COTTONWOOD WEIR, UTAH

Monthly Total Growing Degree Days

(421759)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1200.50 1187.00 911.00 502.00 75.00 28.00 3903.50
1949 0.00 4.00 138.00 475.50 609.00 816.50 1215.50 1224.00 930.50 342.00 222.00 16.50 5993.50
1950 48.50 94.00 108.50 357.00 505.00 868.00 1119.00 1174.50 772.00 668.50 171.00 22.00 5908.00
1951 16.50 75.00 91.50 399.31 a 590.00 761.50 1191.00 1082.50 878.00 377.50 75.00 10.00 5547.81
1952 9.00 2.00 28.00 391.50 669.50 892.00 1123.50 1172.00 958.00 692.50 89.50 9.50 6037.00
1953 102.30 a 68.00 217.50 283.00 415.50 862.00 1250.50 1169.50 1008.00 557.50 273.50 0.00 6207.30
1954 48.00 71.04 a 102.00 474.50 749.50 789.50 1286.50 1160.00 891.00 523.50 249.50 10.50 6355.54
1955 0.00 1.00 72.00 267.50 614.50 830.00 1198.50 1234.50 893.50 528.00 96.00 98.00 5833.50
1956 64.50 20.50 251.50 359.00 672.50 1012.50 1227.50 1124.50 996.50 545.17 b 80.50 17.00 6371.67
1957 11.50 119.50 191.00 294.00 594.00 935.00 1269.97 a 1223.00 923.08 d 464.47 b 30.00 m 0.00 z 6025.51
1958 2.00 136.00 72.50 245.50 883.50 1033.45 a 1241.11 c 1276.50 880.34 a 630.73 e 156.50 33.00 6591.13
1959 41.16 b 29.00 132.00 409.82 b 510.00 1062.86 b 1253.95 a 1154.75 a 711.72 a 451.10 b 122.00 1.50 5879.86
1960 5.50 9.00 236.24 b 413.28 a 639.50 1023.00 1381.64 b 1169.50 982.50 521.00 148.45 a 15.50 6545.10
1961 11.00 57.50 138.00 314.50 664.90 b 1124.48 a 1327.00 1212.50 662.50 447.50 54.00 26.00 6039.88
1962 5.00 68.50 98.17 a 484.50 621.00 916.50 1162.00 1146.00 924.00 561.50 240.00 12.00 6239.17
1963 9.50 122.50 140.00 202.50 772.00 749.50 1246.00 1201.50 948.50 703.00 147.50 0.00 6242.50
1964 5.50 0.00 z 0.00 z 235.50 0.00 z 745.50 1290.00 1097.50 837.50 0.00 z 121.00 58.50 4391.00
1965 36.00 72.50 0.00 z 0.00 z 0.00 z 817.50 1194.00 1072.00 0.00 z 630.00 307.00 24.50 4153.50
1966 24.00 9.00 247.50 382.50 821.00 943.00 0.00 z 1205.50 927.00 437.00 233.00 17.50 5247.00
1967 26.00 50.50 216.00 217.00 539.00 717.50 1225.50 1227.50 0.00 z 464.50 0.00 z 0.00 z 4683.50
1968 3.50 51.27 a 194.50 195.00 a 528.55 a 890.00 1195.64 b 911.50 716.50 425.22 a 85.86 a 16.00 5213.54
1969 68.95 b 6.00 110.00 365.50 820.50 771.00 1216.00 1260.50 933.00 220.50 114.00 25.00 5910.95
1970 62.50 85.50 75.50 149.00 566.50 872.50 1167.50 1198.50 637.50 294.00 112.00 2.58 a 5223.58
1971 62.00 33.50 137.00 296.50 554.79 b 864.50 1211.50 1192.98 a 694.00 324.50 60.50 25.00 5456.78
1972 13.95 a 103.05 a 289.91 d 298.00 707.83 a 906.50 1164.50 1065.00 655.50 402.48 a 32.50 0.00 z 5639.23
1973 7.48 b 20.00 44.00 218.04 b 660.50 903.00 1168.00 1193.00 688.97 a 491.00 152.00 24.50 5570.48
1974 13.20 d 15.50 218.55 a 309.11 b 685.88 c 1007.14 b 1221.29 b 1096.00 777.60 e 497.11 c 146.90 a 19.38 c 6007.65
1975 3.50 f 29.17 d 113.48 c 122.78 c 461.42 e 805.38 d 1191.20 d 1083.00 826.73 d 457.25 c 72.00 i 51.84 b 5142.26
1976 2.98 e 32.76 b 75.84 c 285.00 c 657.00 810.56 c 1294.25 e 1025.07 a 826.67 c 422.52 d 195.52 a 0.00 d 5628.15
1977 0.00 b 57.50 94.60 b 493.50 475.50 1070.00 1175.50 1106.00 867.50 540.43 a 167.00 60.00 6107.54
1978 7.00 56.50 269.50 272.00 524.00 911.50 1214.00 1106.50 723.00 554.00 93.00 2.67 b 5733.67
1979 1.00 19.00 117.50 369.00 643.00 953.50 1220.22 b 1091.50 940.96 d 587.00 49.00 30.00 6021.69
1980 26.50 79.00 44.50 q 432.93 a 328.00 k 906.72 a 1213.50 364.00 u 834.50 438.50 189.50 41.00 4162.16
1981 3.00 88.00 121.42 a 447.00 550.50 932.50 1199.00 1202.50 881.00 338.50 215.50 80.00 6058.92
1982 23.00 84.50 119.50 263.50 559.50 848.00 1096.00 1185.50 685.00 278.50 53.50 19.50 5216.00
1983 23.50 55.00 134.50 183.50 482.57 a 790.50 1112.50 1117.00 827.00 487.00 156.00 28.50 5397.57
1984 0.00 0.00 44.50 220.50 666.50 794.50 1133.00 1117.50 772.50 286.00 102.50 0.00 5137.50
1985 0.00 0.50 74.50 472.50 701.00 940.00 1222.50 1136.00 657.50 420.00 82.00 3.00 5709.50
1986 26.00 132.50 310.00 0.00 z 607.00 1045.00 1098.00 1198.00 608.50 420.00 129.00 11.50 5585.50
1987 23.00 27.00 131.00 550.50 687.50 985.00 1089.00 1071.00 873.50 562.00 105.50 40.50 6145.50
1988 1.50 61.50 130.00 409.50 639.50 1053.00 1310.00 1177.50 757.00 695.50 142.50 0.00 6377.50
1989 0.00 31.00 256.50 472.50 656.50 860.50 1289.00 1095.50 838.50 491.00 120.50 1.00 6112.50
1990 29.00 19.00 218.50 456.00 565.50 952.00 1189.50 1121.50 961.50 486.50 146.00 1.50 6146.50
1991 0.00 65.00 122.50 258.00 484.00 870.00 1225.00 1167.50 752.50 517.50 72.00 0.50 5534.50
1992 0.00 53.50 293.00 591.00 794.50 944.50 1090.50 1163.50 864.50 602.50 40.00 16.50 6454.00
1993 3.00 7.00 190.50 291.50 731.50 767.50 978.00 1054.00 840.50 439.00 55.50 30.00 5388.00
1994 43.00 47.00 256.50 396.00 777.00 1045.50 1289.50 1256.00 958.00 421.50 78.50 23.50 6592.00
1995 41.00 190.00 211.00 296.00 482.00 783.00 1166.50 1228.50 898.00 458.00 287.00 121.50 6162.50
1996 24.50 64.00 222.50 363.50 630.00 1027.50 1273.00 1220.50 769.00 495.50 186.00 94.50 6370.50
1997 33.00 25.50 276.50 303.50 776.50 945.00 1177.00 1170.00 827.00 457.00 134.00 1.50 6126.50
1998 49.50 26.00 182.50 284.00 579.50 717.00 1237.50 1163.50 835.50 349.00 159.00 56.50 5639.50
1999 27.50 60.50 255.00 236.50 565.00 915.00 1221.50 1225.50 816.00 609.00 307.50 9.50 6248.50
2000 76.50 87.00 147.00 540.00 720.00 1019.50 1312.00 1254.00 828.62 a 419.53 a 13.00 0.00 a 6417.15
2001 0.00 25.93 a 199.00 334.00 770.57 c 926.50 1225.02 a 1233.50 945.00 528.03 a 0.00 z 6.00 6193.55
2002 5.50 14.50 108.50 384.00 648.00 988.50 1300.50 1122.50 767.50 318.00 21.00 12.50 5691.00
2003 46.00 31.00 188.00 0.00 z 668.00 906.00 0.00 z 1203.00 819.00 605.00 40.00 16.50 4522.50
2004 1.00 5.50 285.00 357.50 622.50 898.00 1181.50 1071.00 776.00 398.50 71.00 18.50 5686.00
2005 2.00 17.50 114.50 279.50 553.50 732.00 1282.50 1122.50 761.00 447.50 152.50 45.50 5510.50
2006 17.50 43.00 96.00 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 156.50
Period of Record Statistics
MEAN 21.65 50.18 161.99 340.80 631.01 899.28 1209.92 1156.52 829.97 477.76 132.02 24.30 5930.18
S.D. 23.60 40.19 74.32 106.35 103.95 101.79 71.23 68.58 100.87 108.97 73.67 26.55 399.11
SKEW 1.27 1.06 0.27 0.24 0.21 0.07 -0.46 -0.81 -0.30 0.00 0.66 1.79 -0.27
MAX 102.30 190.00 310.00 591.00 883.50 1124.48 1381.64 1276.50 1008.00 703.00 307.50 121.50 6592.00
MIN 0.00 0.00 28.00 122.78 415.50 717.00 978.00 911.50 608.50 220.50 13.00 0.00 5137.50
NO YRS 57 57 55 54 54 57 56 57 56 57 54 55 46