PHOENIX CITY, ARIZONA

Monthly Total Growing Degree Days

(026486)

Base Temperature = 50 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 1274.50 1282.00 1084.00 763.50 209.00 86.00 4699.00
1949 12.50 127.50 324.50 653.50 828.50 1090.00 1271.50 1198.00 1110.50 620.50 484.00 159.50 7880.50
1950 109.50 281.00 411.00 685.50 802.00 1049.00 1221.50 1236.00 956.00 884.00 456.50 275.50 8367.50
1951 129.50 199.50 362.00 543.50 851.50 1019.00 1322.00 1173.00 1044.50 722.00 304.50 118.50 7789.50
1952 97.00 160.00 190.50 536.00 951.00 1067.50 1240.00 1273.00 1106.50 884.50 250.00 99.00 7855.00
1953 206.50 163.00 410.50 536.50 676.00 1091.50 1285.50 1253.00 1079.00 728.50 419.50 90.00 7939.50
1954 136.50 363.00 320.50 718.00 922.50 1051.50 1284.50 1189.50 1098.00 786.00 458.00 174.50 8502.50
1955 38.50 125.50 373.00 513.50 801.50 1037.50 1163.00 1159.50 1052.00 852.50 319.50 237.00 7673.00
1956 244.00 103.50 430.50 530.50 921.00 1180.50 1262.00 1182.50 1126.00 693.00 302.00 154.45 c 8129.95
1957 151.50 341.50 387.50 518.00 746.50 1156.00 1325.50 1203.00 1026.50 634.00 200.00 173.50 7863.50
1958 124.00 244.00 249.00 543.50 1029.50 1149.50 1336.00 1278.00 1009.62 d 835.40 b 397.50 288.09 b 8484.10
1959 212.72 b 160.22 a 435.00 732.50 821.50 1221.50 1382.17 b 1206.00 1038.62 a 766.73 a 378.50 179.80 a 8535.27
1960 92.00 89.50 487.00 654.44 c 856.00 1221.43 b 1345.50 1271.00 1116.00 681.48 a 384.00 151.00 8349.36
1961 213.00 257.00 377.50 623.00 853.00 1232.22 c 1324.00 1227.00 956.50 697.50 252.50 130.20 a 8143.42
1962 124.50 216.00 235.00 722.50 782.00 1051.00 1299.00 1332.00 1077.93 a 761.50 450.00 228.00 8279.43
1963 100.50 334.50 370.50 488.00 950.15 a 987.50 1343.50 1186.00 1115.50 838.50 393.00 153.00 8260.65
1964 67.50 91.00 269.00 522.50 817.50 1045.50 1323.18 a 1175.50 983.50 853.00 256.50 141.50 7546.18
1965 171.00 174.00 282.10 a 500.50 752.50 925.00 1284.00 1256.50 957.50 815.00 433.00 167.50 7718.60
1966 63.50 95.50 429.00 646.50 976.00 1125.50 1320.00 1290.00 1050.00 719.50 409.50 196.50 8321.50
1967 133.00 241.50 425.50 401.50 803.00 996.00 1296.00 1282.00 1064.00 812.00 489.50 66.00 8010.00
1968 145.00 335.50 383.50 375.50 i 870.21 c 1114.14 a 1256.57 b 529.00 q 0.00 z 0.00 z 0.00 z 0.00 z 4104.92
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 611.00 l 703.00 262.00 142.50 1107.50
1973 108.50 235.50 242.00 572.00 1024.11 c 1166.50 1347.00 1331.97 a 1062.00 803.00 356.50 196.50 8445.57
1974 152.50 197.50 478.50 632.68 b 942.00 1269.00 1302.50 1261.38 b 1108.00 819.00 380.89 b 95.00 8638.95
1975 155.50 202.74 a 358.50 443.50 839.00 1102.00 1345.00 1319.64 b 1117.24 a 756.00 394.00 195.50 8228.62
1976 235.00 347.00 402.00 590.00 964.00 1166.00 1329.50 1300.50 1034.50 725.50 451.00 204.50 8749.50
1977 179.50 336.50 369.00 716.00 826.50 1261.50 1402.50 1358.00 1131.50 916.50 489.00 324.00 9310.50
1978 211.00 256.00 520.50 603.50 922.00 1256.50 1386.50 1293.22 a 1102.50 928.97 a 372.00 124.00 8976.68
1979 74.50 219.50 381.00 645.00 904.50 1194.50 1368.50 1238.50 1226.00 870.50 331.50 257.50 8711.50
1980 258.50 356.50 383.50 637.50 828.00 1208.50 1429.50 1320.00 1146.00 832.00 460.50 388.50 9249.00
1981 329.00 345.50 437.00 788.00 958.33 b 1292.50 1395.50 1396.50 1158.62 a 746.50 491.50 292.50 9631.45
1982 171.00 299.50 396.50 670.00 914.50 1112.00 1322.50 1339.00 1113.50 0.00 z 105.00 t 162.00 7500.50
1983 216.50 250.00 394.50 514.14 a 953.00 1143.50 1394.00 1276.00 1188.00 817.50 411.50 229.00 8787.64
1984 224.00 283.50 556.00 642.50 1096.50 1169.00 1290.50 1275.50 1142.50 663.00 376.50 150.00 8869.50
1985 148.00 257.50 0.00 z 790.50 1044.50 1255.00 1386.00 1362.00 981.50 801.50 354.00 226.00 8606.50
1986 378.00 337.50 608.50 737.00 1013.00 1264.50 1293.00 1379.00 1001.50 764.00 456.00 234.00 9466.00
1987 213.50 290.50 406.50 815.00 965.00 1249.50 1324.50 1278.50 1093.00 943.50 399.50 146.50 9125.50
1988 187.00 356.50 498.00 681.50 960.00 1252.00 1384.50 1323.50 1094.00 978.50 422.00 213.50 9351.00
1989 176.00 338.00 623.50 888.50 1011.50 1207.50 1411.50 1308.50 1157.50 824.50 481.00 209.50 9637.50
1990 195.00 216.50 534.00 761.50 939.50 1281.00 1333.00 1237.50 1110.50 873.50 472.00 165.00 9119.00
1991 185.00 437.00 311.00 644.00 901.50 1102.50 1342.50 1354.50 1136.00 923.00 415.00 238.50 8990.50
1992 190.00 343.50 435.00 799.00 1004.50 1173.50 1317.50 1295.50 1173.50 902.50 338.00 125.50 9098.00
1993 257.00 259.50 494.50 713.50 1034.50 1192.50 1321.50 1299.00 1134.50 826.00 359.00 201.00 9092.50
1994 229.00 221.50 533.50 720.00 930.00 1307.50 1388.50 1428.00 1156.50 759.00 279.50 210.50 9163.50
1995 160.00 0.00 z 0.00 z 587.50 584.00 i 1102.50 1379.00 0.00 z 0.00 z 872.50 570.00 255.00 4926.50
1996 245.00 398.50 484.00 743.50 1058.00 1272.00 1427.00 1386.00 0.00 z 0.00 z 462.00 223.00 7699.00
1997 206.00 246.00 622.50 614.00 1126.00 1162.00 1348.00 1358.00 1198.00 766.50 435.50 120.50 9203.00
1998 220.50 131.00 375.50 519.50 854.00 0.00 z 0.00 z 1390.50 1130.00 763.00 0.00 z 0.00 z 5384.00
Period of Record Statistics
MEAN 171.25 250.37 409.06 634.22 911.70 1155.01 1328.91 1283.65 1089.75 798.41 388.16 186.95 8587.37
S.D. 71.34 89.73 100.88 108.43 98.94 93.38 55.21 67.46 65.89 84.10 83.73 66.34 585.37
SKEW 0.26 -0.11 0.15 0.09 -0.05 -0.35 -0.45 0.03 -0.37 -0.02 -0.43 0.62 0.03
MAX 378.00 437.00 623.50 888.50 1126.00 1307.50 1429.50 1428.00 1226.00 978.50 570.00 388.50 9637.50
MIN 12.50 89.50 190.50 401.50 676.00 925.00 1163.00 1159.50 956.00 620.50 200.00 66.00 7546.18
NO YRS 46 45 44 45 45 45 46 45 44 45 45 46 40