SKULL VALLEY, ARIZONA

Monthly Total Growing Degree Days

(027965)

Base Temperature = 40 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 198010
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
1972 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 409.50 o 549.00 181.50 103.50 834.00
1973 70.00 110.44 a 91.50 295.18 b 686.00 956.00 1134.60 a 1067.50 804.44 c 603.50 247.00 149.83 a 6216.00
1974 109.50 113.62 b 311.03 a 409.66 a 690.78 a 1074.00 1106.00 1023.00 b 901.03 a 609.67 a 296.11 c 60.89 c 6705.29
1975 129.17 a 103.50 153.97 a 196.50 591.58 a 848.04 b 1078.59 b 1025.50 920.69 a 578.00 255.00 c 156.07 b 6036.60
1976 178.77 a 181.00 198.50 327.50 686.81 b 869.48 a 1085.50 985.00 791.00 569.88 a 379.66 a 138.39 c 6391.49
1977 105.00 232.81 a 130.50 468.50 513.50 975.00 1131.50 1107.00 845.00 688.00 388.50 246.00 6831.31
1978 132.55 b 162.00 364.00 357.00 617.00 918.50 1138.73 a 1039.50 853.00 750.00 252.50 0.00 z 6584.79
1979 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 654.50 h 1120.81 b 1015.50 1015.86 a 719.89 d 210.56 c 219.14 b 4301.75
1980 111.00 210.77 a 145.91 b 292.50 g 501.54 c 873.00 1191.50 1060.50 924.50 683.50 0.00 z 0.00 z 5702.22
Period of Record Statistics
MEAN 119.43 159.16 199.34 342.39 612.46 930.57 1123.40 1040.44 881.94 639.05 276.35 153.40 6436.14
S.D. 33.19 51.83 100.72 94.21 81.27 78.74 35.49 37.39 73.77 72.43 74.50 63.49 331.17
SKEW 0.43 0.21 0.71 -0.24 -0.35 0.76 0.60 0.38 0.48 0.26 0.49 0.11 0.05
MAX 178.77 232.81 364.00 468.50 690.78 1074.00 1191.50 1107.00 1015.86 750.00 388.50 246.00 6831.31
MIN 70.00 103.50 91.50 196.50 501.54 848.04 1078.59 985.00 791.00 549.00 181.50 60.89 6036.60
NO YRS 7 7 7 6 7 7 8 8 8 9 8 7 5