MANY FARMS SCHOOL, ARIZONA

Monthly Total Growing Degree Days

(025204)

Base Temperature = 40 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197507
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
1951 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 244.50 w 831.50 215.00 r 60.00 2.00 893.50
1952 1.00 8.50 45.50 325.50 681.00 896.50 1096.50 1109.50 802.50 514.00 91.50 0.00 5572.00
1953 19.00 16.00 133.50 290.00 459.50 967.50 1156.00 1019.00 776.00 398.87 a 110.00 3.00 5348.37
1954 6.50 50.50 79.00 432.50 728.00 912.50 1135.00 1023.00 786.50 481.00 80.50 3.50 5718.50
1955 2.50 7.00 122.50 196.50 518.00 812.00 1052.50 1097.00 764.50 498.00 74.00 79.50 5224.00
1956 47.00 13.00 135.00 268.50 451.50 l 1052.78 c 1097.50 993.50 851.50 474.50 8.00 0.50 f 4941.28
1957 16.02 a 102.67 d 129.34 b 249.81 d 411.00 f 624.50 i 859.50 f 818.50 f 475.50 j 360.00 f 43.00 h 12.18 c 510.01
1958 0.00 c 61.04 c 78.10 e 212.00 f 520.00 i 509.50 o 907.50 g 793.50 i 527.50 i 277.50 i 76.50 k 37.50 k 139.14
1959 0.00 j 11.50 m 60.50 k 314.00 h 379.00 o 732.00 h 710.50 l 713.00 i 507.00 k 297.00 k 38.50 l 0.00 k 0.00
1960 0.00 m 2.50 i 182.50 g 299.00 f 367.00 l 745.00 g 642.00 n 782.50 i 525.00 k 238.00 j 57.00 m 0.50 k 0.00
1961 0.50 k 27.50 i 93.00 h 221.50 k 479.50 i 713.00 h 394.50 t 154.50 z 467.50 j 277.50 i 38.00 j 3.00 k 0.00
1962 0.00 g 29.00 g 75.50 i 270.50 l 395.00 i 603.50 i 720.50 j 723.50 i 511.00 l 326.00 h 91.50 h 2.00 k 0.00
1963 3.00 h 29.00 h 66.50 i 146.00 h 523.50 i 576.00 i 713.00 l 709.00 i 500.50 k 353.00 j 44.50 l 0.00 j 0.00
1964 0.00 i 0.00 i 23.00 i 160.50 h 401.00 i 604.00 h 672.50 m 674.00 j 484.00 i 333.50 h 25.50 l 12.50 j 0.00
1965 0.00 i 9.00 g 47.50 h 186.00 i 294.00 j 546.50 h 611.50 l 590.00 l 306.00 n 186.00 p 73.50 o 3.00 s 0.00
1966 0.00 k 0.00 h 100.50 h 0.00 z 731.82 c 0.00 z 1144.50 1056.00 738.00 0.00 z 94.50 50.00 3814.82
1967 28.00 46.50 280.50 270.50 600.50 838.50 1124.00 1060.00 804.83 a 0.00 z 167.00 0.00 5220.33
1968 0.00 66.59 b 121.50 257.00 609.00 953.00 1106.00 921.00 755.00 458.00 72.00 0.00 a 5319.09
1969 43.00 26.50 98.00 388.50 713.52 a 870.50 1151.00 1129.00 847.00 384.00 82.00 39.00 5772.02
1970 25.50 64.50 68.50 207.50 662.50 868.50 1136.50 1131.50 734.00 321.00 128.00 8.00 5356.00
1971 19.00 33.50 189.50 312.00 556.50 932.00 914.50 g 1099.00 707.00 352.50 84.50 20.50 4306.00
1972 23.00 88.50 300.50 393.00 623.00 858.00 1104.00 1055.50 794.50 494.00 48.50 5.50 5788.00
1973 0.00 11.50 55.00 262.00 640.50 838.00 1083.50 1056.00 727.50 437.50 229.00 43.00 5383.50
1974 0.00 12.50 294.00 346.50 734.50 993.50 1090.50 1035.00 787.00 466.50 108.00 2.50 5870.50
1975 42.00 16.00 125.50 239.50 488.00 886.55 a 540.50 p 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1797.55
Period of Record Statistics
MEAN 17.03 39.05 141.00 295.95 624.74 905.70 1113.65 1056.07 780.49 439.99 95.83 17.91 5535.20
S.D. 16.68 30.47 82.98 69.41 91.90 67.58 30.44 57.15 43.52 62.02 51.44 24.01 235.93
SKEW 0.51 0.69 0.96 0.51 -0.41 0.66 -0.30 -0.72 0.06 -0.68 1.03 1.38 0.15
MAX 47.00 102.67 300.50 432.50 734.50 1052.78 1156.00 1131.50 851.50 514.00 229.00 79.50 5870.50
MIN 0.00 7.00 45.50 196.50 459.50 812.00 1052.50 921.00 707.00 321.00 8.00 0.00 5224.00
NO YRS 16 16 16 15 14 14 13 14 15 12 15 15 10