TUCSON U OF A #1, ARIZONA

Monthly Total Growing Degree Days

(028817)

Base Temperature = 40 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201209
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 1024.00 1228.00 1417.50 1417.00 1226.00 845.00 553.50 323.50 8034.50
1983 375.50 367.50 537.00 612.00 1016.00 1221.50 1462.00 1367.50 1275.50 919.50 510.00 421.50 9999.00
1984 360.50 370.50 629.00 734.50 1217.00 1294.44 c 1368.81 b 1346.00 1247.00 831.50 531.50 345.81 b 9999.00
1985 321.00 359.00 596.50 877.00 1105.50 1313.00 1442.00 1392.00 1092.50 908.00 525.50 367.50 9999.00
1986 552.50 477.50 751.00 872.50 1135.00 1368.00 1417.50 1449.50 1180.00 896.50 580.50 353.50 9999.00
1987 355.00 400.00 642.00 916.50 1085.50 1359.50 1455.00 1404.00 1175.00 1079.50 560.00 320.50 9999.00
1988 323.50 480.00 606.00 793.00 1069.50 1332.50 1492.50 1410.50 1189.50 1067.50 549.00 362.00 9999.00
1989 309.50 480.00 753.00 981.50 1133.50 1321.50 1536.00 1418.50 1309.00 940.50 589.00 330.00 9999.00
1990 315.50 342.50 656.50 875.50 1083.50 1423.50 1413.50 1324.50 1252.00 968.00 618.00 311.00 9999.00
1991 338.00 536.00 479.00 738.50 1036.50 1218.50 1443.00 1440.50 1237.50 1027.00 540.00 426.00 9999.00
1992 354.50 491.50 588.50 886.50 1121.00 1295.50 1422.00 1402.00 1302.50 1019.50 467.50 375.00 9999.00
1993 498.50 398.50 630.50 806.50 1142.00 1294.50 1456.00 1405.50 1218.00 968.50 506.00 377.00 9999.00
1994 362.00 382.00 681.50 824.00 1046.50 1428.00 1515.00 1503.50 1280.00 909.00 488.00 389.00 9999.00
1995 358.00 550.50 632.50 711.00 966.00 1232.00 1489.50 1490.00 1294.50 986.00 687.00 416.50 9999.00
1996 422.50 558.50 647.00 863.00 1182.00 1394.50 1552.00 1472.00 1158.00 948.00 630.00 424.50 9999.00
1997 393.50 406.00 758.50 779.00 1234.00 1284.50 1504.50 1474.00 1357.00 934.50 614.00 256.00 9999.00
1998 425.50 316.50 581.00 655.00 1023.00 0.00 z 1488.50 1495.50 1316.50 986.50 643.00 393.00 9324.00
1999 446.00 493.50 691.00 703.00 1076.00 1335.00 1406.00 1426.50 1254.00 1065.50 755.00 354.00 9999.00
2000 471.50 536.50 613.50 921.50 1250.50 1358.50 1530.00 1434.00 1338.00 917.00 383.00 425.00 9999.00
2001 327.50 383.00 655.50 843.50 1232.50 1373.50 1475.50 1459.50 1360.00 1044.00 721.50 325.00 9999.00
2002 395.00 483.50 612.50 975.50 1122.00 1431.00 1494.00 1471.00 1296.50 954.00 663.50 359.50 9999.00
2003 572.50 435.50 642.50 779.50 1177.50 1370.00 1564.50 1465.00 1306.00 1123.50 600.50 435.00 9999.00
2004 416.50 331.50 839.00 803.50 1171.50 1343.50 1482.00 1416.50 1253.00 927.00 525.50 390.50 9999.00
2005 460.50 445.50 605.50 843.50 1161.50 0.00 z 1574.00 1383.50 1323.50 1029.50 0.00 z 443.00 9270.00
2006 460.00 489.00 606.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 369.00 1924.00
2007 324.00 478.00 736.00 865.00 1191.50 1374.00 1510.50 1466.50 1305.50 1024.00 764.48 a 310.00 9999.00
2008 368.50 442.00 0.00 z 828.00 1040.00 1383.00 1452.00 1429.50 1280.50 1015.00 675.50 427.00 9999.00
2009 472.00 489.00 719.50 823.50 1240.00 1293.50 0.00 z 1510.50 1299.00 935.50 0.00 z 0.00 z 8782.50
2010 72.50 x 13.00 z 561.50 764.00 1018.50 1359.00 1536.00 1477.00 1338.00 1005.00 529.00 482.00 9999.00
2011 316.50 325.50 721.00 868.00 1007.50 1330.00 1486.50 1532.50 1281.43 b 998.00 557.59 a 258.50 9999.00
2012 438.13 a 433.96 a 603.95 c 845.19 d 1161.50 1393.00 1435.50 1466.50 400.00 u 0.00 z 0.00 z 0.00 z 7777.74
Period of Record Statistics
MEAN 397.73 437.34 647.48 820.33 1115.70 1334.05 1476.61 1438.37 1267.10 974.93 584.00 371.41 10852.83
S.D. 71.94 70.79 75.91 86.40 80.36 60.96 51.22 49.02 63.27 69.36 89.17 54.33 362.33
SKEW 0.75 -0.07 0.37 -0.40 0.03 -0.39 0.03 -0.30 -0.84 0.00 0.21 -0.23 -0.32
MAX 572.50 558.50 839.00 981.50 1250.50 1431.00 1574.00 1532.50 1360.00 1123.50 764.48 482.00 11472.00
MIN 309.50 316.50 479.00 612.00 966.00 1218.50 1368.81 1324.50 1092.50 831.50 383.00 256.00 9999.00
NO YRS 29 29 29 29 30 28 29 30 29 29 27 29 23