DOUGLAS FAA AP, ARIZONA

Monthly Total Growing Degree Days

(022664)

Base Temperature = 40 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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 1277.20 a 1176.50 1049.00 743.50 214.50 196.85 a 4657.55
1949 106.00 172.00 397.50 610.00 853.50 1066.00 1159.50 1150.00 1057.50 634.00 476.38 a 182.00 7864.38
1950 200.00 296.00 476.00 699.00 827.50 1110.00 1142.00 1127.50 937.00 901.50 451.00 292.50 8460.00
1951 143.50 229.50 370.50 543.50 859.00 1034.00 1258.00 1173.50 1054.50 798.50 352.00 226.50 8043.00
1952 258.50 191.50 259.50 579.00 918.50 1121.50 1237.00 1206.50 1072.00 829.50 279.50 117.50 8070.50
1953 252.50 177.00 463.50 605.00 750.50 1157.00 1210.50 1185.00 1032.50 748.00 429.50 77.50 8088.50
1954 217.50 337.50 436.00 737.00 907.50 1100.00 1247.50 1101.00 1074.00 822.00 456.00 242.00 8678.00
1955 87.00 155.50 422.00 583.00 801.00 1065.50 1154.50 1115.50 977.00 801.00 363.00 258.50 7783.50
1956 271.00 162.50 444.50 550.50 950.00 1213.50 1188.00 1123.50 1073.50 735.50 284.00 132.50 8129.00
1957 284.00 442.00 405.00 604.50 781.50 1170.00 1263.00 1136.50 961.00 653.50 240.50 204.00 8145.50
1958 118.50 242.00 280.00 579.00 961.50 1153.00 1191.00 1149.00 960.50 693.50 351.50 241.00 7920.50
1959 235.00 221.50 393.50 700.50 874.00 1188.00 1231.50 1125.50 1004.00 718.50 338.00 184.00 8214.00
1960 119.50 119.50 499.50 612.00 848.50 1166.00 1229.00 1178.50 1028.50 677.00 394.50 124.00 7996.50
1961 170.00 219.50 397.50 649.50 891.50 1142.00 1202.00 1166.00 963.50 704.00 282.00 195.50 7983.00
1962 167.00 296.50 259.50 705.00 844.50 1032.00 1164.50 1244.00 1030.00 793.50 466.50 236.50 8239.50
1963 165.50 308.00 420.00 601.50 940.50 1067.50 1241.00 1121.00 1043.00 780.00 345.50 151.50 8185.00
1964 94.00 65.50 307.50 546.50 861.50 1089.00 1210.00 1110.50 932.00 729.50 313.00 195.00 7454.00
1965 232.50 180.00 337.50 621.00 801.00 963.50 1183.50 1142.00 924.50 713.50 475.00 188.50 7762.50
1966 56.50 79.00 408.00 603.00 920.00 1080.00 1228.50 1099.00 930.00 661.50 414.50 157.00 7637.00
1967 171.00 260.50 519.50 584.50 813.50 1036.00 1186.00 1104.50 960.00 732.50 430.50 124.00 7922.50
1968 162.50 343.00 377.50 501.00 811.50 1110.50 1143.50 1039.00 957.50 728.00 329.00 123.50 7626.50
1969 248.50 189.50 270.50 635.00 851.00 1074.00 1229.00 1215.50 1011.50 696.00 346.00 232.50 7999.00
1970 155.00 267.50 337.00 494.50 900.00 1121.50 1239.50 1152.00 938.50 600.50 392.00 239.50 7837.50
1971 253.50 185.00 472.00 552.50 792.50 1072.00 1241.00 1094.50 978.50 606.00 361.50 151.50 7760.50
1972 175.00 262.00 575.50 618.50 817.50 1069.50 1241.50 1121.50 964.50 708.00 248.00 167.00 7968.50
1973 102.00 205.50 253.50 459.00 847.00 1079.50 1188.00 1169.50 1021.50 744.50 391.50 191.00 7652.50
1974 184.50 168.50 495.00 599.00 897.00 1212.50 1138.50 1116.50 952.00 716.00 347.50 97.00 7924.00
1975 173.50 195.00 372.50 460.50 778.50 1074.00 1169.00 1205.50 945.00 704.00 367.00 189.00 7633.50
1976 155.00 347.50 407.50 581.50 853.00 1100.50 1133.00 1154.00 936.00 568.00 343.00 142.00 7721.00
1977 151.00 271.50 302.50 624.00 839.50 1112.50 1200.00 1195.00 1028.50 767.00 403.00 310.00 8204.50
1978 225.00 208.50 493.00 603.00 837.00 1148.50 1268.00 1142.00 990.50 764.00 379.00 147.50 8206.00
1979 121.00 230.00 373.00 606.50 796.00 1085.00 1231.00 1082.50 1037.00 792.00 280.50 196.50 7831.00
1980 232.50 315.00 357.50 561.50 800.50 1183.00 1294.00 1155.00 1026.00 675.00 360.00 307.00 8267.00
1981 234.50 311.00 379.00 692.00 887.00 1197.50 1208.50 1201.50 753.00 h 530.00 i 328.00 i 200.50 h 6111.00
1982 212.00 299.00 452.00 684.00 828.00 1074.00 1202.50 1197.00 1042.50 706.50 378.00 147.50 8223.00
1983 165.50 243.00 360.00 432.50 814.50 1011.50 1218.50 1159.50 1053.50 713.00 329.50 216.00 7717.00
1984 170.00 187.50 439.50 553.00 1007.00 1074.00 1165.00 1086.00 989.50 633.00 356.00 245.00 7905.50
1985 142.00 216.50 448.00 628.00 873.00 1109.50 1217.50 1155.50 906.50 705.50 378.50 214.50 7995.00
1986 288.00 317.00 508.50 703.50 895.50 1075.50 1110.50 1159.00 916.00 669.00 360.50 162.00 8165.00
1987 153.00 194.00 321.00 628.50 813.50 1099.50 1220.00 1114.00 931.00 857.00 353.00 187.50 7872.00
1988 185.00 281.50 387.50 565.50 875.00 1128.00 1209.50 1142.00 928.00 811.50 395.00 167.50 8076.00
1989 165.50 356.00 575.00 789.00 947.00 1159.00 1283.50 1165.50 1054.00 725.50 435.50 201.50 8857.00
1990 156.50 192.50 461.50 687.50 884.00 1254.50 1164.50 1054.50 997.50 724.50 419.00 187.50 8184.00
1991 158.00 314.50 347.50 601.50 866.50 1013.50 1202.00 1185.00 967.50 775.00 350.00 199.00 7980.00
1992 107.00 272.50 421.50 689.50 875.00 1083.50 1202.00 1146.00 1046.50 805.00 262.50 224.50 8135.50
1993 278.50 251.50 453.50 648.50 937.50 1141.00 1191.50 1173.50 986.50 708.00 356.00 216.00 8342.00
1994 192.00 228.00 481.50 659.00 910.50 1251.00 1286.50 1251.00 1032.00 699.00 347.00 219.00 8556.50
1995 204.50 377.00 477.50 549.50 805.50 1065.50 1247.50 1246.00 1045.00 807.00 494.00 241.50 8560.50
1996 247.00 411.50 450.50 678.00 1032.50 1210.50 1260.00 1177.50 962.00 733.50 428.50 267.50 8859.00
1997 229.00 237.50 557.50 587.50 1019.00 1120.50 1248.50 1207.50 1145.50 716.50 421.00 107.00 8597.00
1998 212.00 162.50 402.00 515.00 866.50 1087.50 1242.50 1241.50 1135.50 822.50 444.00 231.50 8363.00
1999 267.50 332.50 494.00 569.50 929.00 1103.00 1157.50 1163.00 1056.50 755.00 509.50 149.00 8486.00
2000 298.00 353.50 437.50 758.50 1064.50 1151.00 1262.50 1184.50 1095.00 784.50 286.00 148.00 g 8675.50
2001 96.50 205.00 391.00 616.00 966.50 1161.00 1189.50 1180.00 1058.50 794.00 461.00 117.50 8236.50
2002 193.00 257.00 433.00 773.50 926.00 1253.00 1258.00 1198.50 1061.50 680.00 405.00 136.50 8575.00
2003 293.50 270.00 414.50 621.00 968.50 1158.50 1338.00 1256.50 1093.50 878.50 418.50 191.50 8902.50
2004 224.00 171.00 605.50 598.50 966.50 1146.50 1244.00 1161.00 987.00 749.50 294.00 208.50 8356.00
2005 259.50 293.00 413.50 597.50 951.00 1146.00 1330.50 1154.00 1065.00 755.50 420.50 230.00 8616.00
2006 208.50 304.00 417.50 705.00 991.00 1225.50 1278.50 1118.50 896.50 665.00 430.50 105.50 8346.00
2007 93.50 222.00 486.00 643.50 954.00 1179.00 1258.00 1194.50 1056.50 777.50 524.50 181.50 8570.50
2008 172.50 296.00 438.50 645.00 880.00 1223.00 1230.00 1180.00 1043.50 794.00 448.00 265.00 8615.50
2009 276.50 317.00 518.50 641.00 1008.50 1103.50 1347.00 1279.00 1051.50 746.00 459.00 167.50 8915.00
2010 176.50 230.00 401.00 592.00 868.50 1185.00 1283.50 1232.00 1083.50 779.50 313.00 277.00 8421.50
2011 137.00 199.00 555.00 722.50 855.50 1207.50 1275.00 1311.50 1146.50 881.00 453.50 215.50 8959.50
2012 344.00 351.00 435.50 735.00 984.50 1229.00 1227.00 1250.00 998.00 792.00 507.50 203.00 9056.50
2013 151.00 137.00 533.50 21.50 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 821.50
Period of Record Statistics
MEAN 190.46 248.23 422.80 617.52 885.59 1125.39 1222.76 1164.67 1010.67 740.37 380.37 192.12 8187.95
S.D. 61.78 76.01 79.90 74.43 70.30 64.57 49.75 52.89 60.21 67.56 70.56 52.25 378.61
SKEW 0.14 0.09 -0.09 -0.01 0.43 0.09 0.14 0.27 0.11 -0.03 -0.14 0.05 0.40
MAX 344.00 442.00 605.50 789.00 1064.50 1254.50 1347.00 1311.50 1146.50 901.50 524.50 310.00 9056.50
MIN 56.50 65.50 253.50 432.50 750.50 963.50 1110.50 1039.00 896.50 568.00 214.50 77.50 7454.00
NO YRS 65 65 65 64 64 64 65 65 64 64 64 63 62