YOUNGTOWN, ARIZONA

Monthly Total Growing Degree Days

(029634)

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
1964 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 739.00 203.79 a 91.00 1033.79
1965 154.00 156.00 232.00 461.50 693.00 830.00 1244.00 1185.00 875.50 715.50 367.00 144.15 a 7057.65
1966 50.00 74.50 359.50 549.50 880.00 1019.00 1246.50 1213.50 977.50 640.50 337.50 134.00 7482.00
1967 91.50 212.50 385.50 352.50 763.00 958.00 0.00 z 1237.50 1000.00 732.50 416.50 37.50 6187.00
1968 115.00 304.00 301.50 510.50 788.50 1026.00 1196.50 1091.00 940.50 645.00 261.00 39.50 7219.00
1969 170.50 113.50 230.00 529.00 865.50 950.50 1276.50 1305.50 1000.50 515.50 295.50 123.50 7376.00
1970 63.50 237.00 253.50 410.50 863.50 1076.00 1322.00 1257.50 883.00 517.50 273.00 64.00 7221.00
1971 141.50 153.50 409.00 515.00 702.50 1020.00 1316.00 1175.50 1001.00 594.17 d 266.00 82.15 a 7376.32
1972 55.00 244.43 a 597.50 597.50 852.50 1101.00 1309.50 1198.00 973.00 640.50 175.50 76.50 7820.93
1973 52.50 165.50 157.00 478.00 911.00 1109.00 1252.50 1213.00 924.50 667.50 245.50 123.48 a 7299.48
1974 97.00 142.50 415.50 573.00 851.50 1173.50 1246.00 1166.50 1041.50 720.00 287.50 42.50 7757.00
1975 96.00 120.50 279.50 346.00 750.50 1017.50 1280.50 1212.50 1039.00 629.50 304.00 125.50 7201.00
1976 161.50 271.50 331.00 496.50 889.50 1078.50 1269.50 1193.00 938.00 613.00 328.50 99.00 7669.50
1977 100.50 254.07 a 248.00 595.00 686.50 1112.50 1280.00 1247.00 994.00 758.50 357.00 180.00 7813.07
1978 111.50 168.50 418.50 482.00 789.00 1109.42 d 1277.00 1180.50 1015.00 821.00 297.50 63.00 7732.92
1979 39.00 127.00 311.50 523.50 839.50 1100.50 1268.00 1140.50 1130.00 747.50 263.50 149.00 7639.50
1980 177.00 267.50 289.50 538.00 726.50 1068.00 1346.00 1226.00 1026.50 733.00 338.50 260.50 7997.00
1981 217.50 252.50 350.00 681.00 869.00 1235.00 1331.50 1307.00 1058.50 638.00 383.00 169.50 8492.50
1982 95.00 250.00 303.00 564.00 835.00 1014.00 1216.50 1268.00 1022.50 634.50 275.00 80.00 7557.50
1983 134.00 163.50 302.00 417.00 836.50 1042.00 1291.00 1225.00 1120.00 727.50 337.00 130.00 7725.50
1984 177.00 197.50 437.50 539.50 1033.00 1079.50 1246.50 1203.00 1042.50 578.00 272.50 94.00 7900.50
1985 84.50 187.50 331.50 680.50 908.50 1162.00 1303.00 1260.00 865.00 692.00 251.50 129.00 7855.00
1986 263.50 253.50 509.00 624.00 893.00 1162.50 1223.00 1307.50 886.00 638.50 348.00 125.00 8233.50
1987 111.00 215.00 310.50 749.00 896.00 1154.00 1215.00 1236.00 1001.50 837.00 307.50 74.00 8106.50
1988 109.00 274.00 417.50 573.50 853.00 1140.00 1309.50 1225.50 969.50 875.50 324.00 165.50 8236.50
1989 129.50 264.00 525.00 791.00 929.00 1119.00 1366.00 1234.50 1063.00 733.50 410.50 119.50 8684.50
1990 143.50 171.00 451.50 706.00 864.50 1211.00 1315.50 1199.00 1053.00 775.50 385.50 121.00 8397.00
1991 118.50 363.50 251.00 557.00 826.00 1018.50 1316.00 1299.00 1075.50 835.00 337.50 188.00 8185.50
1992 143.50 298.50 379.00 705.50 952.00 1101.00 1274.00 1276.00 1085.50 791.50 250.00 91.50 8348.00
1993 204.00 197.00 422.50 628.50 983.00 1114.50 1256.50 1267.00 1055.00 753.00 278.00 144.00 8303.00
1994 137.50 181.50 460.50 641.00 863.00 1255.50 1364.00 1401.00 1118.50 679.50 245.50 157.00 8504.50
1995 138.00 362.50 435.50 538.00 781.50 1054.00 1350.00 1399.50 1189.00 798.50 488.50 199.00 8734.00
1996 179.00 356.00 449.50 698.50 994.00 1205.00 1407.00 1361.00 1022.50 755.50 427.50 189.00 9044.50
1997 191.00 207.50 580.00 615.00 1079.50 1070.50 1318.50 1351.50 1175.00 763.50 384.50 99.00 8835.50
1998 178.50 113.04 a 376.50 464.00 783.50 0.00 z 1385.00 1389.00 1125.00 715.50 346.50 181.00 7057.54
1999 191.50 265.50 454.50 509.50 902.50 1146.50 1304.14 b 1344.50 1137.00 884.50 504.00 160.00 8804.14
2000 253.00 322.00 432.00 751.50 1075.00 1224.50 1379.50 1348.00 1174.50 737.36 c 158.79 a 170.00 9026.15
2001 146.50 180.50 450.00 605.56 c 1075.50 1211.50 1342.50 1313.00 1164.00 814.50 466.00 89.00 8858.56
2002 134.50 256.50 379.50 714.00 900.50 1211.50 1381.50 1310.50 1110.00 688.00 429.00 108.00 8623.50
2003 305.50 208.00 390.50 532.00 928.50 1146.00 1408.00 1335.00 1143.50 916.00 301.50 157.00 8771.50
2004 39.00 v 147.00 644.50 662.00 979.00 1151.00 1333.50 1290.50 1081.00 700.50 279.50 149.00 8417.50
2005 198.50 231.00 385.50 613.50 959.00 1142.50 1396.50 1289.00 1112.00 790.50 426.50 159.00 8703.50
2006 185.50 259.50 326.00 0.00 z 1007.50 1274.50 1428.50 1291.00 1019.50 737.00 423.00 107.50 8059.50
2007 108.00 240.50 536.50 646.00 978.50 1178.00 1364.50 1370.50 1117.00 793.00 504.50 71.50 8908.50
2008 98.00 187.00 457.00 649.00 845.00 1219.00 1355.50 1320.50 1137.00 808.50 426.00 134.50 8637.00
2009 238.00 244.50 480.00 617.50 1076.00 1091.50 1443.00 1325.50 1152.00 694.00 443.00 103.50 8908.50
2010 177.00 220.50 362.50 574.50 820.50 1150.00 1399.00 1315.00 1165.00 789.50 313.00 247.50 8534.00
2011 137.95 a 134.50 484.50 683.00 820.98 a 1133.50 1352.50 1435.82 a 1155.00 a 817.22 b 338.00 74.00 8566.97
2012 206.00 242.36 a 428.00 695.89 b 1004.29 b 1221.00 1328.50 1375.00 1127.14 b 756.92 a 450.00 138.50 8973.60
2013 149.32 a 167.50 558.00 b 22.00 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 874.82
Period of Record Statistics
MEAN 145.00 216.89 393.47 582.66 883.44 1114.65 1315.66 1273.25 1051.70 726.12 337.41 125.72 8161.87
S.D. 57.68 66.81 103.46 102.61 101.61 87.95 60.57 75.59 87.42 88.35 83.11 49.16 594.81
SKEW 0.45 0.22 0.14 -0.23 0.15 -0.67 0.08 -0.01 -0.40 -0.28 0.16 0.45 -0.22
MAX 305.50 363.50 644.50 791.00 1079.50 1274.50 1443.00 1435.82 1189.00 916.00 504.50 260.50 9044.50
MIN 39.00 74.50 157.00 346.00 686.50 830.00 1196.50 1091.00 865.00 515.50 158.79 37.50 7057.65
NO YRS 48 49 49 47 48 47 47 48 48 49 49 49 44