PHOENIX SKY HARBOR INTL AP, ARIZONA

Monthly Total Growing Degree Days

(026481)

Base Temperature = 50 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
1933 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1064.50 1347.50 1273.50 1071.50 788.50 328.00 118.50 5992.00
1934 83.00 243.00 557.00 681.50 953.00 941.00 1328.50 1205.00 980.00 718.00 291.00 144.00 8125.00
1935 123.50 176.50 177.50 492.00 653.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1622.50
1936 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
1937 0.00 z 96.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 311.50 166.00 574.00
1938 100.50 129.50 240.50 497.00 734.00 1001.50 1204.50 1184.50 1033.50 595.00 115.00 123.50 6959.00
1939 52.00 12.50 340.50 604.50 852.00 1039.50 0.00 z 1249.00 960.00 0.00 z 0.00 z 0.00 z 5110.00
1940 0.00 z 0.00 z 421.00 0.00 z 952.00 1173.00 1304.00 1274.00 1050.50 704.50 232.00 183.50 7294.50
1941 111.00 205.50 262.00 348.00 758.50 916.50 1197.00 1123.00 867.93 a 510.00 309.50 112.00 6720.93
1942 119.00 69.00 219.00 445.00 730.05 a 998.00 1298.00 1167.50 995.17 a 635.00 359.00 150.00 7184.72
1943 76.50 222.00 411.78 a 620.00 854.00 1006.50 1271.50 1160.50 1020.00 652.50 283.00 102.50 7680.78
1944 64.00 72.50 187.00 416.50 738.00 889.00 1197.00 1249.50 990.50 722.00 206.00 80.00 6812.00
1945 69.50 134.50 0.00 z 0.00 z 0.00 z 0.00 z 1271.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1475.50
1946 0.00 z 102.00 333.50 668.00 800.50 1085.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2989.50
1947 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 58.50 58.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1276.00 1281.50 1066.50 732.00 149.50 51.00 4556.50
1949 9.00 107.50 281.00 621.00 806.00 1057.50 1252.50 1165.50 1080.50 572.50 430.00 134.50 7517.50
1950 92.50 251.50 387.00 674.00 805.50 1045.00 1255.00 1247.50 964.00 875.00 425.00 231.50 8253.50
1951 108.00 180.50 341.50 532.50 826.00 988.50 1317.00 1153.50 996.00 677.00 260.50 110.00 7491.00
1952 86.00 140.00 181.00 525.00 917.00 1034.50 1234.50 1268.00 1073.50 828.00 231.00 70.50 7589.00
1953 150.00 115.00 358.00 498.50 648.50 1048.50 1265.00 1217.50 1021.50 670.50 364.00 48.50 7405.50
1954 89.00 310.00 263.50 646.00 873.50 1039.00 1280.50 1191.50 1086.50 772.00 437.00 171.00 8159.50
1955 31.50 103.00 361.50 499.00 794.50 1011.00 1136.50 1133.50 986.00 794.50 273.50 190.00 7314.50
1956 192.00 74.00 362.50 484.00 833.00 1104.50 1175.00 1107.00 1035.50 611.50 244.50 111.00 7334.50
1957 137.50 320.50 365.00 494.50 708.50 1110.50 1283.00 1178.00 994.00 637.00 193.50 154.00 7576.00
1958 106.00 224.00 221.50 499.50 969.50 1173.50 1350.00 1322.50 1096.50 824.50 357.00 192.00 8336.50
1959 132.50 121.00 419.00 703.00 814.00 1209.00 1362.50 1180.50 999.00 703.00 327.50 142.00 8113.00
1960 64.50 64.50 466.00 610.50 860.00 1199.00 1313.00 1230.50 1075.50 636.00 315.50 74.00 7909.00
1961 134.50 156.00 296.00 574.00 792.00 1156.00 1290.50 1195.00 916.00 609.00 217.00 92.00 7428.00
1962 113.50 170.00 190.50 669.50 726.00 993.00 1246.00 1293.50 1029.00 668.00 357.00 161.00 7617.00
1963 52.50 286.00 339.50 474.50 929.50 950.50 1302.50 1149.00 1051.00 812.00 356.00 83.50 7786.50
1964 32.00 32.50 218.50 454.00 732.50 976.00 1257.00 1120.50 926.50 772.00 197.50 69.50 6788.50
1965 109.00 114.00 199.50 403.00 675.50 868.50 1271.00 1208.50 874.00 737.50 362.50 121.00 6944.00
1966 29.50 48.00 367.50 592.50 932.00 1102.00 1333.50 1268.50 984.50 647.00 317.00 127.00 7749.00
1967 78.00 163.50 395.50 372.50 779.00 933.00 1288.50 1271.50 1043.50 726.00 415.50 31.00 7497.50
1968 100.00 279.50 306.50 500.00 825.00 1085.00 1247.00 1130.50 1007.00 702.50 277.50 65.50 7526.00
1969 172.00 104.50 224.50 554.50 876.50 1025.50 1336.00 1376.00 1080.50 602.00 363.50 176.50 7892.00
1970 109.00 285.50 293.00 441.00 916.50 1142.50 1395.00 1318.50 967.00 590.50 341.50 92.00 7892.00
1971 169.50 186.50 419.00 495.00 721.50 1057.00 1391.50 1228.00 1066.50 599.50 293.00 84.00 7711.00
1972 71.50 273.00 637.00 641.50 875.00 1133.00 1374.50 1235.50 1042.50 679.00 243.00 123.00 8328.50
1973 79.00 210.00 207.00 515.50 957.00 1141.50 1348.50 1343.50 1041.50 757.50 323.50 174.00 8098.50
1974 141.50 190.00 450.50 618.50 934.00 1265.00 1315.50 1277.50 1115.50 801.00 344.00 67.00 8520.00
1975 108.50 121.50 279.00 377.00 826.50 1096.50 1371.50 1297.50 1084.50 709.00 333.50 167.00 7772.00
1976 207.00 311.00 361.50 559.50 951.50 1136.00 1289.50 1261.00 988.50 743.00 429.00 174.00 8411.50
1977 147.00 327.00 334.00 705.50 796.00 1240.50 1393.00 1367.00 1125.50 890.00 474.00 305.50 9105.00
1978 210.50 243.50 481.50 576.00 882.00 1228.00 1383.00 1283.50 1087.50 885.50 344.50 101.50 8707.00
1979 58.50 164.50 323.00 601.50 868.50 1184.00 1358.50 1221.50 1206.50 843.00 259.50 183.50 8272.50
1980 204.00 305.00 331.00 595.00 804.50 1167.00 1415.00 1307.50 1119.00 792.00 423.00 349.00 8812.00
1981 283.50 319.50 426.00 779.00 944.00 1301.50 1401.00 1418.50 1175.00 733.00 483.00 267.50 9531.50
1982 141.50 283.50 383.00 674.00 941.00 1141.50 1353.00 1354.50 1101.00 728.50 354.50 148.00 8604.00
1983 197.00 234.50 378.00 498.50 947.00 1158.50 1409.50 1319.00 1228.00 843.00 378.00 222.00 8813.00
1984 230.50 292.00 547.00 619.50 1146.00 1167.50 1292.50 1278.00 1123.50 662.00 361.50 123.50 8843.50
1985 143.00 249.00 395.50 754.00 1060.00 1269.50 1393.00 1378.00 968.50 777.50 340.00 205.50 8933.50
1986 353.00 318.50 599.00 725.00 1000.00 1285.00 1309.50 1377.50 1023.00 765.00 450.50 201.00 9407.00
1987 183.00 283.00 414.50 836.50 1009.00 1289.50 1336.00 1308.00 1105.50 957.00 394.00 135.50 9251.50
1988 174.00 361.50 503.50 688.50 973.50 1293.50 1430.50 1360.50 1122.00 1005.00 435.00 216.00 9563.50
1989 159.50 347.00 622.00 901.00 1025.50 1262.50 1469.50 1353.00 1195.00 847.50 491.50 216.00 9890.00
1990 187.00 202.00 531.00 784.00 963.50 1314.00 1352.50 1263.50 1126.50 890.00 478.00 167.50 9259.50
1991 183.00 447.00 318.00 663.50 921.50 1134.00 1396.50 1378.00 1155.00 936.00 409.00 232.50 9174.00
1992 197.50 352.00 455.50 809.00 1027.00 1203.50 1326.00 1310.00 1214.50 923.50 344.00 134.50 9297.00
1993 254.50 229.00 484.50 713.00 1044.00 1187.50 1328.50 1288.00 1138.00 827.00 341.00 197.50 9032.50
1994 209.50 226.50 462.50 653.00 877.50 1263.50 1359.50 1402.00 1106.00 715.50 250.00 166.00 8691.50
1995 144.00 368.00 443.00 551.50 814.00 1085.00 1379.00 1383.00 1175.50 812.00 499.00 218.50 8872.50
1996 188.50 361.00 467.00 721.00 1022.50 1257.50 1401.50 1366.00 1026.50 770.50 436.50 209.00 9227.50
1997 196.50 217.50 602.50 626.50 1124.00 1132.00 1358.00 1330.00 1200.50 764.50 422.00 121.50 9095.50
1998 206.50 116.00 371.00 500.00 813.50 1060.00 1380.50 1384.50 1134.50 746.50 380.50 171.00 8264.50
1999 210.50 290.00 463.00 477.50 923.50 1164.50 1278.50 1333.00 1120.50 907.50 540.50 163.00 8872.00
2000 254.00 314.50 410.00 756.50 1080.00 1230.00 1396.00 1315.50 1207.00 697.50 206.00 225.50 9092.50
2001 146.50 195.00 483.50 650.00 1143.50 1259.50 1377.00 1384.50 1265.50 910.00 551.00 134.50 9500.50
2002 192.00 316.50 471.50 798.50 982.00 1301.00 1426.00 1397.00 1193.50 778.50 506.00 178.50 9541.00
2003 370.50 262.50 456.50 607.00 1033.00 1252.00 1476.50 1382.50 1222.00 1014.50 356.50 225.50 9659.00
2004 240.00 170.50 690.00 681.00 1034.50 1235.50 1378.50 1323.50 1143.00 779.00 333.50 192.50 9201.50
2005 243.50 258.50 431.00 667.00 1014.00 1212.50 1464.00 1308.50 1187.50 875.50 488.00 215.00 9365.00
2006 239.50 330.50 384.50 680.50 1075.00 1338.50 1442.50 1318.50 1068.50 808.00 518.00 154.00 9358.00
2007 137.00 276.50 580.00 710.00 1073.00 1282.00 1420.50 1432.00 1210.50 874.50 601.00 120.00 9717.00
2008 153.00 241.50 516.00 720.00 884.00 1294.50 1391.50 1331.00 1195.50 863.50 514.00 192.00 9296.50
2009 269.50 299.50 541.00 642.00 1120.50 1161.00 1496.50 1401.00 1200.00 757.00 523.00 126.00 9537.00
2010 230.50 255.50 395.00 618.00 875.50 1237.00 1448.50 1364.50 1245.00 859.00 394.00 311.50 9234.00
2011 194.50 178.00 552.50 728.00 891.50 1223.00 1401.50 1496.00 1241.00 893.00 404.00 108.50 9311.50
2012 269.50 299.00 492.00 753.00 1070.00 1312.50 1360.50 1405.00 1159.50 893.32 a 557.00 214.50 9785.82
2013 169.98 a 207.50 605.50 24.00 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 982.98
Period of Record Statistics
MEAN 152.39 217.76 395.83 606.40 899.13 1139.53 1337.32 1285.97 1083.49 764.93 362.92 154.40 8436.62
S.D. 74.25 94.09 122.03 119.27 122.21 116.85 74.40 87.70 92.60 108.19 103.25 63.03 875.31
SKEW 0.47 -0.13 0.14 -0.03 0.04 -0.32 -0.27 -0.17 -0.07 0.05 0.02 0.51 -0.21
MAX 370.50 447.00 690.00 901.00 1146.00 1338.50 1496.50 1496.00 1265.50 1014.50 601.00 349.00 9890.00
MIN 9.00 12.50 177.50 348.00 648.50 868.50 1136.50 1107.00 867.93 510.00 115.00 31.00 6720.93
NO YRS 74 76 75 73 74 74 74 74 74 73 74 75 70