SELIGMAN 13 SSW, ARIZONA

Monthly Total Growing Degree Days

(027720)

Base Temperature = 40 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 198201
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
1962 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1000.00 1049.00 789.00 453.50 210.50 61.50 3563.50
1963 8.50 118.00 90.93 a 223.50 623.50 739.00 1116.50 997.88 b 818.50 0.00 z 170.50 11.00 4917.81
1964 9.50 1.00 51.50 228.50 502.00 741.50 1098.50 908.00 685.00 531.50 84.50 20.67 a 4862.17
1965 39.50 50.00 64.50 250.50 456.50 326.50 n 974.00 934.00 614.00 493.00 190.00 32.50 4098.50
1966 0.00 q 3.50 0.00 z 148.45 a 569.88 a 834.81 d 1004.18 c 1038.00 791.00 430.50 160.50 41.69 b 5022.51
1967 29.50 0.00 z 8.00 44.50 0.00 z 489.00 k 1047.80 a 952.39 d 733.93 b 466.07 b 233.50 0.00 d 3515.69
1968 0.00 g 97.00 148.69 d 214.82 b 487.45 b 569.00 i 1005.20 d 827.18 a 718.93 b 526.00 151.20 e 5.50 g 4176.47
1969 74.63 d 15.17 d 83.50 284.00 602.12 e 770.50 1036.50 1119.10 a 747.00 233.00 i 117.78 c 66.50 4916.79
1970 33.50 f 32.00 h 78.02 a 132.32 b 573.50 c 811.00 1061.00 992.00 633.50 0.00 z 101.50 f 13.78 d 4295.12
1971 75.00 44.59 a 168.00 242.00 0.00 z 812.14 b 1104.00 988.68 c 678.00 291.92 a 75.50 22.50 4502.33
1972 0.50 76.50 226.00 g 336.50 554.38 a 823.97 a 1129.00 959.50 702.50 389.05 a 27.50 10.50 5009.90
1973 7.50 18.50 18.00 0.00 z 570.92 a 808.00 1006.50 953.50 692.59 a 0.00 z 141.00 19.50 4236.00
1974 7.75 a 7.00 189.00 255.00 627.50 990.00 846.50 g 991.45 c 795.00 b 479.50 90.50 2.00 4434.70
1975 18.50 20.50 95.50 119.00 456.73 a 774.00 1047.00 962.50 769.14 a 410.75 c 138.62 a 13.00 t 4812.24
1976 27.50 55.41 a 93.00 b 219.50 579.70 a 763.50 1045.50 863.50 691.50 362.50 172.76 a 0.00 a 4874.37
1977 15.50 69.50 52.00 320.89 b 357.03 b 881.00 1070.50 1021.00 738.50 514.50 191.79 b 94.00 5326.21
1978 25.83 a 53.85 b 229.50 276.50 497.50 850.86 a 1045.22 a 922.50 696.72 a 565.00 140.69 a 6.20 a 5310.37
1979 4.13 a 15.04 a 106.71 e 260.00 c 524.00 774.00 1020.79 c 873.17 a 843.00 518.50 66.50 54.00 5059.83
1980 36.17 a 76.96 c 64.58 a 288.50 400.00 0.00 z 345.50 v 983.00 805.34 a 452.00 181.50 114.00 3402.06
1981 46.50 69.00 106.00 397.00 583.00 928.50 1066.50 992.50 797.00 348.00 186.00 57.00 5577.00
1982 12.00 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 0.00 z 12.00
Period of Record Statistics
MEAN 25.79 46.56 96.91 235.64 527.40 820.19 1048.82 966.44 737.01 452.02 143.73 34.85 5168.33
S.D. 22.68 34.99 58.56 84.30 77.31 69.93 43.44 67.84 63.03 75.77 54.40 33.35 284.26
SKEW 1.08 0.35 0.69 -0.42 -0.69 1.06 0.25 -0.03 -0.18 -0.52 -0.47 0.95 0.19
MAX 75.00 118.00 229.50 397.00 627.50 990.00 1129.00 1119.10 843.00 565.00 233.50 114.00 5577.00
MIN 0.50 1.00 8.00 44.50 357.03 739.00 974.00 827.18 614.00 291.92 27.50 0.00 4862.17
NO YRS 17 17 17 18 17 15 18 20 20 16 19 18 6