COLORADO CITY, ARIZONA

Monthly Total Growing Degree Days

(021920)

Base Temperature = 40 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201201
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
1963 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1182.50 1073.24 b 881.50 0.00 z 0.00 z 0.00 z 3137.24
1964 0.00 z 0.00 z 0.00 z 0.00 z 558.00 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 558.00
1965 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1072.50 1064.00 673.00 625.00 273.50 71.50 3779.50
1966 12.00 16.00 278.00 442.00 773.50 918.50 1117.50 1149.00 896.00 510.97 b 246.50 42.50 6402.47
1967 30.00 56.00 230.50 182.59 a 519.00 i 801.00 1153.50 1136.00 833.50 551.00 273.10 a 1.55 a 5248.74
1968 1.50 168.50 199.00 263.50 636.69 e 924.00 1087.14 b 969.00 805.50 535.00 151.50 21.00 5762.33
1969 52.50 14.50 129.50 365.00 720.00 808.00 1092.50 1148.50 841.50 368.00 167.50 98.50 5806.00
1970 45.50 143.00 88.00 213.00 671.00 919.50 1142.50 1124.50 734.00 400.50 175.00 41.00 5697.50
1971 81.00 72.00 211.00 359.00 497.00 865.50 1175.50 1075.50 775.00 404.00 147.50 26.50 5689.50
1972 9.00 109.00 360.00 365.50 652.50 911.50 1172.00 1041.50 758.50 444.50 58.50 9.00 5891.50
1973 0.00 26.00 37.00 268.50 669.50 901.50 1116.50 1074.00 779.00 514.50 183.50 44.00 5614.00
1974 1.00 33.50 251.50 321.50 718.50 1007.00 1097.00 1033.50 874.00 569.00 145.50 14.00 6066.00
1975 14.50 32.50 100.00 172.00 511.50 847.50 1120.50 1047.50 869.00 525.50 166.00 60.50 5467.00
1976 55.50 114.00 128.00 311.50 712.50 883.50 1110.00 1003.00 773.00 433.50 219.00 21.00 5764.50
1977 10.00 97.50 87.00 480.00 484.50 994.00 1138.00 1099.00 850.50 642.50 222.50 86.00 6191.50
1978 24.00 69.50 293.50 324.50 580.50 921.00 1145.50 1070.50 808.00 648.00 166.50 3.50 6055.00
1979 0.00 23.00 136.00 370.00 656.00 916.00 1139.50 1001.50 959.00 632.00 126.00 57.50 6016.50
1980 26.50 113.00 85.50 398.50 537.50 897.50 1125.00 1017.00 857.50 520.00 233.50 152.00 5963.50
1981 89.50 117.00 139.00 508.50 624.00 1024.50 1173.50 1091.50 866.50 430.50 313.00 79.00 6456.50
1982 10.50 125.50 145.50 339.50 630.00 871.00 1095.50 1092.50 823.50 436.00 104.50 37.00 5711.00
1983 43.50 74.00 159.50 234.50 601.00 901.00 1103.00 1070.00 908.00 539.50 220.50 32.50 5887.00
1984 23.50 29.00 131.50 301.00 810.00 901.00 1101.00 1045.50 867.00 314.00 154.00 15.50 5693.00
1985 8.50 54.50 148.50 486.50 711.50 996.50 1199.50 1096.50 693.00 507.00 112.00 30.00 6044.00
1986 121.00 158.50 328.00 392.00 688.00 1018.00 1052.00 1126.00 659.50 456.50 146.50 27.50 6173.50
1987 28.00 82.00 128.50 495.50 680.50 1002.50 1045.50 1063.00 851.00 615.50 149.00 31.50 6172.50
1988 23.00 99.00 185.50 386.50 629.00 989.00 1205.50 1083.00 790.50 694.00 190.00 60.00 6335.00
1989 4.00 101.50 338.00 574.50 676.00 947.50 1219.00 1020.50 856.00 491.50 206.50 15.00 6450.00
1990 39.00 74.50 285.00 457.50 634.50 1012.00 1186.50 1058.00 911.00 562.50 191.00 9.00 6420.50
1991 0.00 178.00 85.00 309.00 558.00 864.50 1161.00 1106.00 846.50 602.50 153.00 5.00 5868.50
1992 8.00 97.00 200.00 536.50 722.00 874.50 1042.00 1054.50 849.50 582.00 80.50 1.50 6048.00
1993 16.50 21.50 226.50 399.00 704.00 855.50 1050.00 1100.00 869.50 525.50 113.00 46.50 5927.50
1994 58.50 50.50 338.00 409.50 728.50 1063.00 1191.00 1216.00 966.00 509.50 126.00 68.00 6724.50
1995 34.50 276.50 245.00 323.50 558.50 805.00 1140.00 1163.50 911.50 576.00 319.00 94.00 6447.00
1996 38.00 183.00 234.50 445.50 738.50 1036.00 1252.50 1175.00 791.50 495.00 208.00 82.00 6679.50
1997 45.00 71.50 366.50 341.00 831.00 911.00 1120.00 1113.50 892.00 514.50 207.00 19.50 6432.50
1998 50.50 19.00 218.50 288.50 594.00 786.50 1169.50 1172.00 833.50 437.50 163.50 69.50 5802.50
1999 27.50 58.50 212.50 225.00 552.00 833.50 1029.50 1050.00 788.50 549.00 325.00 15.00 5666.00
2000 0.00 z 119.00 199.50 516.50 813.50 1016.00 1188.50 1171.50 913.50 537.50 51.96 b 48.50 6575.96
2001 12.92 a 50.00 229.00 374.00 789.47 a 945.50 1103.50 1139.00 950.50 605.02 a 292.00 12.00 6502.90
2002 39.00 67.00 166.00 530.00 666.50 1024.50 1243.50 1135.00 835.00 451.00 168.00 20.50 6346.00
2003 0.00 z 72.50 184.50 304.00 721.00 0.00 z 0.00 z 1155.00 0.00 z 761.00 0.00 z 86.50 3284.50
2004 44.00 28.00 410.50 402.50 711.50 1014.00 1187.00 0.00 z 0.00 z 473.00 99.00 36.00 4405.50
2005 66.00 36.00 133.50 301.50 661.00 861.50 1271.00 1079.50 858.00 577.00 243.00 53.00 6141.00
2006 31.50 98.00 137.00 398.00 800.50 1076.50 1245.00 1140.00 794.00 467.50 255.00 25.00 6468.00
2007 6.50 108.00 358.00 415.00 777.50 1008.50 1301.00 1195.00 0.00 z 343.00 l 216.00 8.50 5394.00
2008 10.00 33.50 158.00 313.00 0.00 z 0.00 z 876.50 g 701.50 l 444.00 n 486.00 173.50 14.00 1188.00
2009 52.00 84.00 171.50 295.00 776.50 822.00 1183.50 1050.00 906.00 344.00 218.00 0.00 5902.50
2010 2.00 11.50 115.00 282.50 463.50 919.00 1207.00 1095.00 883.00 542.00 158.00 42.50 i 5678.50
2011 7.50 18.15 a 140.50 213.50 f 370.00 i 896.40 e 1098.00 1189.88 a 892.24 a 429.00 f 96.43 b 25.32 a 4364.42
2012 32.03 a 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 32.03
2013 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
Period of Record Statistics
MEAN 29.68 80.10 198.54 364.95 664.34 927.10 1146.79 1095.09 840.35 520.14 182.79 39.51 6070.70
S.D. 26.25 54.86 88.77 97.13 94.35 77.11 63.40 56.47 69.72 90.48 66.33 32.35 325.58
SKEW 1.26 1.19 0.58 0.16 -0.26 0.08 0.26 0.09 -0.66 0.11 0.26 1.17 0.21
MAX 121.00 276.50 410.50 574.50 831.00 1076.50 1301.00 1216.00 966.00 761.00 325.00 152.00 6724.50
MIN 0.00 11.50 37.00 172.00 463.50 786.50 1029.50 969.00 659.50 314.00 51.96 0.00 5467.00
NO YRS 45 46 46 45 44 44 46 46 44 45 46 46 38