TUCSON 17 NW, ARIZONA

Monthly Total Growing Degree Days

(028795)

Base Temperature = 50 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1982 0.00 z 0.00 z 0.00 z 0.00 z 764.15 a 989.50 1146.50 1132.50 958.00 610.50 289.14 a 119.50 6009.79
1983 170.50 132.46 b 275.79 b 380.69 a 789.98 a 963.75 b 1172.50 1040.00 1008.10 a 634.43 b 309.11 b 178.54 d 7055.86
1984 108.50 v 106.50 h 343.07 a 452.07 a 875.48 b 972.93 a 1051.79 c 574.00 n 979.66 a 523.50 275.36 b 80.50 f 5473.85
1985 36.50 g 168.54 b 399.68 c 616.50 805.00 1088.50 1186.00 1158.00 831.72 a 622.77 c 274.00 142.17 b 7292.88
1986 302.00 232.00 471.95 b 609.50 885.00 1126.50 1102.00 1118.50 865.50 607.48 e 331.50 120.00 7771.93
1987 160.00 183.00 260.00 662.00 774.50 1077.00 1170.00 1112.50 925.00 805.50 312.00 125.50 7567.00
1988 127.10 a 263.00 370.00 499.50 798.77 a 1086.50 1198.00 1134.50 941.00 803.50 328.50 171.00 7721.37
1989 96.00 273.50 498.00 767.00 871.00 1116.00 1247.00 1119.00 1029.00 668.50 384.50 141.00 8210.50
1990 111.00 139.50 383.00 584.00 813.50 1159.14 a 1099.50 1000.50 985.50 730.50 401.00 144.00 7551.14
1991 79.50 293.00 190.00 469.50 771.50 935.00 1169.50 1161.50 945.50 786.50 279.50 160.50 7241.50
1992 95.50 205.50 279.00 609.00 848.50 1049.00 1142.00 1087.00 990.50 768.00 227.00 85.00 7386.00
1993 151.00 120.50 343.00 587.00 896.50 1063.50 1173.00 1114.00 915.00 0.00 z 152.00 j 135.50 6499.00
1994 155.50 126.00 352.50 557.50 761.00 1169.50 1236.50 1200.00 983.50 626.00 155.50 j 0.00 z 7168.00
1995 105.00 290.50 359.00 450.50 692.50 976.50 1224.50 1199.00 1051.50 482.00 j 413.00 157.50 o 6762.00
1996 217.00 312.04 d 285.50 i 398.00 l 960.00 1156.50 1209.50 1136.50 844.00 203.50 t 250.50 l 169.50 6005.04
1997 131.00 172.00 476.50 527.00 946.50 1035.00 1224.50 1154.00 1056.00 662.50 350.50 63.00 7798.50
1998 136.50 84.00 278.48 a 369.00 739.00 999.00 626.50 n 1156.82 a 1027.00 521.00 i 359.50 185.50 5334.80
1999 154.50 i 130.00 h 299.50 g 387.86 b 801.00 1042.76 a 1110.66 b 1104.00 988.00 807.50 497.59 a 118.32 a 6857.67
2000 234.57 a 251.52 c 313.50 629.00 0.00 z 1071.43 b 1222.00 1114.00 1048.50 603.98 a 111.11 c 150.87 a 6750.48
2001 96.21 b 115.50 333.00 515.50 943.95 a 1093.45 a 1156.50 1111.35 a 1078.50 748.00 440.69 a 94.55 a 7727.19
2002 148.50 205.50 312.50 673.50 836.00 1160.00 1191.00 1176.50 1021.50 616.50 390.00 101.50 7833.00
2003 273.50 173.00 294.00 488.00 874.00 1088.00 1262.50 1157.00 1015.50 815.00 286.50 188.00 7915.00
2004 143.50 76.00 540.50 527.50 893.00 1061.00 1192.00 1106.00 946.50 612.50 228.50 142.00 7469.00
2005 173.50 149.50 281.67 b 541.50 849.00 0.00 z 1270.00 1024.00 1010.50 721.00 0.00 z 180.00 6200.67
2006 189.50 242.00 290.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 121.00 842.50
2007 83.70 a 204.50 424.59 c 558.00 878.00 1072.00 1194.50 1077.00 988.00 732.00 469.66 a 91.50 7773.44
2008 98.50 140.00 0.00 z 539.40 e 692.00 1130.00 1078.11 d 1107.50 983.50 718.00 420.00 127.00 7034.01
2009 210.00 210.00 449.50 e 493.00 655.50 i 789.50 f 973.00 f 1149.98 e 705.00 i 521.50 f 0.00 z 0.00 z 2512.48
2010 138.39 c 0.00 z 229.50 356.00 f 714.00 1069.00 1251.00 1139.50 1016.50 697.00 291.50 249.50 6795.89
2011 86.59 b 141.83 e 429.19 b 322.50 m 509.00 i 822.00 h 1187.19 d 1239.40 e 816.50 f 515.00 i 309.31 a 52.81 d 3446.32
2012 173.37 d 172.79 e 218.50 h 458.00 g 845.30 c 0.00 z 497.00 n 978.05 a 967.50 b 693.50 372.50 80.00 4283.02
2013 94.00 71.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 165.50
Period of Record Statistics
MEAN 149.34 183.90 353.00 539.76 826.63 1067.36 1180.31 1120.99 978.61 692.28 334.08 134.73 7644.39
S.D. 57.59 67.41 87.87 95.38 74.20 64.94 56.41 57.58 61.31 81.32 84.87 43.50 293.48
SKEW 0.97 0.20 0.35 0.17 -0.08 -0.29 -0.49 -0.60 -0.81 -0.05 -0.31 0.32 -0.25
MAX 302.00 312.04 540.50 767.00 960.00 1169.50 1270.00 1239.40 1078.50 815.00 497.59 249.50 8210.50
MIN 79.50 71.50 190.00 369.00 692.00 935.00 1051.79 978.05 831.72 523.50 111.11 52.81 7055.86
NO YRS 28 28 26 25 27 26 27 29 28 24 25 27 14