ALAMO DAM, ARIZONA

Monthly Total Growing Degree Days

(020100)

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
1975 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 900.50 j 1217.50 1050.00 a 648.50 257.00 87.00 3260.00
1976 106.00 196.50 282.00 462.00 899.00 1090.00 1328.00 1225.50 946.50 637.00 325.50 40.00 7538.00
1977 55.50 175.26 a 176.18 a 573.21 b 638.71 b 1145.50 1320.50 1290.00 1013.00 757.50 320.00 196.16 b 7661.52
1978 55.00 151.50 379.50 483.21 b 801.00 1148.50 1345.00 1241.50 1037.50 816.50 242.50 11.50 7713.21
1979 5.50 65.50 234.50 477.00 778.00 1085.00 1245.00 1121.00 1094.00 724.00 184.50 100.50 7114.50
1980 128.00 224.50 235.50 487.00 672.18 a 1037.50 1345.92 a 1275.00 1040.00 735.00 343.00 202.50 7726.10
1981 181.50 207.50 307.50 665.50 856.50 1249.50 1391.50 1346.50 1060.50 600.00 367.50 133.82 a 8367.82
1982 48.50 204.00 268.50 505.50 822.00 1013.50 1249.00 1251.50 954.00 576.00 240.00 40.00 7172.50
1983 81.00 152.50 266.00 371.50 816.00 1045.50 1314.00 1215.00 1102.00 669.50 312.00 104.00 7449.00
1984 104.50 130.50 387.50 511.00 1013.50 1068.50 954.00 i 1243.00 1080.50 579.00 250.00 44.00 6412.00
1985 22.00 119.50 267.00 614.50 890.50 1159.00 1354.00 1300.50 852.00 664.00 226.00 66.00 7535.00
1986 153.50 187.50 444.00 503.00 855.50 1176.00 1219.00 1316.00 838.00 585.50 291.00 44.50 7613.50
1987 38.00 161.50 230.00 673.50 871.00 1139.50 1214.50 1239.00 999.50 784.50 225.00 40.50 7616.50
1988 45.00 169.00 331.00 513.50 825.00 1131.50 1386.00 1192.50 943.00 849.00 289.50 79.00 7754.00
1989 44.00 150.00 449.00 751.00 869.50 1102.00 1368.50 1256.50 1047.50 703.50 327.50 45.50 8114.50
1990 36.50 96.50 377.50 604.00 794.00 1150.00 1192.50 1205.50 1034.50 714.50 308.50 28.50 7542.50
1991 25.00 275.50 181.50 470.50 734.50 974.00 1289.50 1265.50 1051.00 807.00 283.50 67.00 7424.50
1992 38.50 204.00 304.50 623.00 929.50 1076.50 1252.00 1262.00 1029.00 723.00 195.50 17.50 7655.00
1993 60.00 107.00 353.50 586.50 870.00 1062.00 1224.00 1249.50 1008.00 720.00 200.00 50.50 7491.00
1994 82.00 81.50 408.50 598.50 820.50 1216.00 1352.50 1368.00 1070.00 638.00 140.50 55.00 7831.00
1995 69.50 277.00 324.00 466.50 696.50 979.00 1287.50 1327.00 1140.00 698.00 410.00 122.50 7797.50
1996 87.50 273.00 402.00 644.00 898.00 1135.00 1389.50 1368.00 1029.50 711.00 343.50 116.00 8397.00
1997 107.00 166.00 481.00 544.50 1048.50 1049.50 1259.50 1305.00 1101.50 659.00 312.00 25.00 8058.50
1998 96.50 68.50 291.00 396.50 720.00 0.00 z 1374.50 1346.00 1047.00 651.00 291.50 111.50 6394.00
1999 110.50 166.50 357.50 410.50 807.00 1066.50 1271.00 1291.50 1084.00 798.00 404.00 92.00 7859.00
2000 168.00 212.00 329.00 711.00 1014.50 1204.00 1336.50 1306.00 1055.50 656.50 105.50 71.50 8170.00
2001 50.00 75.50 380.00 516.00 1036.00 1160.00 1285.50 1309.00 1081.50 758.00 373.50 37.50 8062.50
2002 54.50 127.00 293.00 630.00 822.50 1145.00 1385.50 1264.00 1054.00 629.50 363.00 75.00 7843.00
2003 201.00 166.00 322.50 465.00 884.00 1088.50 1399.00 1257.00 1083.00 877.50 211.00 79.00 8033.50
2004 61.00 82.00 585.50 614.00 914.00 1119.00 1319.50 1272.00 1010.00 617.00 194.50 69.00 7857.50
2005 104.50 152.50 283.00 491.50 882.00 1056.50 1361.50 1207.50 1020.00 702.00 319.50 55.50 7636.00
2006 75.50 167.00 254.00 558.00 989.50 1252.50 1438.50 1293.00 988.00 659.00 388.00 13.50 l 8063.00
2007 30.50 184.50 460.50 595.50 942.00 1109.50 1372.00 1353.00 1032.60 e 681.00 426.00 52.50 8239.60
2008 25.50 i 111.50 374.50 591.50 780.00 1159.50 1360.50 1105.50 f 1079.50 732.00 395.50 63.00 6647.50
2009 109.50 69.00 i 350.50 521.50 1036.50 486.50 o 1416.00 1295.50 1130.50 598.50 319.50 44.00 6822.00
2010 79.00 129.50 256.50 466.50 736.50 1091.00 1407.00 1223.00 1069.00 697.50 250.50 127.50 7533.50
2011 48.16 c 82.32 c 350.30 a 555.00 a 692.85 a 1042.50 d 1295.00 1361.33 b 1077.78 c 701.93 c 231.96 b 23.52 b 7462.65
2012 63.55 a 154.84 a 61.50 u 649.20 e 956.57 c 1200.52 a 1297.35 a 1345.50 1107.93 a 769.46 c 396.11 c 115.98 b 8057.02
2013 52.00 98.50 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 150.50
Period of Record Statistics
MEAN 77.79 155.51 332.74 548.67 854.43 1112.24 1323.54 1275.83 1037.94 698.13 291.17 73.90 7750.66
S.D. 45.33 56.70 86.75 88.33 106.81 68.94 63.91 56.00 64.86 74.79 78.69 44.61 316.04
SKEW 0.98 0.37 0.59 0.17 0.02 0.08 -0.29 -0.29 -1.35 0.40 -0.26 1.15 0.25
MAX 201.00 277.00 585.50 751.00 1048.50 1252.50 1438.50 1368.00 1140.00 877.50 426.00 202.50 8397.00
MIN 5.50 65.50 176.18 371.50 638.71 974.00 1192.50 1121.00 838.00 576.00 105.50 11.50 7114.50
NO YRS 37 37 36 37 37 35 36 37 38 38 38 37 31