WILLOW SPRINGS RCH, ARIZONA

Monthly Total Growing Degree Days

(029382)

Base Temperature = 50 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197812
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
1943 0.00 z 0.00 z 170.50 534.31 a 737.00 895.00 1032.00 949.50 866.50 540.00 0.00 z 0.00 z 5724.81
1944 41.00 48.50 120.00 278.00 588.50 774.00 1019.00 1019.00 801.00 610.50 114.50 45.50 5459.50
1945 18.50 66.50 68.50 261.21 a 564.50 674.50 895.50 0.00 z 776.00 0.00 z 0.00 z 5.00 3330.21
1946 7.50 22.00 158.50 541.00 0.00 z 1011.00 979.50 870.50 0.00 z 0.00 z 0.00 z 0.00 z 3590.00
1947 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 0.00 z 0.00
1948 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 0.00 z 0.00
1949 0.00 z 0.00 z 0.00 z 550.80 e 674.77 a 857.50 727.50 h 0.00 z 833.50 332.50 212.07 a 0.00 z 3461.14
1950 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 746.50 775.50 320.00 163.50 2005.50
1951 41.50 81.00 124.00 223.85 d 605.00 789.31 a 1008.50 858.18 a 835.00 507.88 a 100.50 0.00 z 5174.72
1952 0.00 z 0.00 z 0.00 z 23.50 z 617.42 a 537.50 j 493.50 o 899.00 805.00 589.50 101.00 6.00 3017.92
1953 38.00 27.00 165.00 293.00 399.50 874.00 936.00 903.00 798.00 466.00 237.00 14.50 5151.00
1954 28.50 120.00 120.00 426.50 606.00 802.00 987.00 818.50 777.00 547.00 228.00 65.50 5526.00
1955 8.00 46.50 135.50 263.50 519.00 815.50 916.50 845.50 775.00 616.00 176.00 70.50 5187.50
1956 117.50 20.50 205.50 275.50 594.50 941.00 929.50 881.50 904.50 478.00 104.00 11.50 5463.50
1957 31.00 159.00 125.50 264.50 392.67 d 890.00 978.00 861.00 742.00 351.50 34.00 29.00 4858.17
1958 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 0.00 z 0.00
1959 53.00 23.00 152.00 429.00 549.00 927.50 1001.50 522.00 k 721.00 450.50 35.50 k 21.70 a 4328.20
1960 2.00 0.00 214.00 386.50 602.50 975.00 1052.81 e 712.50 h 831.96 b 439.17 d 114.50 g 22.50 f 4503.94
1961 11.76 b 42.58 d 78.00 i 340.50 558.60 e 917.50 970.00 857.00 637.50 477.73 c 34.00 j 19.78 b 4832.95
1962 10.16 b 81.50 67.50 450.50 487.50 776.00 944.50 1016.05 b 779.50 452.50 240.54 b 34.00 5340.24
1963 5.00 136.00 115.50 242.07 a 661.85 a 727.76 a 1041.08 a 818.00 758.28 a 554.00 143.50 16.50 5219.54
1964 3.50 5.70 a 54.00 237.00 520.80 a 781.03 a 981.00 806.50 603.50 501.50 75.00 17.50 4587.03
1965 19.50 30.50 41.00 241.50 409.50 610.50 922.00 913.00 630.00 495.50 212.50 26.50 4552.00
1966 0.00 0.00 103.50 170.50 f 599.00 863.00 993.00 920.50 717.00 439.00 194.50 42.88 a 4872.38
1967 23.00 v 38.50 154.48 a 126.50 g 430.12 c 671.38 a 948.60 a 794.63 a 628.45 a 397.32 a 4.00 t 0.00 4063.49
1968 0.00 48.00 39.30 c 72.00 i 427.00 767.00 765.50 604.50 421.50 337.26 b 56.90 a 2.00 3468.96
1969 6.50 0.00 48.10 b 161.79 b 471.09 c 625.50 891.77 a 1026.00 828.00 426.50 141.50 63.00 4689.75
1970 21.91 b 77.00 77.50 d 192.50 620.00 a 655.18 b 826.00 747.00 473.28 a 158.00 108.50 35.00 3991.87
1971 108.00 65.85 a 229.50 279.00 472.00 838.00 1074.00 884.00 716.00 339.97 a 102.50 17.16 c 5125.98
1972 12.29 b 114.00 380.50 350.00 569.88 a 824.50 1076.00 909.50 755.50 382.85 a 37.78 c 11.00 5423.80
1973 10.50 27.00 0.00 z 195.50 614.00 824.50 982.50 973.00 786.50 539.50 318.00 50.50 5321.50
1974 22.50 30.50 144.00 248.50 g 702.00 751.00 j 961.50 914.00 747.50 543.07 d 141.96 b 4.50 4211.54
1975 15.00 26.50 121.00 208.00 509.00 842.50 963.00 993.00 767.50 513.00 193.00 46.00 5197.50
1976 50.00 125.50 58.00 m 290.50 617.00 873.00 923.00 942.00 677.50 362.00 171.50 5.00 5037.00
1977 16.50 76.00 108.50 382.00 403.00 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 583.00
1978 0.00 z 17.50 v 225.00 241.00 538.00 941.00 1100.50 0.00 z 765.50 568.50 124.50 19.00 4523.00
Period of Record Statistics
MEAN 25.91 54.97 135.87 316.28 555.26 819.47 968.96 885.55 738.90 473.07 155.57 31.22 5051.56
S.D. 29.21 43.71 73.19 110.63 90.08 103.77 72.35 91.79 104.82 115.23 77.54 33.29 432.86
SKEW 1.98 0.78 1.32 0.83 -0.16 -0.34 -0.63 -0.90 -1.36 -0.13 0.46 2.45 -1.04
MAX 117.50 159.00 380.50 550.80 737.00 1011.00 1100.50 1026.00 904.50 775.50 320.00 163.50 5526.00
MIN 0.00 0.00 39.30 161.79 392.67 610.50 765.50 604.50 421.50 158.00 34.00 0.00 3991.87
NO YRS 27 28 27 27 30 29 29 26 31 30 25 27 15