YOUNGTOWN, ARIZONA

Monthly Total Growing Degree Days

(029634)

Base Temperature = 40 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 1049.00 473.79 a 386.00 1908.79
1965 449.50 399.00 535.00 761.50 1003.00 1130.00 1554.00 1495.00 1175.50 1025.50 667.00 418.50 a 9999.00
1966 281.50 314.50 653.00 849.50 1190.00 1319.00 1556.50 1523.50 1277.50 950.50 637.50 393.00 9999.00
1967 353.50 492.50 695.50 652.50 1073.00 1258.00 0.00 z 1547.50 1300.00 1042.50 716.50 269.00 9400.50
1968 404.00 594.00 610.50 810.50 1098.50 1326.00 1506.50 1401.00 1240.50 955.00 561.00 266.00 9999.00
1969 464.50 374.00 520.00 829.00 1175.50 1250.50 1586.50 1615.50 1300.50 825.50 595.50 397.00 9999.00
1970 310.50 514.00 563.50 710.50 1173.50 1376.00 1632.00 1567.50 1183.00 827.50 573.00 339.00 9999.00
1971 363.00 413.50 704.00 815.00 1012.50 1320.00 1626.00 1485.50 1301.00 904.17 d 564.50 308.97 a 9999.00
1972 322.00 525.62 a 907.50 897.50 1162.50 1401.00 1619.50 1508.00 1273.00 950.50 475.00 311.50 9999.00
1973 296.00 445.50 460.00 778.00 1221.00 1409.00 1562.50 1523.00 1224.50 977.50 537.00 415.92 a 9999.00
1974 376.50 417.50 725.00 873.00 1161.50 1473.50 1556.00 1476.50 1341.50 1030.00 587.50 300.00 9999.00
1975 364.50 388.50 588.00 646.00 1060.50 1317.50 1590.50 1522.50 1339.00 939.50 596.00 418.50 9999.00
1976 429.50 561.50 635.50 796.50 1199.50 1378.50 1579.50 1503.00 1238.00 923.00 619.00 392.00 9999.00
1977 366.50 530.96 a 555.00 894.00 996.50 1412.50 1590.00 1557.00 1294.00 1068.50 657.00 490.00 9999.00
1978 402.00 441.50 728.50 782.00 1099.00 1409.42 d 1587.00 1490.50 1315.00 1131.00 597.50 307.00 9999.00
1979 267.00 398.50 621.50 823.50 1149.50 1400.50 1578.00 1450.50 1430.00 1057.50 556.50 455.00 9999.00
1980 487.00 556.00 599.50 838.00 1036.50 1368.00 1656.00 1536.00 1326.50 1043.00 638.50 569.00 9999.00
1981 524.00 526.50 660.00 981.00 1179.00 1535.00 1641.50 1617.00 1358.50 948.00 682.00 471.00 9999.00
1982 371.00 523.00 611.50 864.00 1145.00 1314.00 1526.50 1578.00 1322.50 944.50 575.00 356.00 9999.00
1983 418.50 437.50 612.00 717.00 1146.50 1342.00 1601.00 1535.00 1420.00 1037.50 619.50 436.50 9999.00
1984 474.50 486.50 747.50 839.50 1343.00 1379.50 1556.50 1513.00 1342.50 888.00 558.50 381.50 9999.00
1985 380.50 415.00 639.50 980.50 1218.50 1462.00 1613.00 1570.00 1165.00 1002.00 549.00 410.50 9999.00
1986 573.50 513.00 819.00 924.00 1203.00 1462.50 1533.00 1617.50 1186.00 948.50 648.00 426.50 9999.00
1987 365.50 481.50 620.50 1049.00 1206.00 1454.00 1525.00 1546.00 1301.50 1147.00 607.50 315.50 9999.00
1988 387.00 564.00 727.50 873.50 1163.00 1440.00 1619.50 1535.50 1269.50 1185.50 622.50 409.50 9999.00
1989 403.00 528.00 834.00 1091.00 1239.00 1419.00 1676.00 1544.50 1363.00 1043.50 710.50 413.00 9999.00
1990 430.50 422.00 759.50 1006.00 1174.50 1511.00 1625.50 1509.00 1353.00 1085.50 684.00 359.50 9999.00
1991 423.50 643.50 558.50 857.00 1136.00 1318.50 1626.00 1609.00 1375.50 1145.00 636.50 488.00 9999.00
1992 442.00 588.50 689.00 1005.50 1262.00 1401.00 1584.00 1586.00 1385.50 1101.50 547.00 364.00 9999.00
1993 509.50 477.00 732.50 928.50 1293.00 1414.50 1566.50 1577.00 1355.00 1063.00 577.00 436.50 9999.00
1994 434.00 458.50 770.50 941.00 1173.00 1555.50 1674.00 1711.00 1418.50 989.50 537.50 466.00 9999.00
1995 443.00 642.50 745.50 838.00 1091.50 1354.00 1660.00 1709.50 1489.00 1108.50 788.50 501.50 9999.00
1996 480.00 642.00 759.50 998.50 1304.00 1505.00 1717.00 1671.00 1322.50 1065.50 727.50 490.50 9999.00
1997 483.50 487.50 890.00 915.00 1389.50 1370.50 1628.50 1661.50 1475.00 1073.50 684.50 384.00 9999.00
1998 483.00 390.44 a 685.00 764.00 1093.50 0.00 z 1695.00 1699.00 1425.00 1025.50 646.50 463.00 9999.00
1999 500.00 544.00 764.50 809.50 1212.50 1446.50 1614.14 b 1654.50 1437.00 1194.50 804.00 469.00 9999.00
2000 558.50 612.00 742.00 1051.50 1385.00 1524.50 1689.50 1658.00 1474.50 1047.36 c 456.72 a 480.00 9999.00
2001 427.50 455.50 760.00 905.56 c 1385.50 1511.50 1652.50 1623.00 1464.00 1124.50 765.50 356.50 9999.00
2002 429.00 534.00 688.50 1014.00 1210.50 1511.50 1691.50 1620.50 1410.00 998.00 729.00 387.50 9999.00
2003 615.50 487.00 700.50 832.00 1238.50 1446.00 1718.00 1645.00 1443.50 1226.00 601.50 438.00 9999.00
2004 121.00 v 434.50 954.50 962.00 1289.00 1451.00 1643.50 1600.50 1381.00 1010.50 569.50 437.00 9999.00
2005 494.00 511.00 695.50 913.50 1269.00 1442.50 1706.50 1599.00 1412.00 1100.50 722.50 452.50 9999.00
2006 491.00 539.50 632.50 0.00 z 1317.50 1574.50 1738.50 1601.00 1319.50 1047.00 715.00 374.50 9999.00
2007 381.00 520.50 846.50 946.00 1288.50 1478.00 1674.50 1680.50 1417.00 1103.00 804.50 333.00 9999.00
2008 389.00 464.50 767.00 949.00 1155.00 1519.00 1665.50 1630.50 1437.00 1118.50 726.00 421.00 9999.00
2009 536.50 518.50 790.00 917.50 1386.00 1391.50 1753.00 1635.50 1452.00 1004.00 743.00 370.50 9999.00
2010 483.00 500.50 672.50 874.50 1130.50 1450.00 1709.00 1625.00 1465.00 1099.50 604.00 543.00 9999.00
2011 413.33 a 387.50 794.50 983.00 1130.98 a 1433.50 1662.50 1745.82 a 1455.00 a 1127.22 b 638.00 347.50 9999.00
2012 515.50 532.36 a 738.00 995.89 b 1314.29 b 1521.00 1638.50 1685.00 1427.14 b 1066.92 a 750.00 428.00 9999.00
2013 395.77 a 437.00 868.00 b 32.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 8.00 z 1700.77
Period of Record Statistics
MEAN 429.03 491.27 701.59 882.64 1193.44 1414.65 1625.66 1583.25 1351.70 1036.12 634.36 405.05 11745.96
S.D. 75.79 74.80 105.16 102.61 101.61 87.95 60.57 75.59 87.42 88.35 85.29 67.46 623.30
SKEW 0.09 0.07 0.11 -0.23 0.15 -0.67 0.09 -0.01 -0.40 -0.28 0.13 0.03 -0.23
MAX 615.50 643.50 954.50 1091.00 1389.50 1574.50 1753.00 1745.82 1489.00 1226.00 804.50 569.00 12683.00
MIN 267.00 314.50 460.00 646.00 996.50 1130.00 1506.50 1401.00 1165.00 825.50 456.72 266.00 9999.00
NO YRS 48 49 49 47 48 47 47 48 48 49 49 49 44