ALAMO DAM, ARIZONA

Monthly Total Growing Degree Days

(020100)

Base Temperature = 40 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 1110.50 j 1527.50 1350.00 a 958.50 541.00 355.00 4732.00
1976 349.00 486.50 580.50 760.50 1209.00 1390.00 1638.00 1535.50 1246.50 947.00 607.00 294.00 9999.00
1977 276.50 444.89 a 476.88 a 873.21 b 948.71 b 1445.50 1630.50 1600.00 1313.00 1067.50 619.00 504.55 b 9999.00
1978 342.00 416.00 686.00 783.21 b 1111.00 1448.50 1655.00 1551.50 1337.50 1126.50 534.50 215.00 9999.00
1979 167.50 311.00 532.50 777.00 1088.00 1385.00 1555.00 1431.00 1394.00 1034.00 469.50 392.50 9999.00
1980 433.00 514.50 545.50 787.00 982.18 a 1337.50 1655.92 a 1585.00 1340.00 1045.00 643.00 512.00 9999.00
1981 487.50 486.00 614.50 965.50 1166.50 1549.50 1701.50 1656.50 1360.50 910.00 665.50 428.83 a 9999.00
1982 300.00 473.00 578.00 805.50 1132.00 1313.50 1559.00 1561.50 1254.00 886.00 540.00 311.00 9999.00
1983 331.00 415.50 576.00 671.50 1126.00 1345.50 1624.00 1525.00 1402.00 979.50 592.00 397.50 9999.00
1984 378.50 417.50 697.50 811.00 1323.50 1368.50 1174.00 i 1553.00 1380.50 889.00 536.00 304.50 9659.50
1985 294.00 322.50 570.50 914.50 1200.50 1459.00 1664.00 1610.50 1152.00 974.00 505.50 328.50 9999.00
1986 461.50 424.00 754.00 803.00 1165.50 1476.00 1529.00 1626.00 1138.00 895.50 591.00 305.50 9999.00
1987 240.50 420.50 540.00 973.50 1181.00 1439.50 1524.50 1549.00 1299.50 1094.50 523.00 241.00 9999.00
1988 272.00 457.00 638.00 813.50 1135.00 1431.50 1696.00 1502.50 1243.00 1159.00 576.00 308.50 9999.00
1989 253.00 387.00 756.00 1051.00 1179.50 1402.00 1678.50 1566.50 1347.50 1013.50 627.50 306.50 9999.00
1990 277.00 300.00 680.00 904.00 1104.00 1450.00 1502.50 1515.50 1334.50 1024.50 598.00 214.00 9999.00
1991 268.50 553.50 485.00 770.50 1044.50 1274.00 1599.50 1575.50 1351.00 1117.00 577.00 340.00 9999.00
1992 288.50 494.00 614.50 923.00 1239.50 1376.50 1562.00 1572.00 1329.00 1033.00 486.50 215.00 9999.00
1993 335.00 384.50 660.00 886.50 1180.00 1362.00 1534.00 1559.50 1308.00 1030.00 489.00 315.50 9999.00
1994 353.00 343.50 718.50 898.50 1130.50 1516.00 1662.50 1678.00 1370.00 948.00 414.00 335.50 9999.00
1995 360.50 557.00 634.00 766.50 1006.50 1279.00 1597.50 1637.00 1440.00 1008.00 710.00 392.50 9999.00
1996 375.00 549.50 712.00 944.00 1208.00 1435.00 1699.50 1678.00 1329.50 1021.00 643.00 393.00 9999.00
1997 395.50 441.50 789.50 844.50 1358.50 1349.50 1569.50 1615.00 1401.50 969.00 612.00 272.00 9999.00
1998 379.50 330.50 598.50 696.50 1030.00 0.00 z 1684.50 1656.00 1347.00 961.00 591.50 351.50 9626.50
1999 415.50 444.00 667.50 708.00 1117.00 1366.50 1581.00 1601.50 1384.00 1108.00 702.50 392.50 9999.00
2000 448.50 502.00 638.00 1011.00 1324.50 1504.00 1646.50 1616.00 1355.50 966.50 388.50 368.00 9999.00
2001 292.50 326.50 690.00 816.00 1346.00 1460.00 1595.50 1619.00 1381.50 1068.00 672.00 246.50 9999.00
2002 305.50 377.00 594.00 930.00 1132.50 1445.00 1695.50 1574.00 1354.00 939.50 663.00 330.00 9999.00
2003 509.50 431.00 632.00 765.00 1194.00 1388.50 1709.00 1567.00 1383.00 1187.50 506.50 325.50 9999.00
2004 327.50 351.00 895.50 914.00 1224.00 1419.00 1629.50 1582.00 1310.00 927.00 479.50 327.50 9999.00
2005 373.00 432.00 593.00 791.50 1192.00 1356.50 1671.50 1517.50 1320.00 1012.00 612.00 304.50 9999.00
2006 356.50 439.00 555.50 858.00 1299.50 1552.50 1748.50 1603.00 1288.00 969.00 679.50 160.00 l 9999.00
2007 241.00 457.00 764.00 895.50 1252.00 1409.50 1682.00 1663.00 1332.60 e 991.00 726.00 289.00 9999.00
2008 207.50 i 374.00 682.50 891.50 1090.00 1459.50 1670.50 1355.50 f 1379.50 1042.00 695.50 310.00 9595.00
2009 393.00 235.50 i 660.50 821.50 1346.50 636.50 o 1726.00 1605.50 1430.50 908.50 619.00 307.00 9818.00
2010 370.50 408.50 560.50 766.50 1046.50 1391.00 1717.00 1533.00 1369.00 1007.50 523.00 406.50 9999.00
2011 271.80 c 313.60 c 659.27 a 854.48 a 1002.85 a 1342.50 d 1605.00 1671.33 b 1377.78 c 1011.93 c 530.89 b 213.26 b 9999.00
2012 359.60 a 436.04 a 161.50 u 949.20 e 1266.57 c 1500.52 a 1607.35 a 1655.50 1407.93 a 1079.46 c 693.33 c 373.60 b 9999.00
2013 251.50 343.50 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 595.00
Period of Record Statistics
MEAN 338.77 420.68 639.73 848.54 1164.43 1412.24 1633.54 1585.83 1337.94 1008.13 583.76 330.48 11270.26
S.D. 74.93 70.35 88.22 88.48 106.81 68.94 63.91 56.00 64.86 74.79 83.62 71.34 346.39
SKEW 0.22 0.10 0.55 0.16 0.02 0.08 -0.29 -0.29 -1.35 0.40 -0.29 0.47 0.21
MAX 509.50 557.00 895.50 1051.00 1358.50 1552.50 1748.50 1678.00 1440.00 1187.50 726.00 512.00 11992.33
MIN 167.50 300.00 476.88 671.50 948.71 1274.00 1502.50 1431.00 1138.00 886.00 388.50 213.26 9999.00
NO YRS 37 37 36 37 37 35 36 37 38 38 38 37 31