CASA GRANDE, ARIZONA

Monthly Total Growing Degree Days

(021306)

Base Temperature = 50 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 200907
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
1898 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
1899 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
1900 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
1901 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
1902 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
1903 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1103.50 f 0.00 z 956.40 e 685.50 389.00 76.00 2106.90
1904 27.50 0.00 z 0.00 z 590.00 871.50 1141.55 a 1268.00 1253.00 0.00 z 503.50 219.83 a 90.50 5965.38
1905 132.50 162.30 a 358.05 a 513.00 712.00 1149.00 1415.00 1403.00 1107.50 758.00 308.00 43.40 a 8061.75
1906 64.00 206.00 333.50 380.00 914.50 1207.50 1451.50 1364.00 1105.50 451.50 0.00 z 69.75 a 7547.75
1907 0.00 z 203.50 0.00 z 578.50 819.00 885.00 1387.50 1357.50 1108.00 651.50 297.00 222.00 7509.50
1908 113.50 159.50 390.50 606.00 696.50 1024.00 1205.50 1141.00 898.45 a 0.00 z 0.00 z 204.50 6439.45
1909 124.00 45.50 345.50 666.00 800.00 908.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2889.00
1910 0.00 z 280.50 679.50 693.50 923.50 1093.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3670.00
1911 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1244.50 0.00 z 1057.50 0.00 z 0.00 z 24.00 2326.00
1912 0.00 z 164.16 a 325.50 438.00 0.00 z 0.00 z 423.00 p 0.00 z 228.00 u 0.00 z 0.00 z 0.00 z 927.66
1913 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
1914 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
1915 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
1916 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
1917 0.00 z 0.00 z 226.41 c 486.00 639.50 1046.50 507.00 s 0.00 z 0.00 z 0.00 z 0.00 z 32.00 y 2398.41
1918 0.00 z 0.00 z 0.00 z 0.00 z 503.50 i 1185.50 1223.00 1094.50 997.00 701.00 242.50 35.00 5478.50
1919 45.50 37.00 249.50 598.00 812.00 1076.38 a 927.50 f 1184.50 905.00 469.50 206.00 0.00 z 5583.38
1920 36.50 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 37.95 b 74.45
1921 97.00 181.50 411.30 c 465.00 721.78 a 775.50 h 780.50 m 72.50 z 560.00 m 411.50 n 0.00 z 0.00 z 1876.59
1922 8.00 h 0.00 z 208.96 d 390.54 b 355.50 o 0.00 z 849.50 k 950.00 h 784.00 h 686.02 d 103.00 f 70.94 e 1356.46
1923 0.00 z 64.40 c 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 64.40
1924 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
1925 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 459.50 s 1278.00 1112.90 a 908.50 564.50 180.50 73.50 4117.90
1926 11.37 a 154.52 a 337.00 0.00 z 0.00 z 1038.50 1235.50 1188.50 1011.00 702.00 0.00 z 111.00 5789.39
1927 108.50 b 189.00 233.00 482.00 802.50 998.00 1298.00 1060.72 a 513.00 n 460.00 i 364.66 a 33.30 d 5569.67
1928 35.02 d 113.00 395.00 474.00 889.00 1015.50 1273.00 1174.00 0.00 z 655.13 a 0.00 z 79.16 c 6102.81
1929 35.50 72.50 245.50 421.61 b 775.50 1061.00 1274.50 1190.50 999.50 727.00 184.50 128.00 7115.61
1930 56.00 221.50 275.00 596.00 620.00 1062.50 1261.50 1166.50 904.50 560.00 295.50 54.00 7073.00
1931 95.00 160.00 298.50 629.50 875.50 1046.00 1321.00 1129.00 981.00 594.50 209.50 28.00 7367.50
1932 3.00 i 160.50 301.50 284.50 j 778.00 1015.00 1247.50 1237.50 1065.50 596.50 288.50 57.50 6748.00
1933 18.50 31.50 274.00 298.00 h 631.00 1025.50 1307.50 1228.50 1026.50 752.50 274.50 94.00 6664.00
1934 60.50 234.00 516.50 675.00 965.50 946.00 1319.50 1224.50 1001.00 724.50 278.00 135.50 8080.50
1935 134.00 195.00 210.50 515.00 680.00 1101.50 1266.00 1187.50 1000.00 636.57 b 160.00 79.50 7165.57
1936 26.50 h 148.76 b 393.00 623.00 903.50 1175.50 1354.46 e 1236.90 a 658.00 h 672.00 321.00 65.50 6893.62
1937 4.00 115.50 277.50 491.00 851.50 1050.00 1283.00 1274.50 1087.22 c 709.50 292.00 114.50 f 7435.72
1938 111.00 135.50 275.00 542.00 794.50 1048.00 1246.50 1201.50 708.50 j 0.00 z 111.50 108.50 5574.00
1939 59.00 7.50 216.50 h 604.14 a 0.00 z 1063.27 d 1313.00 784.00 k 0.00 z 129.50 x 418.97 a 214.00 m 3465.87
1940 143.00 h 135.33 b 385.29 c 563.04 b 916.71 c 1151.54 d 1263.25 c 917.50 h 794.50 f 653.30 d 42.00 r 124.00 f 5068.45
1941 59.02 e 175.91 e 255.50 345.00 781.20 a 954.50 1220.88 a 1116.53 b 871.00 509.50 286.50 77.50 6653.05
1942 79.50 65.50 183.42 a 430.00 696.50 1033.00 1299.00 1164.50 1006.00 617.00 318.50 102.00 6994.92
1943 65.00 254.50 139.00 v 626.50 838.50 1000.00 1262.50 1169.50 1017.00 640.00 251.00 79.50 7204.00
1944 34.00 49.50 162.00 379.50 729.00 882.00 1185.00 1370.00 1086.00 716.00 190.00 48.00 6831.00
1945 44.00 134.62 b 216.50 482.50 819.00 965.50 1273.50 1219.00 1016.00 0.00 z 282.50 0.00 z 6453.12
1946 0.00 z 0.00 z 0.00 z 0.00 z 807.00 1068.00 1201.50 1146.00 964.50 453.00 116.00 98.00 5854.00
1947 33.00 219.00 362.50 529.50 917.50 1005.00 1347.50 1205.00 1124.50 727.50 166.00 84.50 7721.50
1948 110.00 136.00 199.50 583.00 840.50 1050.50 1293.50 1252.00 1087.00 743.00 155.00 68.50 7518.50
1949 9.50 99.00 299.50 620.00 761.29 e 859.50 g 1244.00 1161.00 1066.50 572.00 434.00 149.50 6416.29
1950 90.00 232.50 404.11 c 666.92 d 738.04 e 1045.56 c 1230.50 1173.50 932.00 885.50 427.50 247.50 8073.62
1951 103.50 164.00 340.00 522.00 809.50 988.00 1319.50 1183.50 1026.50 744.50 287.50 132.50 7621.00
1952 73.50 127.50 173.00 527.50 928.50 1042.00 1257.50 1263.50 1076.38 a 844.00 258.50 74.00 7645.88
1953 153.50 137.00 378.00 513.00 649.50 1073.57 b 1297.00 1251.50 1047.50 668.88 e 391.03 a 67.00 7627.49
1954 100.00 322.50 325.00 686.00 804.50 972.00 1204.50 1096.00 1003.00 686.50 322.00 104.00 7626.00
1955 14.00 76.50 275.50 424.00 700.60 a 952.50 1098.50 731.50 j 928.50 729.07 d 0.00 z 0.00 z 5199.17
1956 0.00 z 80.50 f 341.00 510.50 853.50 1143.50 1216.50 1157.00 1061.50 637.50 198.00 54.00 7173.00
1957 124.00 311.00 365.00 496.50 713.00 1141.50 1329.00 1218.50 983.00 581.50 163.00 101.50 7527.50
1958 63.50 184.00 194.50 471.50 992.50 1139.00 1329.50 1283.00 1026.50 776.00 279.50 175.50 7915.00
1959 120.00 102.50 335.00 658.00 784.50 1180.00 1330.50 1163.50 983.00 688.00 344.00 100.00 7789.00
1960 44.00 37.00 482.00 583.00 799.50 1158.50 1336.00 1295.50 1102.00 696.50 259.00 h 84.00 7618.00
1961 50.00 i 205.00 377.88 b 559.50 870.50 1190.00 1395.00 1248.00 908.00 595.00 208.50 76.00 7633.38
1962 88.00 199.50 215.50 470.00 i 765.00 1012.50 1250.50 1274.50 1032.00 691.00 399.50 156.00 7084.00
1963 57.00 276.00 337.50 474.50 916.50 990.50 1327.00 1161.50 1067.50 766.50 305.00 67.00 7746.50
1964 48.50 37.00 236.50 461.50 766.50 1018.00 1300.00 1150.50 938.00 788.50 208.00 91.50 7044.50
1965 145.50 165.00 256.00 473.04 b 733.15 a 878.50 1235.50 1195.00 888.00 0.00 z 414.44 c 0.00 z 6384.13
1966 6.50 q 67.00 385.90 b 604.00 927.50 1108.50 1326.50 1260.50 1018.33 c 686.50 386.50 143.00 7914.23
1967 104.50 215.50 430.50 449.50 808.50 1022.50 1285.50 1245.00 1012.00 745.00 407.50 20.50 7746.50
1968 96.50 269.00 345.43 c 457.00 757.90 b 1050.00 1215.50 1081.12 c 953.28 a 653.58 a 263.57 b 48.64 b 7191.52
1969 188.50 136.89 a 213.79 b 566.00 883.50 1007.14 b 1302.52 a 1332.48 a 1068.50 582.80 a 331.50 159.00 7772.62
1970 111.60 a 254.24 c 306.38 a 415.96 d 900.60 b 1101.00 1311.30 a 1264.59 b 917.31 d 573.50 c 337.20 e 80.08 a 7573.77
1971 155.60 e 169.08 b 408.37 e 505.20 e 729.65 d 1043.33 c 1316.39 c 799.00 i 977.31 d 535.35 e 242.88 d 8.00 n 6083.15
1972 67.00 234.00 567.62 b 553.27 d 812.00 1082.59 a 1338.17 a 1181.32 c 985.18 b 677.00 185.89 b 0.00 z 7684.04
1973 63.00 154.00 a 171.50 486.50 878.50 1086.50 1297.00 1276.50 990.00 655.50 249.31 a 95.67 b 7403.98
1974 63.50 98.50 354.50 508.50 838.00 1163.00 1177.50 1113.00 982.00 761.50 217.80 e 27.56 d 7305.36
1975 48.00 60.15 a 234.00 318.21 b 666.50 b 975.50 1227.00 1190.00 944.00 596.00 247.00 63.00 6569.36
1976 118.00 247.00 259.00 462.50 875.00 1026.50 1255.00 1128.50 843.00 530.50 245.00 32.00 7022.00
1977 42.50 98.00 159.50 492.50 612.00 1067.50 1292.00 1258.50 1020.50 742.00 274.50 0.00 z 7059.50
1978 100.00 156.00 0.00 z 489.00 770.50 1111.00 1291.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3917.50
1979 35.00 95.00 228.00 509.50 815.00 1081.00 1258.00 1100.50 1054.50 708.50 207.41 a 146.73 a 7239.15
1980 143.00 228.00 286.50 512.07 a 736.00 1031.50 1328.50 1219.00 1007.00 630.16 b 310.00 221.65 a 7653.37
1981 186.00 214.00 309.00 651.00 826.67 a 1172.50 1299.50 1266.00 1029.83 a 629.41 c 328.00 0.00 z 7911.90
1982 82.00 198.00 290.50 533.50 758.00 956.50 1214.50 1223.00 967.50 512.00 232.50 54.00 7022.00
1983 91.00 120.00 260.50 367.00 789.00 968.50 1253.00 1145.00 1065.50 664.50 288.50 103.00 7115.50
1984 73.00 100.50 346.00 456.00 966.00 0.00 z 1140.50 1152.00 1054.00 588.00 276.50 71.50 6224.00
1985 73.00 173.19 a 331.00 653.50 917.50 1134.00 1275.00 1225.00 848.50 629.00 223.00 69.00 7551.69
1986 201.50 227.50 474.50 578.00 884.50 1137.00 1175.50 1207.50 844.50 546.50 318.50 97.50 7693.00
1987 111.50 188.00 300.00 697.00 863.00 1139.00 1220.50 1202.50 968.50 820.00 277.00 65.00 7852.00
1988 84.00 240.00 376.00 559.00 841.00 1132.50 1283.50 1176.50 929.50 832.50 308.50 119.50 7882.50
1989 90.00 241.00 498.00 754.00 883.50 1090.00 1323.50 1209.00 1039.00 684.00 320.50 81.00 8213.50
1990 89.00 118.50 391.00 634.50 821.00 1178.50 1247.00 1121.00 1019.50 452.50 l 214.00 k 80.00 6700.00
1991 0.00 z 0.00 z 148.50 487.50 765.00 951.50 1220.50 1236.50 1007.50 761.50 287.00 141.00 7006.50
1992 105.00 240.50 342.00 638.00 884.50 1033.50 1221.50 1198.00 1025.50 718.00 0.00 z 55.50 7462.00
1993 186.00 158.50 363.50 586.50 940.50 1089.00 1231.50 1188.00 994.00 733.00 256.00 114.00 7840.50
1994 107.50 141.00 419.50 616.55 a 800.50 1199.00 1297.00 1313.50 1053.50 660.50 245.50 150.00 8004.05
1995 98.50 303.00 0.00 z 489.00 757.00 1025.50 1305.50 1335.50 1110.50 770.00 482.00 210.00 7886.50
1996 185.00 368.00 465.50 712.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1730.50
1997 0.00 z 191.50 559.50 597.50 1088.50 1110.50 1332.00 1307.50 1142.50 730.50 378.50 75.00 8513.50
1998 155.00 79.50 297.50 426.50 728.50 997.00 0.00 z 1302.50 1092.50 693.50 307.00 161.00 6240.50
1999 160.88 b 247.50 436.77 c 463.39 b 865.33 b 1131.21 a 1217.02 b 0.00 z 864.50 f 0.00 z 380.50 f 125.60 b 4647.70
2000 186.60 e 276.50 0.00 z 439.50 l 673.50 j 0.00 z 502.50 s 0.00 z 0.00 z 601.83 b 94.00 80.00 1238.92
2001 91.50 125.48 a 365.00 543.62 a 967.00 1126.50 1274.50 1236.50 1084.00 739.50 408.00 58.00 8019.60
2002 89.50 172.00 292.00 651.00 800.00 1126.50 1295.00 1246.00 1041.00 609.50 345.00 70.00 7737.50
2003 219.50 162.00 335.00 482.50 863.00 1049.00 1334.50 1273.00 1067.00 861.50 252.50 129.00 8028.50
2004 134.50 94.00 561.50 575.50 883.50 1051.50 1252.00 1156.00 970.00 325.50 q 0.00 z 0.00 z 6678.50
2005 186.50 200.50 338.00 565.50 892.50 1096.50 1341.50 1228.00 1076.50 764.50 412.00 133.50 8235.50
2006 148.50 238.50 326.50 593.00 965.00 1222.50 1358.50 1233.00 960.00 698.00 406.00 98.00 8247.50
2007 80.00 214.00 487.50 611.50 914.50 1121.50 1315.00 1295.50 1069.00 750.50 413.40 e 60.00 8332.40
2008 88.50 137.50 268.50 n 635.00 820.00 1196.50 1329.00 1306.50 725.00 j 583.50 g 416.00 145.00 6074.00
2009 195.00 233.00 476.50 588.50 1031.50 1092.00 1084.00 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3616.50
Period of Record Statistics
MEAN 94.74 166.76 331.08 539.12 821.53 1065.38 1278.42 1214.02 1007.34 670.22 286.45 95.60 7575.06
S.D. 50.61 74.04 103.08 90.39 94.12 78.42 58.14 71.00 69.34 92.71 84.52 48.54 439.11
SKEW 0.45 0.08 0.67 -0.04 0.03 -0.20 -0.06 0.28 -0.43 -0.24 0.04 1.01 -0.36
MAX 219.50 368.00 679.50 754.00 1088.50 1222.50 1451.50 1403.00 1142.50 885.50 482.00 247.50 8332.40
MIN 4.00 7.50 148.50 318.21 612.00 878.50 1098.50 1060.72 843.00 451.50 94.00 20.50 6569.36
NO YRS 83 91 87 90 90 90 88 83 81 81 79 81 46