WILLOW BEACH, ARIZONA

Monthly Total Growing Degree Days

(029376)

Base Temperature = 50 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 842.50 434.00 40.00 1316.50
1968 85.00 342.00 457.50 571.50 934.50 1230.00 1415.50 1267.00 1115.00 765.18 a 364.00 38.00 8585.18
1969 167.00 105.78 a 337.00 677.14 b 1023.50 1162.00 1438.50 1535.61 c 1192.50 655.00 365.17 a 159.28 b 8818.48
1970 124.00 d 269.00 384.83 b 501.00 990.50 1201.55 a 1450.00 1422.26 b 1043.33 c 683.03 a 362.78 c 69.23 a 8501.52
1971 135.00 202.00 417.50 620.17 a 790.50 a 1170.00 1482.00 1393.97 a 1029.50 609.31 b 210.00 39.00 8098.95
1972 20.00 229.00 588.47 b 592.22 c 928.00 1214.00 1495.00 1328.00 1017.00 601.50 177.00 38.50 8228.69
1973 18.50 117.50 206.50 551.00 1015.50 1237.50 1468.50 1370.00 1035.00 712.50 282.00 81.50 8096.00
1974 19.50 112.52 a 464.00 580.00 1026.50 1308.50 1408.00 1300.00 1144.82 b 786.00 300.00 24.50 8474.34
1975 54.50 127.00 295.00 448.00 894.35 a 1196.00 1448.14 c 1311.00 1102.50 661.50 243.00 80.50 7861.49
1976 113.84 b 238.00 331.00 538.50 997.50 1158.00 1433.50 1262.50 996.50 607.00 0.00 z 0.00 z 7676.34
1977 36.50 193.00 237.00 679.50 726.43 a 1245.00 1442.00 1382.00 1054.50 762.00 301.50 161.50 8220.93
1978 58.00 155.00 399.00 551.50 865.00 1233.00 1411.00 1301.00 957.50 791.50 200.50 4.50 7927.50
1979 2.00 72.50 288.50 571.50 916.50 1132.00 1302.50 1196.00 1173.00 809.00 221.00 89.50 7774.00
1980 94.50 224.00 293.00 586.00 777.50 1091.50 1384.50 1288.00 0.00 z 710.50 0.00 z 210.00 6659.50
1981 164.00 209.50 345.00 751.00 908.00 1265.50 1472.50 1389.00 1108.50 664.00 404.00 143.00 8824.00
1982 68.00 207.50 328.50 585.00 912.50 1118.00 1310.50 1330.00 1031.50 610.00 228.50 53.00 7783.00
1983 80.50 203.50 370.50 450.50 875.00 1106.00 1297.00 1183.50 1094.50 690.50 326.00 110.50 7788.00
1984 93.50 134.00 399.00 526.00 1045.50 1127.00 1317.50 1233.00 1112.00 587.00 268.50 38.00 7881.00
1985 23.50 139.00 306.00 697.00 965.00 1192.50 1347.50 1250.00 933.00 677.00 236.00 95.50 7862.00
1986 158.00 265.00 0.00 z 649.50 963.00 1248.50 1291.50 1428.00 912.50 670.50 386.50 109.00 8082.00
1987 57.00 224.00 335.32 a 730.50 936.50 1191.50 1263.50 1336.50 1093.00 842.50 300.00 59.50 8369.82
1988 49.50 210.50 415.00 569.50 889.00 1141.00 1446.00 1292.50 1018.00 921.50 366.50 130.50 8449.50
1989 67.50 212.50 517.00 827.00 679.50 i 1174.50 1411.00 1264.00 1054.50 722.00 397.00 129.00 7776.00
1990 63.50 136.50 468.00 698.00 897.00 1173.50 1383.00 1274.50 1102.50 760.00 351.00 49.00 8356.50
1991 62.00 295.50 227.50 548.50 786.00 1039.00 1332.50 1287.50 1055.00 838.00 320.50 79.50 7871.50
1992 46.50 243.50 359.50 678.50 963.00 1103.00 1270.50 1326.50 1106.00 794.00 245.50 30.00 8166.50
1993 66.00 132.00 414.00 621.00 947.00 1068.00 1262.00 1265.00 1053.50 761.00 230.00 83.00 7902.50
1994 119.50 99.00 498.50 674.50 886.50 1290.50 1403.50 1425.00 1131.50 680.50 176.50 112.50 8498.00
1995 86.50 332.50 356.50 565.00 784.50 1053.00 1382.00 1401.50 1198.00 798.00 508.00 187.50 8653.00
1996 163.00 338.00 496.50 742.00 1050.00 1258.00 1521.00 1487.50 1105.00 762.00 396.50 156.00 9475.50
1997 162.50 229.50 568.50 671.50 1173.50 1202.50 1357.00 1435.00 1134.00 741.00 388.00 67.50 9130.50
1998 154.50 136.00 379.50 503.00 820.50 1084.00 1425.50 1427.50 1097.50 705.00 323.50 136.50 8193.00
1999 168.00 226.50 514.00 507.50 915.50 1156.50 1359.50 1354.00 1121.50 852.50 443.00 135.00 8753.50
2000 0.00 z 276.00 430.00 796.00 1134.00 1325.00 1449.50 1424.00 1106.00 766.50 191.50 166.00 9064.50
2001 77.50 155.50 462.00 628.00 1145.00 1284.50 1415.00 1450.00 1199.00 851.50 443.00 53.50 9164.50
2002 87.50 199.00 362.50 780.50 953.00 1273.00 1506.50 1385.50 1160.00 712.00 383.50 126.50 8929.50
2003 264.00 115.50 k 306.50 h 238.00 r 1009.50 1270.00 1504.50 1395.50 948.00 f 959.00 275.50 125.50 6803.50
2004 68.00 g 143.00 631.00 516.00 g 1010.82 c 1262.50 1452.83 e 1057.50 g 1099.00 580.00 f 268.50 105.50 5973.15
2005 141.00 190.50 402.40 e 569.40 e 1030.15 e 1148.00 1475.50 947.50 i 0.00 z 0.00 z 0.00 z 0.00 z 4956.96
2006 0.00 z 113.50 m 187.00 k 0.00 z 0.00 z 0.00 z 1079.00 i 1073.00 g 681.00 j 710.50 282.00 h 0.00 z 710.50
2007 12.50 w 171.00 g 311.00 k 427.00 j 706.50 j 1202.00 1093.00 h 836.50 l 769.00 j 0.00 z 0.00 z 0.00 z 1202.00
Period of Record Statistics
MEAN 93.11 197.99 396.83 617.71 942.89 1188.12 1400.96 1344.52 1082.49 738.76 314.40 95.07 8354.63
S.D. 57.15 68.96 99.30 95.45 103.00 73.59 73.35 82.44 69.56 88.80 85.69 50.62 462.01
SKEW 0.72 0.32 0.30 0.33 0.09 -0.16 -0.39 0.12 -0.49 0.34 0.16 0.27 0.59
MAX 264.00 342.00 631.00 827.00 1173.50 1325.00 1521.00 1535.61 1199.00 959.00 508.00 210.00 9475.50
MIN 2.00 72.50 206.50 448.00 726.43 1039.00 1262.00 1183.50 912.50 587.00 176.50 4.50 7774.00
NO YRS 36 37 36 36 37 39 38 36 35 38 36 37 30