DAVIS DAM #2, ARIZONA

Monthly Total Growing Degree Days

(022439)

Base Temperature = 50 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197707
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
1958 231.50 280.00 277.50 594.00 1043.50 1165.50 1323.50 1433.50 1132.50 862.50 380.00 277.00 9001.00
1959 215.00 158.00 485.00 749.00 891.50 1243.50 1474.50 1311.00 999.50 755.62 c 369.44 c 158.62 a 8810.69
1960 63.03 a 92.58 c 469.50 638.28 a 878.16 b 1278.10 a 1431.88 b 1366.00 1121.25 b 725.00 346.61 b 124.57 d 8534.96
1961 162.75 c 187.38 b 376.50 634.14 a 868.00 b 0.00 z 1484.12 c 1353.27 e 967.78 c 712.47 b 258.89 c 82.48 c 7087.78
1962 132.27 a 212.69 b 249.50 767.59 a 820.43 b 1128.10 a 1392.93 a 1398.32 c 1156.07 b 778.62 a 441.35 d 264.07 d 8741.94
1963 57.02 c 324.69 b 358.50 508.50 949.63 a 1038.10 a 1376.63 d 1362.45 a 1106.11 c 848.76 b 275.50 g 134.85 a 8065.25
1964 60.50 107.41 b 242.83 a 524.50 803.86 b 1091.79 b 1399.81 b 1339.89 d 1050.60 e 908.19 d 261.60 e 139.50 d 7930.47
1965 128.00 f 183.17 d 297.27 c 476.79 b 635.00 f 962.78 c 1348.50 c 1049.00 f 913.85 d 820.95 c 409.80 e 125.79 e 5538.88
1966 64.67 b 78.52 e 403.57 d 675.50 801.00 f 1138.20 e 1094.00 f 1401.89 d 893.00 f 689.46 d 304.50 f 148.50 f 4451.82
1967 125.79 e 222.17 e 458.44 e 390.00 d 861.44 e 1044.81 d 1055.00 h 1411.07 d 1111.15 d 831.63 e 332.50 f 50.00 f 6456.52
1968 102.54 e 341.35 e 414.92 e 526.15 d 870.98 e 903.00 g 1353.27 e 944.00 g 755.50 i 723.33 d 283.00 g 35.00 g 4332.55
1969 185.45 c 121.52 c 231.50 g 527.00 f 708.00 h 1123.50 996.00 i 1487.50 1167.12 d 499.50 j 300.00 j 144.50 i 4085.08
1970 102.96 c 263.85 b 359.60 a 457.24 a 919.48 c 1185.00 c 1428.21 c 1373.82 a 1009.00 637.00 332.50 65.50 8134.17
1971 163.50 197.50 375.50 542.00 700.00 1115.89 b 1426.50 1333.50 1012.50 593.50 258.50 50.50 7769.39
1972 54.50 257.89 a 600.00 617.00 907.27 a 1169.48 a 1427.50 1296.83 a 777.50 f 447.00 i 160.00 f 33.50 j 6330.48
1973 17.50 f 141.83 e 216.43 d 413.50 g 799.50 f 1172.31 d 1084.50 g 1327.26 d 716.50 h 423.00 l 227.00 g 109.50 k 2857.82
1974 41.73 e 90.00 f 434.00 e 577.20 e 742.00 f 1273.50 1352.00 1256.53 a 1119.64 b 768.50 311.00 63.03 a 7197.14
1975 96.00 113.50 291.00 384.50 818.50 1125.00 1392.50 1295.50 1134.00 703.00 223.00 n 184.50 7538.00
1976 172.50 252.00 323.00 501.00 983.50 1104.00 1395.00 1253.50 977.50 688.00 369.00 112.00 8131.00
1977 89.00 268.50 251.00 666.50 708.00 1215.00 309.50 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3198.00
Period of Record Statistics
MEAN 117.82 200.24 362.32 568.33 868.28 1143.03 1400.46 1353.05 1065.24 752.91 339.88 137.11 8381.70
S.D. 58.75 78.71 100.28 109.71 91.94 81.66 45.95 62.11 79.44 85.60 62.26 70.96 450.96
SKEW 0.47 0.10 0.51 0.09 -0.16 -0.22 0.20 0.28 -0.40 0.04 -0.03 0.80 0.02
MAX 231.50 341.35 600.00 767.59 1043.50 1278.10 1484.12 1487.50 1167.12 908.19 441.35 277.00 9001.00
MIN 41.73 78.52 216.43 384.50 700.00 962.78 1323.50 1253.50 913.85 593.50 258.50 50.50 7769.39
NO YRS 18 19 19 18 15 18 15 17 15 16 11 13 8