PHOENIX CITY, ARIZONA

Monthly Total Growing Degree Days

(026486)

Base Temperature = 40 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 199810
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1584.50 1592.00 1384.00 1073.50 508.50 373.00 6515.50
1949 163.00 359.00 634.50 951.00 1138.50 1390.00 1581.50 1508.00 1410.50 930.50 784.00 400.00 9999.00
1950 356.50 560.50 721.00 985.50 1112.00 1349.00 1531.50 1546.00 1256.00 1194.00 756.50 585.50 9999.00
1951 397.50 472.50 664.00 843.50 1161.50 1319.00 1632.00 1483.00 1344.50 1032.00 603.50 389.50 9999.00
1952 370.50 438.00 490.50 836.00 1261.00 1367.50 1550.00 1583.00 1406.50 1194.50 537.50 391.50 9999.00
1953 513.00 425.50 719.00 836.50 986.00 1391.50 1595.50 1563.00 1379.00 1038.50 704.50 365.00 9999.00
1954 443.50 643.00 630.50 1018.00 1232.50 1351.50 1594.50 1499.50 1398.00 1096.00 758.00 451.50 9999.00
1955 280.50 334.50 682.00 813.50 1111.50 1337.50 1473.00 1469.50 1352.00 1162.50 619.50 542.00 9999.00
1956 549.50 354.00 739.00 830.50 1231.00 1480.50 1572.00 1492.50 1426.00 1003.00 596.00 460.57 c 9999.00
1957 447.00 621.50 697.50 818.00 1056.50 1456.00 1635.50 1513.00 1326.50 944.00 498.00 482.50 9999.00
1958 424.00 524.00 557.00 843.50 1339.50 1449.50 1646.00 1588.00 1309.62 d 1145.40 b 678.50 595.95 b 9999.00
1959 522.19 b 436.07 a 745.00 1032.50 1131.50 1521.50 1692.17 b 1516.00 1338.62 a 1076.73 a 678.50 466.03 a 9999.00
1960 298.50 361.50 797.00 954.44 c 1166.00 1521.43 b 1655.50 1581.00 1416.00 991.48 a 682.50 421.50 9999.00
1961 523.00 537.00 687.50 923.00 1163.00 1532.22 c 1634.00 1537.00 1256.50 1007.50 551.00 415.92 a 9999.00
1962 385.00 488.50 537.00 1022.50 1092.00 1351.00 1609.00 1642.00 1377.93 a 1071.50 750.00 532.50 9999.00
1963 338.00 614.00 680.00 788.00 1260.15 a 1287.50 1653.50 1496.00 1415.50 1148.50 693.00 454.00 9999.00
1964 306.00 365.00 572.00 822.50 1127.50 1345.50 1633.18 a 1485.50 1283.50 1163.00 531.00 451.00 9999.00
1965 462.50 418.50 585.90 a 800.50 1062.50 1225.00 1594.00 1566.50 1257.50 1125.00 733.00 446.50 9999.00
1966 329.00 339.50 722.00 946.50 1286.00 1425.50 1630.00 1600.00 1350.00 1029.50 709.50 465.50 9999.00
1967 407.50 521.50 735.50 700.00 1113.00 1296.00 1606.00 1592.00 1364.00 1122.00 789.50 302.50 9999.00
1968 445.00 625.50 693.50 585.50 i 1180.21 c 1414.14 a 1566.57 b 669.00 q 0.00 z 0.00 z 0.00 z 0.00 z 5924.92
1969 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
1970 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
1971 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
1972 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 791.00 l 1013.00 562.00 400.00 1975.00
1973 383.00 515.50 551.00 872.00 1334.11 c 1466.50 1657.00 1641.97 a 1362.00 1113.00 655.00 503.00 9999.00
1974 444.00 475.50 788.50 932.68 b 1252.00 1569.00 1612.50 1571.38 b 1408.00 1129.00 680.89 b 369.50 9999.00
1975 442.00 480.15 a 666.50 743.50 1149.00 1402.00 1655.00 1629.64 b 1417.24 a 1066.00 688.00 501.50 9999.00
1976 516.50 637.00 709.50 890.00 1274.00 1466.00 1639.50 1610.50 1334.50 1035.50 744.50 514.50 9999.00
1977 472.00 616.50 679.00 1016.00 1136.50 1561.50 1712.50 1668.00 1431.50 1226.50 789.00 634.00 9999.00
1978 515.50 535.00 830.50 903.50 1232.00 1556.50 1696.50 1603.22 a 1402.50 1238.97 a 672.00 391.00 9999.00
1979 334.50 499.50 691.00 945.00 1214.50 1494.50 1678.50 1548.50 1526.00 1180.50 626.50 567.50 9999.00
1980 568.50 646.50 693.50 937.50 1138.00 1508.50 1739.50 1630.00 1446.00 1142.00 760.50 698.50 9999.00
1981 639.00 625.50 747.00 1088.00 1268.33 b 1592.50 1705.50 1706.50 1458.62 a 1056.50 791.50 602.50 9999.00
1982 465.50 579.50 706.50 970.00 1224.50 1412.00 1632.50 1649.00 1413.50 0.00 z 205.00 t 459.50 9999.00
1983 522.50 530.00 704.50 814.14 a 1263.00 1443.50 1704.00 1586.00 1488.00 1127.50 706.00 539.00 9999.00
1984 533.00 573.50 866.00 942.50 1406.50 1469.00 1600.50 1585.50 1442.50 973.00 671.00 453.00 9999.00
1985 451.00 496.00 0.00 z 1090.50 1354.50 1555.00 1696.00 1672.00 1281.50 1111.50 654.00 519.00 9999.00
1986 688.00 611.50 918.50 1037.00 1323.00 1564.50 1603.00 1689.00 1301.50 1074.00 756.00 542.00 9999.00
1987 493.00 562.50 716.50 1115.00 1275.00 1549.50 1634.50 1588.50 1393.00 1253.50 699.50 413.00 9999.00
1988 485.50 646.50 808.00 981.50 1270.00 1552.00 1694.50 1633.50 1394.00 1288.50 722.00 485.00 9999.00
1989 464.50 602.00 933.50 1188.50 1321.50 1507.50 1721.50 1618.50 1457.50 1134.50 781.00 517.50 9999.00
1990 492.00 479.00 844.00 1061.50 1249.50 1581.00 1643.00 1547.50 1410.50 1183.50 772.00 422.50 9999.00
1991 494.50 717.00 621.00 944.00 1211.50 1402.50 1652.50 1664.50 1436.00 1233.00 715.00 541.50 9999.00
1992 496.00 633.50 745.00 1099.00 1314.50 1473.50 1627.50 1605.50 1473.50 1212.50 638.00 413.50 9999.00
1993 565.00 539.50 804.50 1013.50 1344.50 1492.50 1631.50 1609.00 1434.50 1136.00 659.00 506.50 9999.00
1994 539.00 500.50 843.50 1020.00 1240.00 1607.50 1698.50 1738.00 1456.50 1069.00 574.00 520.50 9999.00
1995 467.50 0.00 z 0.00 z 887.50 804.00 i 1402.50 1689.00 0.00 z 0.00 z 1182.50 870.00 564.50 7063.50
1996 550.50 687.00 794.00 1043.50 1368.00 1572.00 1737.00 1696.00 0.00 z 0.00 z 762.00 527.00 9999.00
1997 505.00 526.00 932.50 914.00 1436.00 1462.00 1658.00 1668.00 1498.00 1076.50 735.50 401.50 9999.00
1998 529.50 409.50 683.50 819.50 1164.00 0.00 z 0.00 z 1700.50 1430.00 1073.00 0.00 z 0.00 z 7809.50
Period of Record Statistics
MEAN 456.93 523.65 717.46 934.13 1221.70 1455.01 1638.91 1593.65 1389.75 1108.41 685.50 478.26 12179.97
S.D. 97.17 100.14 102.33 108.49 98.94 93.38 55.21 67.46 65.89 84.10 85.56 80.21 618.78
SKEW -0.51 -0.23 0.12 0.09 -0.05 -0.36 -0.47 0.02 -0.36 -0.02 -0.43 0.35 -0.01
MAX 688.00 717.00 933.50 1188.50 1436.00 1607.50 1739.50 1738.00 1526.00 1288.50 870.00 698.50 13281.45
MIN 163.00 334.50 490.50 700.00 986.00 1225.00 1473.00 1469.50 1256.00 930.50 498.00 302.50 9999.00
NO YRS 46 45 44 45 45 45 46 45 44 45 45 46 40