WILLOW BEACH, ARIZONA

Monthly Total Growing Degree Days

(029376)

Base Temperature = 40 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 200709
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
1967 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 1152.50 734.00 263.50 2150.00
1968 353.00 632.00 767.50 871.50 1244.50 1530.00 1725.50 1577.00 1415.00 1075.18 a 664.00 272.50 9999.00
1969 455.50 372.30 a 643.50 977.14 b 1333.50 1462.00 1748.50 1845.61 c 1492.50 965.00 664.66 a 458.05 b 9999.00
1970 369.70 d 549.00 694.83 b 801.00 1300.50 1501.55 a 1760.00 1732.26 b 1343.33 c 993.03 a 662.78 c 343.58 a 9999.00
1971 363.00 471.50 718.00 920.17 a 1100.50 a 1470.00 1792.00 1703.97 a 1329.50 917.71 b 509.50 231.00 9999.00
1972 249.00 491.00 898.47 b 892.22 c 1238.00 1514.00 1805.00 1638.00 1317.00 911.50 477.00 231.00 9999.00
1973 223.00 390.50 516.00 851.00 1325.50 1537.50 1778.50 1680.00 1335.00 1022.50 574.00 369.50 9999.00
1974 249.50 388.37 a 772.50 880.00 1336.50 1608.50 1718.00 1610.00 1444.82 b 1096.00 600.00 267.50 9999.00
1975 288.50 393.00 596.50 748.00 1204.35 a 1496.00 1758.14 c 1621.00 1402.50 971.50 529.50 351.50 9999.00
1976 359.71 b 528.00 639.00 838.50 1307.50 1458.00 1743.50 1572.50 1296.50 917.00 0.00 z 0.00 z 9999.00
1977 271.50 472.00 545.00 979.50 1036.43 a 1545.00 1752.00 1692.00 1354.50 1072.00 601.50 469.00 9999.00
1978 352.50 426.00 709.00 851.50 1175.00 1533.00 1721.00 1611.00 1257.50 1101.50 483.50 170.00 9999.00
1979 150.50 296.50 598.50 871.50 1226.50 1432.00 1612.50 1506.00 1473.00 1119.00 519.00 366.00 9999.00
1980 389.50 514.00 603.00 886.00 1087.50 1391.50 1694.50 1598.00 0.00 z 1020.50 0.00 z 514.00 9698.50
1981 472.00 488.00 655.00 1051.00 1218.00 1565.50 1782.50 1699.00 1408.50 974.00 704.00 442.00 9999.00
1982 333.00 455.00 638.50 885.00 1222.50 1418.00 1620.50 1640.00 1331.50 920.00 528.50 323.50 9999.00
1983 368.00 476.00 680.50 750.50 1185.00 1406.00 1607.00 1493.50 1394.50 1000.50 615.50 406.00 9999.00
1984 359.50 423.00 709.00 826.00 1355.50 1427.00 1627.50 1543.00 1412.00 897.00 556.50 279.00 9999.00
1985 295.50 340.50 615.00 997.00 1275.00 1492.50 1657.50 1560.00 1233.00 987.00 508.00 371.00 9999.00
1986 466.00 523.50 0.00 z 949.50 1273.00 1548.50 1601.50 1738.00 1212.50 980.50 686.50 413.00 9999.00
1987 310.00 497.00 645.32 a 1030.50 1246.50 1491.50 1573.50 1646.50 1393.00 1152.50 600.00 247.50 9999.00
1988 288.00 496.50 725.00 869.50 1199.00 1441.00 1756.00 1602.50 1318.00 1231.50 660.50 403.50 9999.00
1989 318.00 445.50 827.00 1127.00 899.50 i 1474.50 1721.00 1574.00 1354.50 1032.00 697.00 433.50 9999.00
1990 354.00 384.00 778.00 998.00 1207.00 1473.50 1693.00 1584.50 1402.50 1070.00 649.50 258.50 9999.00
1991 328.50 572.50 530.50 848.50 1096.00 1339.00 1642.50 1597.50 1355.00 1148.00 620.00 381.50 9999.00
1992 333.00 533.50 669.50 978.50 1273.00 1403.00 1580.50 1636.50 1406.00 1104.00 543.50 278.50 9999.00
1993 326.00 410.50 722.00 921.00 1257.00 1368.00 1572.00 1575.00 1353.50 1071.00 521.00 369.50 9999.00
1994 421.00 367.00 808.50 974.50 1196.50 1590.50 1713.50 1735.00 1431.50 990.50 459.00 413.50 9999.00
1995 389.00 612.50 666.50 865.00 1094.50 1353.00 1692.00 1711.50 1498.00 1108.00 808.00 485.00 9999.00
1996 466.00 617.50 806.50 1042.00 1360.00 1558.00 1831.00 1797.50 1405.00 1072.00 696.50 447.00 9999.00
1997 448.50 506.50 878.50 971.50 1483.50 1502.50 1667.00 1745.00 1434.00 1051.00 688.00 351.00 9999.00
1998 450.00 415.50 689.50 803.00 1130.50 1384.00 1735.50 1737.50 1397.50 1015.00 623.50 381.50 9999.00
1999 475.50 502.00 824.00 807.50 1225.50 1456.50 1669.50 1664.00 1421.50 1162.50 743.00 439.00 9999.00
2000 0.00 z 566.00 740.00 1096.00 1444.00 1625.00 1759.50 1734.00 1406.00 1076.50 490.50 473.50 9999.00
2001 365.50 431.00 769.00 928.00 1455.00 1584.50 1725.00 1760.00 1499.00 1161.50 734.50 317.50 9999.00
2002 362.50 463.50 668.00 1080.50 1263.00 1573.00 1816.50 1695.50 1460.00 1022.00 683.50 407.50 9999.00
2003 574.00 276.00 k 536.50 h 358.00 r 1319.50 1570.00 1814.50 1705.50 1188.00 f 1269.00 569.50 403.00 9225.00
2004 290.50 g 428.50 941.00 746.00 g 1320.82 c 1562.50 1762.83 e 1297.50 g 1399.00 830.00 f 561.50 383.50 8359.65
2005 434.00 470.50 712.40 e 869.40 e 1340.15 e 1448.00 1785.50 1167.50 i 0.00 z 0.00 z 0.00 z 0.00 z 7059.96
2006 0.00 z 263.50 m 387.00 k 0.00 z 0.00 z 0.00 z 1299.00 i 1313.00 g 881.00 j 1020.50 502.00 h 0.00 z 1020.50
2007 68.00 w 381.00 g 510.00 k 627.00 j 916.50 j 1502.00 1323.00 h 1026.50 l 969.00 j 0.00 z 0.00 z 0.00 z 1502.00
Period of Record Statistics
MEAN 361.46 468.92 705.58 917.71 1252.89 1488.12 1710.96 1654.52 1382.49 1048.72 610.21 362.60 11897.08
S.D. 84.13 78.02 100.06 95.45 103.00 73.59 73.35 82.44 69.56 88.87 88.73 83.27 499.65
SKEW 0.03 0.12 0.29 0.33 0.09 -0.16 -0.39 0.12 -0.49 0.34 0.13 -0.34 0.58
MAX 574.00 632.00 941.00 1127.00 1483.50 1625.00 1831.00 1845.61 1499.00 1269.00 808.00 514.00 13099.00
MIN 150.50 296.50 516.00 748.00 1036.43 1339.00 1572.00 1493.50 1212.50 897.00 459.00 170.00 9999.00
NO YRS 36 37 36 36 37 39 38 36 35 38 36 37 30