WILLOW SPRINGS RCH, ARIZONA

Monthly Total Growing Degree Days

(029382)

Base Temperature = 40 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 457.50 834.31 a 1047.00 1195.00 1342.00 1259.50 1166.50 849.00 0.00 z 0.00 z 8150.81
1944 217.00 237.00 380.50 573.00 898.50 1074.00 1329.00 1329.00 1101.00 920.50 369.00 268.50 8697.00
1945 162.00 277.00 292.00 514.14 a 874.50 974.50 1205.50 0.00 z 1076.00 0.00 z 0.00 z 198.00 5573.64
1946 120.00 181.00 435.00 838.00 0.00 z 1311.00 1289.50 1180.50 0.00 z 0.00 z 0.00 z 0.00 z 5355.00
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 850.80 e 984.77 a 1157.50 957.50 h 0.00 z 1133.50 626.50 510.00 a 0.00 z 5263.07
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 1046.50 1085.50 615.50 462.50 3210.00
1951 231.00 264.50 390.50 511.73 d 911.50 1089.31 a 1318.50 1168.18 a 1135.00 817.88 a 363.50 0.00 z 8201.61
1952 0.00 z 0.00 z 0.00 z 53.50 z 927.42 a 737.50 j 653.50 o 1209.00 1105.00 899.50 285.00 116.50 4542.42
1953 249.50 178.00 424.00 585.00 709.50 1174.00 1246.00 1213.00 1098.00 774.50 484.50 123.00 8259.00
1954 208.00 369.00 358.00 726.50 915.00 1102.00 1297.00 1128.50 1077.00 857.00 527.00 298.00 8863.00
1955 102.50 173.50 412.00 557.50 828.50 1115.50 1226.50 1155.50 1075.00 926.00 422.50 330.00 8325.00
1956 373.00 134.50 468.50 553.50 904.50 1241.00 1239.50 1191.50 1204.50 772.00 342.00 209.00 8633.50
1957 219.00 410.50 404.00 555.50 702.67 d 1190.00 1288.00 1171.00 1042.00 659.50 243.50 268.50 8154.17
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 293.00 184.50 443.00 729.00 859.00 1227.50 1311.50 722.00 k 1021.00 759.00 210.00 k 208.73 a 7036.23
1960 114.00 93.50 505.00 682.00 912.50 1275.00 1362.81 e 942.50 h 1131.96 b 749.17 d 326.00 g 158.50 f 6825.94
1961 243.19 b 248.50 d 282.50 i 640.50 868.60 e 1217.50 1280.00 1167.00 937.50 784.96 c 172.00 j 200.43 b 7588.18
1962 160.88 b 294.00 258.00 750.50 797.50 1076.00 1254.50 1326.05 b 1079.50 762.50 521.79 b 250.00 8531.22
1963 131.00 357.50 365.50 529.14 a 971.85 a 1027.76 a 1351.08 a 1128.00 1058.28 a 864.00 405.50 221.50 8411.11
1964 111.00 94.77 a 238.50 508.00 825.12 a 1081.03 a 1291.00 1116.50 903.50 811.50 278.00 183.00 7441.92
1965 204.50 179.50 262.00 512.50 719.50 910.50 1232.00 1223.00 930.00 802.00 487.00 162.50 7625.00
1966 54.00 45.00 359.50 406.00 f 909.00 1163.00 1303.00 1230.50 1017.00 749.00 470.00 227.33 a 7527.33
1967 84.00 v 248.00 441.23 a 333.50 g 730.16 c 971.38 a 1258.60 a 1104.63 a 928.45 a 704.22 a 73.00 t 66.00 6452.67
1968 97.50 276.50 269.04 c 260.00 i 737.00 1067.00 1075.50 914.50 721.50 646.72 b 251.38 a 68.00 6124.64
1969 171.50 66.00 186.00 b 456.96 b 767.80 c 925.50 1201.77 a 1336.00 1128.00 736.50 417.50 273.00 7666.53
1970 205.78 b 334.50 327.80 d 476.00 930.00 a 955.18 b 1136.00 1057.00 773.28 a 453.00 400.50 207.50 7256.53
1971 296.50 222.96 a 493.50 569.50 782.00 1138.00 1384.00 1194.00 1016.00 609.15 a 341.50 112.93 c 8160.04
1972 223.41 b 349.00 688.50 644.50 879.88 a 1124.50 1386.00 1219.50 1055.50 677.87 a 255.00 c 170.50 8674.16
1973 133.00 211.50 0.00 z 480.00 924.00 1124.50 1292.50 1283.00 1086.50 849.50 558.50 299.00 8242.00
1974 195.50 245.50 418.50 461.50 g 1012.00 951.00 j 1271.50 1224.00 1047.50 853.07 d 434.46 b 140.50 6842.54
1975 186.00 199.50 358.50 479.00 819.00 1142.50 1273.00 1303.00 1067.50 823.00 454.00 265.00 8370.00
1976 265.50 401.50 193.00 m 562.00 927.00 1173.00 1233.00 1252.00 977.50 665.50 418.00 205.50 8080.50
1977 181.50 317.00 361.50 673.00 653.00 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1533.00
1978 0.00 z 77.50 v 521.50 541.00 848.00 1241.00 1410.50 0.00 z 1065.50 878.50 382.00 191.50 7079.50
Period of Record Statistics
MEAN 190.73 235.51 389.61 604.95 864.13 1119.47 1278.96 1195.55 1038.90 778.90 409.51 212.11 8204.54
S.D. 71.55 98.39 104.16 117.46 91.03 103.77 72.35 91.79 104.82 119.90 100.49 84.62 491.73
SKEW 0.36 -0.08 0.47 0.81 -0.16 -0.34 -0.63 -0.90 -1.36 -0.21 0.00 0.66 -0.63
MAX 373.00 410.50 688.50 850.80 1047.00 1311.00 1410.50 1336.00 1204.50 1085.50 615.50 462.50 8863.00
MIN 54.00 45.00 186.00 456.96 702.67 910.50 1075.50 914.50 721.50 453.00 243.50 66.00 7256.53
NO YRS 27 28 27 27 30 29 29 26 31 30 25 27 15