YUMA CITRUS STN, ARIZONA

Monthly Total Growing Degree Days

(029652)

Base Temperature = 40 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 200603
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
1920 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1231.50 914.50 a 603.00 370.50 3119.50
1921 388.02 a 537.00 795.00 810.50 1041.50 1358.50 1623.50 1556.50 1334.50 1102.50 701.38 a 535.27 a 9999.00
1922 316.00 0.00 z 588.48 a 725.00 1128.00 1383.50 1620.27 a 1575.83 a 1442.50 1034.37 a 550.00 526.50 9999.00
1923 527.00 488.50 632.00 824.00 1170.00 1175.00 1560.50 1553.74 b 1271.38 a 970.50 721.00 462.00 9999.00
1924 421.50 645.00 616.00 815.17 a 1212.10 a 1426.50 1588.00 1565.50 1393.00 937.00 693.50 402.50 9999.00
1925 425.00 586.96 a 766.00 881.00 1185.00 1323.50 1636.00 1564.00 1277.00 950.15 a 626.50 537.00 9999.00
1926 389.50 571.00 803.00 971.00 1144.50 1398.50 1584.50 1579.50 1360.00 1091.50 730.34 a 387.00 9999.00
1927 474.50 583.50 692.00 893.00 1151.50 1325.50 1611.50 1575.50 1309.00 1066.50 746.00 413.50 9999.00
1928 485.67 a 528.73 a 801.00 908.79 a 1230.50 1361.50 1595.00 1588.00 1421.50 1055.00 672.00 469.00 9999.00
1929 370.97 a 432.50 711.97 a 807.00 1209.50 1339.00 1659.50 1654.50 1342.00 1124.50 596.00 0.00 z 9999.00
1930 214.50 q 633.00 739.00 983.50 981.00 1353.50 0.00 z 1561.50 1266.00 983.50 702.41 a 390.50 9593.91
1931 440.72 a 523.00 760.50 979.00 1216.50 1349.00 1711.00 1565.50 a 1288.00 1014.50 562.00 392.00 9999.00
1932 309.50 503.50 758.50 876.00 1139.00 1309.50 1604.00 1618.50 1428.33 c 1015.00 751.00 320.50 9999.00
1933 318.50 317.00 727.50 781.50 989.00 1343.00 1676.50 1619.00 1436.50 1211.50 743.00 500.00 9999.00
1934 499.00 611.85 a 998.00 1054.50 1279.00 1231.50 1643.00 1615.50 1361.50 1114.00 702.00 531.50 9999.00
1935 453.50 568.50 618.50 882.50 1042.00 1429.00 1576.00 1578.00 1432.50 1019.50 565.00 496.00 9999.00
1936 454.00 541.50 817.00 965.50 1240.50 1407.00 1610.00 1632.00 1336.00 1033.33 a 681.50 474.00 9999.00
1937 150.00 453.50 666.50 851.00 1155.50 1326.50 1664.00 1683.30 a 1512.00 1123.50 734.50 627.75 a 9999.00
1938 544.50 481.50 653.00 889.14 a 1106.50 1349.00 1564.00 1590.50 1446.50 997.00 524.00 528.50 9999.00
1939 443.00 304.00 700.50 29.50 z 1165.60 a 1327.00 1604.00 1645.00 1304.50 1005.00 760.50 605.50 9999.00
1940 562.00 516.50 773.34 c 918.00 1270.00 1437.00 1585.50 1624.50 1357.50 1102.00 606.50 569.50 9999.00
1941 454.50 586.00 726.00 765.00 1190.00 1254.00 1606.00 1483.87 a 1195.50 933.50 694.50 496.00 a 9999.00
1942 502.00 419.00 639.50 810.50 1067.50 1310.00 1688.50 1576.50 1322.50 1065.50 727.50 540.00 9999.00
1943 485.50 574.00 781.00 940.00 1213.50 1280.50 1635.50 1603.50 1467.00 1107.50 684.50 468.00 9999.00
1944 411.50 389.00 667.00 791.00 1107.00 1171.50 1541.73 a 1607.50 1402.00 1102.00 602.00 504.00 9999.00
1945 399.50 489.00 579.00 832.50 1122.20 a 1254.50 1639.26 b 1601.15 a 1399.00 1139.50 627.00 418.00 9999.00
1946 427.50 404.50 681.00 966.00 1106.50 1356.50 1562.50 1598.00 1383.00 897.50 526.55 a 512.50 9999.00
1947 363.00 577.00 733.00 870.00 1197.50 1259.00 1560.00 1516.50 1416.50 1061.00 552.50 405.50 9999.00
1948 488.50 455.50 535.00 896.50 1083.00 1245.00 1562.00 1603.00 1389.50 1080.50 556.00 341.00 9999.00
1949 160.50 342.50 641.00 943.50 1094.82 a 1367.50 1581.00 1527.50 1488.00 955.50 810.00 401.00 9999.00
1950 331.50 551.00 754.50 974.50 1060.00 1264.50 1546.50 1541.22 a 1270.00 1146.00 775.00 609.50 9999.00
1951 414.00 432.50 653.50 851.00 1101.02 a 1249.00 1608.50 1528.50 1407.00 1056.00 647.50 410.00 9999.00
1952 326.50 468.50 551.50 888.50 1258.50 1232.00 1571.00 1624.40 a 1409.00 1229.00 569.50 397.50 9999.00
1953 544.50 450.59 a 682.50 812.00 956.50 1249.50 1652.00 1545.00 1319.50 1021.00 733.50 416.50 9999.00
1954 422.00 672.00 618.40 b 0.00 z 468.50 r 1265.00 1573.50 1501.50 1389.50 1094.09 b 739.00 441.00 9715.98
1955 309.50 370.00 657.00 761.00 1053.50 1269.00 1458.50 1543.05 b 1367.00 1139.00 655.00 518.00 9999.00
1956 507.22 b 344.50 694.00 819.50 1110.00 1349.42 d 911.00 l 1488.00 e 1431.00 e 1009.05 a 611.00 463.97 a 9827.66
1957 439.00 620.00 721.00 848.28 a 997.88 b 1382.31 d 1615.21 b 1524.34 b 1312.24 a 966.50 551.40 e 510.35 d 9999.00
1958 458.11 d 407.00 g 593.81 b 886.20 e 813.50 k 1042.50 f 1052.50 j 1594.71 e 1387.50 d 1166.52 d 624.81 d 443.50 h 6711.66
1959 497.19 e 317.00 f 769.50 974.00 1043.00 1400.50 1626.00 1538.38 c 1262.50 1050.50 659.50 437.00 9999.00
1960 281.00 402.00 791.00 881.90 a 1077.00 1410.00 1583.50 1557.00 1351.50 990.50 598.50 374.00 9999.00
1961 461.00 492.50 652.03 a 859.00 1025.00 1362.50 1547.00 1532.50 1203.00 952.73 a 521.50 384.00 9999.00
1962 384.06 d 462.50 526.50 974.50 985.00 1261.50 1530.50 1585.65 a 1372.50 1014.73 a 715.50 469.00 9999.00
1963 299.00 633.50 0.00 z 706.00 1131.00 1171.50 1549.50 1517.50 1381.50 1091.00 651.00 415.00 9999.00
1964 267.00 328.50 532.50 763.00 991.47 b 1232.50 1559.82 a 1525.00 1267.50 1145.97 a 494.50 425.00 9999.00
1965 414.50 434.50 584.50 806.50 1013.00 1108.00 1496.00 1528.50 1191.50 1077.00 684.00 394.50 9999.00
1966 298.63 a 346.64 c 682.50 912.50 1179.50 1298.50 1556.50 1610.50 1365.50 1000.00 693.00 474.00 9999.00
1967 382.00 499.50 727.00 635.00 1051.50 1204.14 a 1608.00 1604.00 1280.50 1061.50 765.00 a 0.00 z 9999.00
1968 379.00 635.50 711.50 799.50 1089.00 1287.93 a 1497.00 1408.50 1255.00 980.63 a 617.50 283.50 9999.00
1969 544.00 427.00 618.50 867.00 1156.50 1218.50 1562.29 b 1648.00 1375.86 a 913.50 680.00 474.00 9999.00
1970 406.50 534.00 646.50 695.50 1115.50 1303.50 1598.00 1607.50 1282.00 939.50 651.50 402.00 9999.00
1971 426.50 471.50 681.50 785.00 937.75 a 1231.61 b 1584.00 1549.48 a 1340.50 867.50 558.00 335.50 9999.00
1972 348.23 a 525.50 894.50 881.50 1103.50 1321.50 1605.50 1462.50 1269.50 942.00 519.00 384.50 9999.00
1973 343.50 474.50 563.50 768.33 c 1155.50 1368.33 c 1530.50 1517.00 1231.00 1010.00 620.00 457.50 9999.00
1974 416.00 430.50 728.50 861.00 1146.00 1430.50 1493.88 b 1198.50 f 1418.79 a 1051.00 566.50 337.50 9880.17
1975 381.30 a 417.20 c 620.53 b 672.00 1023.50 1279.82 b 1557.00 1536.64 b 1373.65 d 938.50 426.50 h 428.50 9999.00
1976 416.50 530.00 633.43 a 740.00 1109.50 1306.00 1505.00 1450.50 1241.00 1017.50 691.50 420.50 9999.00
1977 401.00 518.00 557.50 874.00 935.50 1376.50 1593.00 1544.50 1329.50 1117.50 704.50 550.00 9999.00
1978 441.50 472.50 783.00 841.00 1119.00 1415.50 1614.50 1524.00 1291.50 1145.50 590.00 291.00 9999.00
1979 269.00 389.50 624.50 845.00 1105.50 1340.00 1508.50 1406.37 a 1392.00 1010.50 531.00 478.50 9999.00
1980 520.00 584.50 635.00 812.59 a 990.00 1303.00 1602.50 1517.00 1293.50 1037.00 632.00 560.50 9999.00
1981 556.50 513.00 674.50 932.00 1105.50 1462.00 1617.68 a 1624.00 1396.00 921.00 690.00 514.00 9999.00
1982 380.00 523.50 629.50 853.00 1068.50 1219.50 1543.00 1547.00 1304.00 929.00 568.50 402.00 9999.00
1983 461.00 466.50 690.50 738.50 1118.00 1289.50 1577.00 1505.00 1453.00 1061.50 656.00 488.50 9999.00
1984 485.50 482.50 744.00 815.00 1275.50 1318.00 1562.50 1525.00 1416.50 916.00 564.00 397.50 9999.00
1985 404.00 417.00 0.00 z 0.00 z 1163.00 1391.50 1594.00 1550.50 1151.00 1005.00 568.50 452.50 9697.00
1986 601.00 526.00 814.50 877.00 1137.00 1381.00 1484.50 1613.50 1161.00 931.50 660.50 440.50 9999.00
1987 375.00 482.00 630.00 982.50 1130.50 1360.00 1467.00 1514.50 1319.50 1154.50 601.50 331.00 9999.00
1988 401.50 555.00 728.50 832.50 1098.50 1315.50 1567.50 1516.00 1289.50 1204.50 681.50 406.00 9999.00
1989 371.50 466.00 815.50 1039.00 1153.50 1346.50 1624.00 1524.50 1376.50 1052.50 686.50 451.50 9999.00
1990 391.50 384.50 746.50 942.00 1075.00 1394.50 1606.50 1531.50 1373.50 1066.50 652.50 343.00 9999.00
1991 420.50 610.00 564.00 829.50 1036.00 1219.00 1473.00 1548.00 1367.00 1158.50 676.00 455.00 9999.00
1992 456.50 595.50 696.50 979.50 1233.00 1344.00 1569.00 1689.50 1471.50 1143.50 640.00 435.50 9999.00
1993 491.50 469.50 788.50 956.00 1220.00 1337.50 1504.50 1560.00 1366.50 1111.00 596.00 444.50 9999.00
1994 480.50 433.50 782.00 909.50 1091.50 1456.50 1594.50 1652.00 1424.50 1002.50 511.00 421.00 9999.00
1995 459.50 665.00 762.50 828.00 1025.50 1266.00 1567.50 1684.00 1490.00 1095.50 807.00 514.50 9999.00
1996 513.00 635.00 756.00 939.00 1231.00 1383.00 1669.50 1660.00 1350.50 1073.50 724.50 506.50 9999.00
1997 512.00 514.00 826.50 877.00 1342.00 1294.00 1566.00 1676.00 1448.79 a 1027.50 730.50 379.00 9999.00
1998 500.50 469.50 676.50 762.50 1034.00 0.00 z 1644.00 1670.50 1382.00 1006.00 333.50 o 99.00 w 9145.50
1999 0.00 z 0.00 z 0.00 z 303.00 r 0.00 z 788.00 k 603.00 s 956.50 l 778.50 n 466.00 s 253.00 u 124.50 w 0.00
2000 270.00 q 164.00 u 210.00 v 300.00 u 541.00 q 799.50 m 180.00 z 835.00 o 0.00 z 0.00 z 132.00 w 171.00 v 0.00
2001 112.50 x 106.50 t 0.00 z 192.50 v 0.00 z 0.00 z 0.00 z 86.50 z 0.00 z 929.00 f 770.19 d 253.50 i 770.19
2002 236.50 p 120.00 t 118.50 y 706.00 g 791.00 i 890.00 k 977.00 l 858.00 n 800.00 m 706.00 j 340.00 p 303.00 h 0.00
2003 390.00 l 333.50 j 447.00 l 274.50 t 690.50 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2004 0.00 z 0.00 z 680.00 h 572.00 l 694.50 m 572.50 q 1066.50 j 957.00 l 364.50 u 480.50 p 273.00 p 305.00 k 0.00
2005 285.50 n 412.50 f 506.50 i 572.50 j 723.00 l 596.50 q 957.50 m 965.50 l 697.00 n 230.00 y 334.00 q 168.50 w 0.00
2006 177.00 v 151.00 v 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 0.00
Period of Record Statistics
MEAN 418.92 495.87 694.95 860.26 1115.76 1317.40 1582.12 1567.75 1349.60 1041.13 648.57 447.34 11558.91
S.D. 86.00 88.09 88.85 85.34 86.81 73.85 52.43 59.90 79.08 80.86 77.47 73.40 429.59
SKEW -0.64 -0.06 0.39 -0.15 0.12 -0.32 -0.17 -0.15 -0.37 0.08 -0.04 0.15 0.14
MAX 601.00 672.00 998.00 1054.50 1342.00 1462.00 1711.00 1689.50 1512.00 1229.00 810.00 627.75 12641.35
MIN 150.00 304.00 526.50 635.00 935.50 1108.00 1458.50 1406.37 1151.00 867.50 494.50 283.50 9999.00
NO YRS 77 75 76 75 76 76 75 77 79 79 78 75 64