COTTONWOOD, ARIZONA

Monthly Total Growing Degree Days

(022193)

Base Temperature = 40 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 197706
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 672.00 831.00 1063.50 1269.50 1220.00 1093.50 620.00 497.50 140.00 7407.00
1950 95.00 283.00 418.00 723.00 817.00 1096.50 1245.00 1221.00 974.50 933.00 458.50 301.00 8565.50
1951 110.50 182.00 369.50 565.00 864.00 1069.50 1453.00 1233.50 1096.00 733.50 297.50 95.00 8069.00
1952 81.50 147.07 a 206.50 590.00 696.00 g 652.50 k 1269.00 1274.00 1098.00 853.00 234.50 96.00 5849.57
1953 232.50 171.63 a 315.00 h 553.00 675.00 1086.50 1299.50 1173.00 1067.00 713.00 418.50 99.50 7489.13
1954 146.50 369.50 347.50 719.50 943.00 1077.00 1339.50 1159.00 1069.00 817.00 486.00 169.00 8642.50
1955 58.00 136.00 395.00 522.50 837.00 1040.50 1207.00 1223.50 1033.00 813.00 351.50 218.00 7835.00
1956 211.00 104.50 449.50 560.00 925.50 1188.50 1262.50 1197.50 1161.00 703.50 312.00 152.50 8228.00
1957 182.00 405.00 442.00 545.00 724.50 1131.00 1320.50 1201.50 1027.00 668.00 235.00 208.00 8089.50
1958 151.50 271.00 249.00 541.00 982.50 1125.00 1329.00 1314.00 1015.50 790.50 360.50 265.50 8395.00
1959 196.50 156.50 428.00 699.00 813.50 1199.00 1346.50 1198.00 987.50 778.00 390.50 200.00 8393.00
1960 75.50 106.50 528.50 635.00 853.50 1208.50 1342.50 1291.00 1088.50 686.50 364.00 145.50 8325.50
1961 202.50 265.50 384.50 638.00 835.00 1191.50 1348.50 1255.00 956.50 716.00 272.00 122.50 8187.50
1962 148.00 237.50 252.00 750.00 787.50 1054.50 1276.00 1296.50 1056.50 778.00 481.50 260.00 8378.00
1963 103.00 357.50 388.00 534.00 929.50 1002.00 1376.00 1210.00 1093.00 855.50 399.50 164.00 8412.00
1964 94.50 103.50 286.00 519.00 806.50 1015.50 1340.00 1180.00 1002.00 888.50 287.50 101.00 7624.00
1965 209.00 231.00 305.50 516.50 723.00 883.00 1255.50 1207.50 918.00 840.00 453.50 151.00 7693.50
1966 62.00 112.00 475.50 642.00 900.50 1057.50 1295.00 1243.50 1049.50 729.00 426.00 192.00 8184.50
1967 166.50 270.00 481.50 424.50 806.50 975.00 1299.50 1253.50 1045.50 824.00 475.50 52.00 8074.00
1968 77.00 358.00 406.50 515.00 841.00 1125.50 1267.00 1119.50 1025.00 739.50 319.00 61.00 7854.00
1969 224.00 149.50 293.00 589.50 878.00 1046.00 1315.50 1342.50 1037.50 620.00 331.00 191.00 8017.50
1970 110.50 282.50 346.96 e 443.00 883.50 1126.00 1344.00 1292.50 921.50 584.00 364.50 85.50 7784.46
1971 196.00 200.50 455.50 544.00 726.50 1072.00 1350.50 1229.00 1013.00 542.50 297.00 71.00 7697.50
1972 81.00 285.00 639.00 624.50 860.50 1094.50 1354.50 1210.50 1002.50 649.00 206.00 96.50 8103.50
1973 75.00 166.50 171.00 463.00 855.00 1085.50 1271.00 1232.50 998.50 723.00 307.00 137.50 7485.50
1974 99.50 151.50 447.00 558.50 904.50 1259.00 1274.00 1215.00 1030.00 735.00 333.50 75.00 8082.50
1975 118.50 174.00 304.50 389.00 789.50 1044.00 1291.50 1235.50 1038.50 697.50 343.00 174.00 7599.50
1976 183.50 284.00 334.00 507.00 873.00 1063.00 1280.00 1171.50 955.50 645.00 385.50 116.00 7798.00
1977 109.00 256.50 285.50 617.50 707.50 783.00 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1976.00
Period of Record Statistics
MEAN 135.71 222.06 373.68 572.41 834.79 1088.15 1307.93 1228.59 1030.48 738.41 360.29 147.86 8060.76
S.D. 55.13 87.39 103.66 89.70 75.21 78.57 49.62 49.48 56.15 94.58 80.95 64.60 317.17
SKEW 0.29 0.39 0.26 0.12 -0.30 -0.08 0.62 0.27 -0.05 0.00 0.05 0.59 -0.04
MAX 232.50 405.00 639.00 750.00 982.50 1259.00 1453.00 1342.50 1161.00 933.00 497.50 301.00 8642.50
MIN 58.00 103.50 171.00 389.00 675.00 883.00 1207.00 1119.50 918.00 542.50 206.00 52.00 7485.50
NO YRS 28 28 27 29 28 27 28 28 28 28 28 28 25