00 43.50 0.00 5649.50
1998 3.50 53.00 121.50 279.50 776.50 913.50 1220.50 1084.00 940.50 435.50 123.00 47.00 5998.00
1999 13.00 71.50 135.00 308.50 618.50 936.00 1194.50 1102.50 707.50 389.00 229.50 22.00 5727.50
2000 17.00 76.12 a 140.02 a 371.50 747.00 939.50 1182.13 a 1211.00 837.50 472.50 44.00 0.50 6038.77
2001 3.00 19.50 94.50 444.00 656.00 933.00 1295.00 1187.82 a 808.50 411.50 210.00 28.50 6091.32
2002 16.50 49.00 117.50 476.00 726.00 1145.00 1233.50 1148.00 825.00 333.00 91.00 14.50 6175.00
2003 21.50 46.50 197.00 435.50 718.00 880.00 1277.50 1168.50 717.00 525.50 97.00 26.50 6110.50
2004 13.50 44.00 256.00 387.50 790.00 903.00 1024.00 947.00 832.50 466.00 95.50 28.00 5787.00
2005 45.50 46.00 112.50 335.00 680.50 930.00 1172.00 1087.00 930.00 494.50 171.00 38.50 6042.50
2006 43.50 19.50 172.50 471.50 762.00 1068.00 1212.50 1082.00 648.00 404.00 126.50 14.50 6024.50
2007 0.00 0.00 270.00 267.00 692.50 908.00 1150.50 1228.50 897.00 508.00 153.00 22.50 6097.00
2008 7.50 11.00 148.50 282.50 658.50 981.00 778.00 j 1068.00 750.00 433.00 157.00 21.50 4518.50
2009 44.50 66.00 210.50 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 321.00
Period of Record Statistics
MEAN 19.95 51.64 172.17 394.67 696.72 983.06 1181.73 1122.00 825.32 476.07 125.12 23.19 6082.86
S.D. 21.67 35.27 82.43 83.21 93.06 94.82 72.63 79.42 91.25 87.03 52.83 19.18 375.66
SKEW 1.84 0.82 0.58 -0.02 -0.36 0.30 0.20 0.31 0.42 -0.09 0.18 1.02 0.90
MAX 116.50 180.50 425.50 603.50 971.50 1236.00 1398.50 1359.00 1101.00 711.00 256.50 87.50 7277.50
MIN 0.00 0.00 4.50 211.50 350.30 768.00 985.50 947.00 632.00 259.50 17.00 0.00 5462.69
NO YRS 103 104 100 104 104 105 101 103 101 99 100 100 82