BONNY DAM 2NE, COLORADO

Monthly Total Growing Degree Days

(050834)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 857.00 1126.50 994.00 717.00 367.50 238.00 25.66 b 4325.66
1950 31.55 c 70.50 106.00 261.21 a 482.05 a 906.21 a 974.50 930.50 668.79 a 643.25 e 108.10 a 26.87 a 5209.53
1951 11.37 a 49.26 a 55.28 a 198.00 602.50 693.50 1023.50 1040.00 648.50 355.50 55.00 24.00 4756.41
1952 12.00 21.00 47.50 288.50 581.50 1066.50 1125.50 1117.50 826.00 394.50 104.50 0.00 5585.00
1953 62.50 35.50 170.50 210.00 506.50 1008.00 1155.50 1050.50 864.00 517.50 128.50 3.00 5712.00
1954 22.50 80.00 i 72.00 435.00 513.50 990.50 1288.50 1145.50 918.50 376.50 170.50 19.50 5952.50
1955 4.00 15.00 97.00 363.50 663.00 770.00 1254.50 1200.50 811.00 503.00 75.00 45.50 5802.00
1956 27.50 7.50 154.50 230.00 690.50 1108.00 1097.00 1024.00 819.50 543.50 59.50 36.00 5797.50
1957 0.00 50.50 44.50 214.00 487.50 808.00 1126.91 d 1077.00 679.00 392.50 76.00 28.00 4983.91
1958 7.00 55.50 6.00 212.50 710.50 865.50 993.50 1073.50 816.50 422.50 117.00 26.00 5306.00
1959 18.50 1.00 72.00 272.50 583.50 1007.50 1034.00 1160.00 689.50 278.50 63.00 22.00 5202.00
1960 1.00 0.00 89.50 355.00 547.50 837.50 1047.00 1085.50 781.00 444.00 108.00 19.50 5315.50
1961 2.50 50.50 62.00 208.00 488.00 858.00 1076.00 1068.98 a 578.00 365.50 52.00 15.50 4824.98
1962 11.50 109.00 64.00 352.50 723.50 805.00 1059.00 1058.00 697.50 456.00 126.50 46.50 5509.00
1963 2.50 66.50 148.50 379.50 694.50 987.00 1236.00 1104.50 847.50 630.50 113.00 15.00 6225.00
1964 29.00 0.00 32.50 239.50 619.50 805.50 1211.00 990.00 730.50 397.00 109.50 35.50 5199.50
1965 18.00 31.50 7.50 390.00 649.00 816.00 1092.50 967.50 453.50 469.00 152.50 43.50 5090.50
1966 4.50 0.00 160.50 240.50 653.00 859.50 1204.00 941.00 737.50 364.50 95.77 d 14.50 5275.27
1967 39.00 14.00 179.50 306.00 437.50 735.50 1004.00 970.00 659.00 423.50 94.00 2.00 4864.00
1968 21.50 14.00 142.50 200.00 429.50 909.50 1056.50 914.50 706.50 424.00 60.52 a 14.50 4893.52
1969 6.00 6.50 42.00 361.50 646.50 718.00 1158.00 1109.00 817.00 213.00 98.00 30.50 5206.00
1970 38.00 37.00 42.00 216.00 664.50 826.50 1131.50 1125.50 665.00 273.50 69.00 25.50 5114.00
1971 35.50 26.50 112.00 275.00 468.00 936.50 990.50 1071.50 620.00 402.00 70.00 23.00 5030.50
1972 13.50 63.00 222.50 305.00 581.50 900.50 991.00 997.50 710.00 363.65 e 16.50 g 12.50 5160.65
1973 28.50 11.00 77.50 189.50 525.00 843.00 1019.50 1102.00 624.00 424.50 90.00 30.50 4965.00
1974 2.00 30.50 148.50 294.50 679.00 856.00 1155.50 895.50 578.50 406.50 59.00 0.50 5106.00
1975 9.50 5.00 75.00 315.50 f 531.00 789.50 1095.00 1043.50 631.00 402.50 101.00 i 21.00 4603.00
1976 15.00 88.00 91.50 312.00 482.64 b 847.00 1086.60 b 1030.00 688.00 261.50 80.00 14.50 4996.74
1977 0.00 41.50 89.26 b 356.50 666.00 957.50 1144.42 a 971.00 813.50 415.00 108.00 41.00 5603.68
1978 0.50 0.00 24.50 p 100.00 r 433.00 h 895.50 1171.00 984.50 340.50 t 388.05 c 59.00 o 0.00 q 3439.55
1979 0.00 z 0.00 z 0.00 z 232.50 l 276.50 l 586.00 j 814.00 h 936.31 d 778.80 e 469.00 25.18 b 34.00 o 2209.29
1980 9.62 b 34.00 50.50 222.50 519.50 914.50 1183.17 a 1045.50 759.00 373.11 c 148.50 f 123.47 b 5234.86
1981 21.50 j 78.00 82.00 451.50 471.50 907.00 1079.00 967.50 797.50 380.50 141.00 45.00 5400.50
1982 18.00 97.00 0.00 z 228.50 547.00 697.00 1031.50 1057.50 704.50 312.00 31.55 a 14.00 4738.55
1983 0.00 34.00 100.00 184.50 424.00 719.50 1120.50 1197.00 830.00 394.00 130.50 0.00 5134.00
1984 2.00 5.18 a 42.50 142.50 591.00 548.00 j 1084.50 1085.50 645.00 247.00 l 71.50 4.50 3674.18
1985 0.00 17.00 122.50 331.00 616.00 770.50 1064.00 271.00 w 161.00 w 262.98 a 37.50 k 0.50 n 3183.98
1986 35.00 j 56.50 j 118.00 k 276.50 j 442.00 i 545.50 l 370.00 u 567.50 n 411.50 m 272.50 j 37.50 n 0.00 t 0.00
1987 27.00 l 63.78 a 38.50 m 182.50 j 383.50 m 467.50 n 380.50 u 322.00 u 325.50 o 214.50 n 75.50 o 16.50 v 63.78
1988 0.00 n 19.00 i 0.00 z 261.43 b 359.50 l 382.00 r 489.00 q 569.00 o 425.50 k 222.50 n 38.00 u 3.50 y 261.43
1989 12.00 k 4.00 k 121.50 l 150.00 m 122.00 x 340.50 q 716.50 k 258.00 w 463.50 i 211.50 m 0.00 z 11.50 v 0.00
1990 44.50 24.50 134.50 358.00 478.50 960.50 1038.00 1003.00 826.00 382.00 168.50 23.00 5441.00
1991 9.00 69.00 141.50 284.50 645.50 950.00 1053.00 999.00 736.00 423.00 64.00 10.00 5384.50
1992 1.50 63.50 183.00 366.50 639.00 780.50 982.00 897.00 746.00 410.50 41.50 0.00 5111.00
1993 0.00 a 1.50 135.50 226.50 578.50 810.50 1027.00 959.00 585.00 383.00 22.50 k 29.50 4736.00
1994 16.50 15.00 182.00 294.50 710.00 1001.50 1022.50 1085.50 786.50 407.00 80.00 30.50 5631.50
1995 28.00 113.00 186.50 199.50 360.00 777.00 1037.50 1146.00 715.50 320.00 155.50 43.50 5082.00
1996 0.00 z 0.00 z 0.00 z 0.00 z 584.00 906.00 1044.50 982.00 643.00 393.50 67.50 52.50 4673.00
1997 55.50 34.00 179.00 227.50 551.00 908.50 1096.50 997.50 773.50 412.00 63.00 3.00 5301.00
1998 6.00 19.00 139.00 227.50 685.50 815.50 1121.50 1022.00 901.50 393.50 136.00 58.00 5525.00
1999 18.50 75.00 153.50 246.50 577.50 848.50 1176.00 1055.50 646.50 399.50 240.00 29.00 5466.00
2000 9.50 103.00 133.00 359.00 693.00 890.00 1160.50 1184.00 810.50 428.00 27.00 3.00 5800.50
2001 13.50 7.00 94.00 353.00 632.50 968.40 e 1204.50 1111.50 773.50 397.50 207.00 17.00 5779.40
2002 44.50 38.50 62.00 389.00 580.00 1090.50 1224.50 1083.50 760.50 286.50 112.00 32.50 5704.00
2003 48.00 26.50 185.00 407.50 603.00 817.50 1206.00 1154.50 701.50 534.50 85.50 17.00 5786.50
2004 16.00 42.00 212.00 341.50 696.00 601.50 i 651.00 k 894.50 767.00 360.00 86.50 15.00 3430.50
2005 46.00 47.00 130.50 305.00 604.00 895.50 1167.50 1043.00 0.00 z 390.50 194.00 39.50 4862.50
2006 52.50 23.50 136.00 400.00 686.00 998.50 1200.50 1054.00 591.00 339.50 128.50 26.50 5636.50
2007 0.00 0.00 252.00 254.00 667.00 885.50 1137.00 1152.50 830.00 443.50 168.00 18.50 5808.00
2008 0.00 23.00 111.00 218.50 566.50 874.00 1175.00 981.00 678.50 387.50 139.00 17.50 5171.50
2009 64.00 51.00 164.50 245.00 600.00 814.50 1002.00 978.50 654.00 178.00 135.50 6.00 4893.00
2010 9.50 0.00 82.50 346.50 489.50 937.50 1088.50 1088.50 808.50 462.50 111.50 28.00 5453.00
2011 18.82 c 41.50 123.00 331.55 a 476.50 961.00 1232.50 1155.50 567.50 f 439.00 82.50 3.00 g 4861.87
2012 21.50 0.00 z 320.50 490.00 711.00 1122.00 1271.50 1118.50 796.00 357.50 155.50 28.50 6392.50
2013 15.00 20.00 0.00 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 35.00
Period of Record Statistics
MEAN 18.30 36.26 117.27 292.14 584.05 882.21 1109.66 1045.39 729.31 397.27 106.09 24.59 5341.44
S.D. 17.45 30.26 62.26 77.78 88.73 100.06 81.39 78.99 91.89 82.81 49.34 19.59 340.10
SKEW 1.00 0.79 0.64 0.38 -0.34 0.34 0.24 -0.02 -0.37 0.29 0.76 2.32 0.34
MAX 64.00 113.00 320.50 490.00 723.50 1122.00 1288.50 1200.50 918.50 643.25 240.00 123.47 6225.00
MIN 0.00 0.00 6.00 142.50 360.00 693.50 974.50 894.50 453.50 178.00 25.18 0.00 4756.41
NO YRS 57 57 55 56 57 57 58 59 56 59 54 56 43