CASA GRANDE, ARIZONA

Monthly Total Growing Degree Days

(021306)

Base Temperature = 40 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 1353.50 f 0.00 z 1256.40 e 995.50 689.00 368.00 3308.90
1904 226.50 0.00 z 0.00 z 890.00 1181.50 1441.55 a 1578.00 1563.00 0.00 z 813.50 519.83 a 390.50 8604.38
1905 441.50 421.56 a 668.05 a 813.00 1022.00 1449.00 1725.00 1713.00 1407.50 1068.00 597.00 261.43 a 9999.00
1906 278.50 485.50 643.50 680.00 1224.50 1507.50 1761.50 1674.00 1405.50 761.50 0.00 z 363.73 a 9999.00
1907 0.00 z 481.50 0.00 z 878.50 1129.00 1185.00 1697.50 1667.50 1408.00 961.50 597.00 530.50 9999.00
1908 413.50 444.00 700.50 906.00 1006.50 1324.00 1515.50 1451.00 1198.45 a 0.00 z 0.00 z 514.50 9473.95
1909 421.00 278.00 655.50 966.00 1110.00 1208.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4638.50
1910 0.00 z 547.50 989.50 993.50 1233.50 1393.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5157.00
1911 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1554.50 0.00 z 1357.50 0.00 z 0.00 z 297.50 3209.50
1912 0.00 z 454.16 a 635.50 738.00 0.00 z 0.00 z 573.00 p 0.00 z 318.00 u 0.00 z 0.00 z 0.00 z 1827.66
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 504.30 c 786.00 949.50 1346.50 627.00 s 0.00 z 0.00 z 0.00 z 0.00 z 92.00 y 3586.30
1918 0.00 z 0.00 z 0.00 z 0.00 z 723.50 i 1485.50 1533.00 1404.50 1297.00 1011.00 524.00 248.00 7503.00
1919 281.00 286.50 559.00 898.00 1122.00 1376.38 a 1177.50 f 1494.50 1205.00 779.50 486.50 0.00 z 8488.38
1920 259.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 234.64 b 493.64
1921 331.00 428.50 721.30 c 765.00 1031.78 a 995.50 h 960.50 m 92.50 z 730.00 m 581.50 n 0.00 z 0.00 z 3277.59
1922 152.50 h 0.00 z 486.81 d 690.00 b 515.50 o 0.00 z 1049.50 k 1180.00 h 1004.00 h 996.02 d 330.00 f 363.06 e 2535.89
1923 0.00 z 222.32 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 222.32
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 569.50 s 1588.00 1422.90 a 1208.50 874.50 479.50 341.00 5914.40
1926 207.18 a 432.96 a 642.50 0.00 z 0.00 z 1338.50 1545.50 1498.50 1311.00 1012.00 0.00 z 328.50 8316.65
1927 399.26 b 467.50 535.50 782.00 1112.50 1298.00 1608.00 1370.72 a 673.00 n 680.00 i 664.66 a 258.33 d 8496.46
1928 248.57 d 377.00 705.00 774.00 1199.00 1315.50 1583.00 1484.00 0.00 z 965.13 a 0.00 z 291.18 c 8942.39
1929 256.50 290.50 548.50 721.61 b 1085.50 1361.00 1584.50 1500.50 1299.50 1036.50 482.00 416.00 9999.00
1930 311.50 490.50 581.00 896.00 930.00 1362.50 1571.50 1476.50 1204.50 870.00 566.50 289.00 9999.00
1931 312.50 436.50 607.50 929.50 1185.50 1346.00 1631.00 1439.00 1281.00 904.50 458.00 219.00 9999.00
1932 80.00 i 430.50 608.50 484.50 j 1088.00 1315.00 1557.50 1547.50 1365.50 906.50 588.50 242.00 9649.50
1933 205.00 201.50 582.00 518.00 h 941.00 1325.50 1617.50 1538.50 1326.50 1062.50 563.00 354.50 9717.50
1934 325.00 514.00 826.50 974.50 1275.50 1246.00 1629.50 1534.50 1301.00 1034.50 552.50 411.00 9999.00
1935 387.50 458.50 495.50 815.00 990.00 1401.50 1576.00 1497.50 1300.00 946.57 b 456.00 351.50 9999.00
1936 192.00 h 415.13 b 701.50 923.00 1213.50 1475.50 1664.46 e 1546.90 a 878.00 h 982.00 621.00 340.00 9882.99
1937 118.00 376.50 586.00 791.00 1161.50 1350.00 1593.00 1584.50 1387.22 c 1019.50 592.00 354.00 f 9999.00
1938 386.00 401.00 582.00 842.00 1104.50 1348.00 1556.50 1511.50 908.50 j 0.00 z 387.50 376.00 8495.00
1939 300.00 181.00 436.00 h 904.14 a 0.00 z 1363.27 d 1623.00 984.00 k 0.00 z 199.50 x 718.97 a 394.00 m 5090.37
1940 361.50 h 414.06 b 695.29 c 863.04 b 1226.71 c 1451.54 d 1573.25 c 1147.50 h 1034.50 f 958.13 d 144.50 r 353.50 f 7182.01
1941 343.98 e 451.04 e 565.50 645.00 1091.20 a 1254.50 1530.88 a 1426.53 b 1171.00 819.50 568.00 338.50 9999.00
1942 333.00 288.00 489.28 a 730.00 1006.50 1333.00 1609.00 1474.50 1306.00 927.00 618.00 384.50 9999.00
1943 345.00 516.50 229.00 v 926.50 1148.50 1300.00 1572.50 1479.50 1317.00 950.00 549.50 333.00 9999.00
1944 231.00 298.00 465.00 679.50 1039.00 1182.00 1495.00 1680.00 1386.00 1026.00 475.00 317.00 9999.00
1945 270.50 408.69 b 524.50 782.50 1129.00 1265.50 1583.50 1529.00 1316.00 0.00 z 582.50 0.00 z 9391.69
1946 0.00 z 0.00 z 0.00 z 0.00 z 1117.00 1368.00 1511.50 1456.00 1264.50 763.00 387.50 367.00 8234.50
1947 223.50 496.00 672.50 829.50 1227.50 1305.00 1657.50 1515.00 1424.50 1037.50 445.00 315.50 9999.00
1948 349.00 369.50 490.50 883.00 1150.50 1350.50 1603.50 1562.00 1387.00 1053.00 435.50 335.50 9999.00
1949 129.50 304.50 609.00 920.00 1071.29 e 1089.50 g 1554.00 1471.00 1366.50 877.50 734.00 357.50 9394.79
1950 312.50 500.50 714.11 c 966.92 d 1048.04 e 1345.56 c 1540.50 1483.50 1232.00 1195.50 727.50 557.50 9999.00
1951 351.50 418.50 637.00 822.00 1119.50 1288.00 1629.50 1493.50 1326.50 1054.50 585.00 394.00 9999.00
1952 322.50 398.00 459.00 827.50 1238.50 1342.00 1567.50 1573.50 1376.38 a 1154.00 531.50 347.50 9999.00
1953 450.00 389.00 684.50 813.00 959.50 1373.57 b 1607.00 1561.50 1347.50 978.88 e 667.76 a 298.50 9999.00
1954 384.00 600.00 629.50 986.00 1114.50 1272.00 1514.50 1406.00 1303.00 996.50 622.00 340.50 9999.00
1955 191.00 251.00 576.00 724.00 1010.60 a 1252.50 1408.50 941.50 j 1228.50 1039.07 d 0.00 z 0.00 z 7681.17
1956 0.00 z 295.50 f 648.50 810.50 1163.50 1443.50 1526.50 1467.00 1361.50 947.50 481.50 335.00 9999.00
1957 413.00 590.00 675.00 796.50 1023.00 1441.50 1639.00 1528.50 1283.00 891.50 449.50 405.50 9999.00
1958 344.50 460.50 491.50 771.50 1302.50 1439.00 1639.50 1593.00 1326.50 1086.00 565.50 472.00 9999.00
1959 413.00 372.00 645.00 958.00 1094.50 1480.00 1640.50 1473.50 1283.00 998.00 644.00 357.00 9999.00
1960 220.00 284.00 787.00 883.00 1109.50 1458.50 1646.00 1605.50 1402.00 1006.50 479.00 h 337.00 9999.00
1961 260.00 i 484.50 687.88 b 859.50 1180.50 1490.00 1705.00 1558.00 1208.00 901.50 507.00 356.00 9999.00
1962 336.50 469.00 518.50 680.00 i 1075.00 1312.50 1560.50 1584.50 1332.00 1001.00 699.50 455.00 9999.00
1963 281.50 550.50 646.50 774.50 1226.50 1290.50 1637.00 1471.50 1367.50 1076.50 604.50 348.00 9999.00
1964 229.00 285.00 530.00 761.50 1076.50 1318.00 1610.00 1460.50 1238.00 1098.50 479.50 383.00 9999.00
1965 430.50 402.00 557.00 773.04 b 1043.15 a 1178.50 1545.50 1505.00 1188.00 0.00 z 714.44 c 0.00 z 9337.13
1966 104.00 q 299.50 679.86 b 904.00 1237.50 1408.50 1636.50 1570.50 1318.33 c 996.50 686.50 400.50 9999.00
1967 359.00 494.50 740.50 749.50 1118.50 1322.50 1595.50 1555.00 1312.00 1055.00 706.00 228.50 9999.00
1968 375.50 558.50 655.43 c 757.00 1067.90 b 1350.00 1525.50 1391.12 c 1253.28 a 963.58 a 557.68 b 303.59 b 9999.00
1969 480.50 399.78 a 512.57 b 866.00 1193.50 1307.14 b 1612.52 a 1642.48 a 1368.50 892.80 a 631.50 444.00 9999.00
1970 375.10 a 528.64 c 616.38 a 715.96 d 1210.60 b 1401.00 1621.30 a 1574.59 b 1217.31 d 883.50 c 637.20 e 352.88 a 9999.00
1971 398.23 e 434.54 b 704.06 e 805.20 e 1039.65 d 1343.33 c 1626.39 c 1019.00 i 1277.31 d 844.75 e 538.27 d 112.00 n 9011.73
1972 336.00 514.50 877.62 b 853.27 d 1122.00 1382.59 a 1648.17 a 1491.32 c 1285.18 b 987.00 485.89 b 0.00 z 9999.00
1973 309.00 431.93 a 477.50 786.50 1188.50 1386.50 1607.00 1586.50 1290.00 965.50 527.59 a 355.97 b 9999.00
1974 322.00 354.50 660.00 808.50 1148.00 1463.00 1487.50 1423.00 1282.00 1071.50 514.80 e 209.54 d 9999.00
1975 284.00 300.22 a 522.50 618.21 b 976.50 b 1275.50 1537.00 1500.00 1244.00 906.00 531.50 325.00 9999.00
1976 365.00 535.00 560.00 762.00 1185.00 1326.50 1565.00 1438.50 1143.00 840.50 513.00 258.50 9999.00
1977 259.00 351.00 446.00 789.00 922.00 1367.50 1602.00 1568.50 1320.50 1052.00 574.50 0.00 z 9999.00
1978 389.00 417.00 0.00 z 789.00 1080.50 1411.00 1601.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5687.50
1979 251.00 358.50 536.00 809.50 1125.00 1381.00 1568.00 1410.50 1354.50 1018.50 478.45 a 444.33 a 9999.00
1980 448.00 514.00 596.50 812.07 a 1046.00 1331.50 1638.50 1529.00 1307.00 940.16 b 610.00 526.48 a 9999.00
1981 494.00 487.00 619.00 951.00 1136.67 a 1472.50 1609.50 1576.00 1329.83 a 939.41 c 621.50 0.00 z 9999.00
1982 335.50 464.50 598.50 833.50 1068.00 1256.50 1524.50 1533.00 1267.50 822.00 532.50 293.00 9999.00
1983 366.00 391.50 570.50 667.00 1099.00 1268.50 1563.00 1455.00 1365.50 974.50 552.50 399.00 9999.00
1984 339.00 382.00 656.00 756.00 1276.00 0.00 z 1450.50 1462.00 1354.00 898.00 557.00 348.50 9479.00
1985 350.50 409.11 a 639.50 953.50 1227.50 1434.00 1585.00 1535.00 1148.50 939.00 510.50 337.50 9999.00
1986 511.50 482.00 784.50 878.00 1194.50 1437.00 1485.50 1517.50 1144.50 856.50 618.50 393.00 9999.00
1987 365.50 449.50 610.00 997.00 1173.00 1439.00 1530.50 1512.50 1268.50 1130.00 574.50 305.00 9999.00
1988 341.00 530.00 682.00 859.00 1151.00 1432.50 1593.50 1486.50 1229.50 1142.50 605.00 369.00 9999.00
1989 334.00 500.00 805.50 1054.00 1193.50 1390.00 1633.50 1519.00 1339.00 994.00 618.00 355.50 9999.00
1990 345.00 358.50 695.00 934.50 1131.00 1478.50 1557.00 1431.00 1319.50 642.50 l 397.00 k 299.50 9549.50
1991 0.00 z 0.00 z 447.00 787.50 1075.00 1251.50 1530.50 1546.50 1307.50 1071.50 587.00 434.00 9999.00
1992 391.50 530.50 652.00 938.00 1194.50 1333.50 1531.50 1508.00 1325.50 1028.00 0.00 z 302.00 9999.00
1993 486.50 438.50 672.00 886.50 1250.50 1389.00 1541.50 1498.00 1294.00 1043.00 552.50 393.50 9999.00
1994 391.00 409.50 729.50 916.55 a 1110.50 1499.00 1607.00 1623.50 1353.50 970.50 532.00 451.50 9999.00
1995 398.50 583.00 0.00 z 789.00 1067.00 1325.50 1615.50 1645.50 1410.50 1080.00 782.00 509.50 9999.00
1996 482.50 656.00 775.50 1012.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2926.00
1997 0.00 z 470.50 867.50 897.50 1398.50 1410.50 1642.00 1617.50 1442.50 1040.50 678.50 323.50 9999.00
1998 452.00 349.50 604.50 726.50 1038.50 1297.00 0.00 z 1612.50 1392.50 1003.50 607.00 425.50 9509.00
1999 461.26 b 525.00 746.77 c 763.39 b 1175.33 b 1431.21 a 1527.02 b 0.00 z 1104.50 f 0.00 z 618.00 f 423.84 b 7053.82
2000 475.73 e 566.50 0.00 z 619.50 l 883.50 j 0.00 z 622.50 s 0.00 z 0.00 z 911.83 b 363.50 367.50 2685.06
2001 343.50 388.37 a 675.00 843.62 a 1277.00 1426.50 1584.50 1546.50 1384.00 1049.50 695.00 285.00 9999.00
2002 358.00 444.00 595.00 951.00 1110.00 1426.50 1605.00 1556.00 1341.00 919.50 645.00 326.00 9999.00
2003 528.00 424.50 644.50 782.50 1173.00 1349.00 1644.50 1583.00 1367.00 1171.50 543.00 389.00 9999.00
2004 412.00 355.00 871.00 875.50 1193.50 1351.50 1562.00 1466.00 1270.00 465.50 q 0.00 z 0.00 z 9356.50
2005 486.50 480.50 648.00 865.50 1202.50 1396.50 1651.50 1538.00 1376.50 1074.50 705.00 415.50 9999.00
2006 431.50 517.50 635.00 893.00 1275.00 1522.50 1668.50 1543.00 1260.00 1008.00 697.50 356.50 9999.00
2007 324.00 491.00 794.50 911.50 1224.50 1421.50 1625.00 1605.50 1369.00 1060.50 713.40 e 273.50 9999.00
2008 358.50 397.00 438.50 n 935.00 1130.00 1496.50 1639.00 1616.50 925.00 j 823.50 g 716.00 429.00 8717.50
2009 494.50 506.50 786.50 888.50 1341.50 1392.00 1324.00 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5409.50
Period of Record Statistics
MEAN 349.67 428.60 636.26 839.06 1131.53 1365.38 1588.42 1524.02 1307.34 980.04 577.44 357.77 11096.21
S.D. 86.94 93.09 106.92 90.42 94.12 78.43 58.14 71.01 69.34 92.83 90.53 72.42 465.11
SKEW -0.24 -0.36 0.57 -0.04 0.03 -0.20 -0.07 0.27 -0.43 -0.24 -0.02 0.44 -0.36
MAX 528.00 656.00 989.50 1054.00 1398.50 1522.50 1761.50 1713.00 1442.50 1195.50 782.00 557.50 11840.50
MIN 118.00 181.00 446.00 618.21 922.00 1178.50 1408.50 1370.72 1143.00 761.50 363.50 209.54 9999.00
NO YRS 83 91 87 90 90 90 88 83 81 81 79 81 46