WELLTON, ARIZONA

Monthly Total Growing Degree Days

(029211)

Base Temperature = 40 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 198012
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
1922 0.00 z 0.00 z 339.50 q 760.00 1134.08 a 1337.59 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3231.67
1923 99.50 v 0.00 z 0.00 z 885.00 e 1233.80 a 1234.00 1594.00 1513.50 1272.50 898.50 613.27 d 0.00 z 9244.57
1924 332.50 510.50 541.00 0.00 z 1181.00 0.00 z 1071.50 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2565.00
1925 0.00 z 0.00 z 433.00 m 827.00 1147.50 1275.50 1590.82 a 1528.50 1214.48 a 874.89 d 454.66 a 370.00 9283.34
1926 239.00 458.50 709.79 b 869.50 1060.72 a 1303.00 1512.05 b 1506.60 a 1307.00 1007.50 a 607.24 a 338.50 9999.00
1927 436.00 530.44 a 614.66 b 801.50 1072.00 1252.00 1550.50 1515.00 1262.00 926.50 652.50 299.50 9999.00
1928 363.22 a 419.50 680.50 779.00 1115.50 1280.56 c 1528.30 a 1526.20 c 1332.50 947.50 563.28 a 327.64 b 9999.00
1929 212.00 g 360.08 c 632.29 b 736.15 d 1085.00 b 1281.72 a 1588.50 1582.07 b 1293.21 b 1025.58 a 483.62 a 428.50 9999.00
1930 360.12 a 580.74 a 649.50 840.00 a 888.15 a 1275.56 c 1532.90 b 1549.45 c 1252.50 b 887.50 639.31 a 260.50 9999.00
1931 346.00 507.63 a 713.00 a 927.50 1170.25 a 1339.00 1704.48 a 1546.56 d 1321.11 c 988.79 b 542.22 c 304.83 a 9999.00
1932 267.63 a 460.24 b 713.00 c 823.27 d 1103.27 c 1307.07 a 1597.57 b 1612.00 a 1380.00 a 948.94 d 627.86 b 0.00 z 9999.00
1933 275.79 b 287.00 704.00 733.97 a 952.45 b 1343.04 b 1203.50 i 1243.50 g 1437.00 1131.50 d 642.00 e 404.15 d 7910.89
1934 406.32 c 567.54 b 919.31 b 1022.68 b 1254.95 c 471.50 q 1068.00 k 1100.50 j 1320.52 a 1048.00 595.38 d 456.14 c 7590.84
1935 401.28 d 529.31 b 610.24 d 859.04 d 1004.06 d 1061.00 g 1569.63 a 1052.00 j 1382.40 e 988.68 c 344.00 f 325.50 f 7344.63
1936 357.65 d 490.68 d 557.50 h 784.00 f 1221.52 e 1437.41 a 1662.93 c 1640.93 a 1342.50 b 1025.38 e 607.22 c 400.70 d 9999.00
1937 121.00 436.07 a 642.45 b 857.59 a 1133.57 a 1348.89 c 1663.27 e 1671.33 b 1474.50 1072.94 d 485.00 g 531.28 b 9999.00
1938 432.85 d 469.54 b 676.83 d 877.00 1148.79 e 1329.31 a 1599.50 1573.50 1406.11 c 949.08 e 411.96 b 415.73 c 9999.00
1939 367.00 282.15 b 684.77 c 738.50 g 1185.75 c 1351.07 b 1646.44 d 1657.93 d 1299.44 c 884.65 d 653.28 a 462.93 a 9999.00
1940 457.77 a 500.25 c 777.14 b 936.00 e 1262.14 c 1435.50 1578.70 d 1628.02 a 1333.97 a 1020.42 a 488.79 a 484.63 a 9999.00
1941 414.37 a 544.96 a 665.98 a 742.24 a 1155.55 b 1236.96 b 1596.50 a 1494.56 e 1133.33 c 876.86 c 575.36 b 404.60 b 9999.00
1942 371.45 c 350.54 b 594.34 b 800.89 b 814.50 h 1033.00 f 1670.38 a 1010.50 l 1278.00 e 1020.86 b 598.89 c 266.00 l 6685.36
1943 333.50 f 500.23 b 776.66 c 945.00 d 1151.28 b 1263.62 a 1576.57 c 1549.47 b 1415.89 b 1032.30 a 525.00 a 389.00 9999.00
1944 315.68 a 373.38 a 642.70 c 778.85 d 1060.64 c 1175.50 839.00 m 1635.54 d 1177.00 f 1198.00 559.04 d 356.00 8095.32
1945 318.86 c 280.50 i 543.05 c 455.00 n 251.00 x 968.50 f 1626.31 e 1667.50 494.50 s 820.50 g 369.50 j 264.05 c 4419.77
1946 275.50 h 344.00 647.56 d 940.00 c 829.50 h 1341.92 d 1588.46 d 1214.50 h 1363.00 846.00 453.21 b 414.48 d 7938.64
1947 265.00 538.00 691.82 a 892.50 1214.00 1300.00 1643.00 b 1512.00 1406.25 b 1012.09 d 560.00 298.63 a 9999.00
1948 439.88 b 432.85 b 550.00 891.00 1079.50 1252.00 1549.00 1598.05 a 1362.12 d 1024.55 a 443.50 297.60 a 9999.00
1949 128.81 b 326.85 b 621.11 c 931.07 b 1064.00 1355.36 b 844.00 n 888.00 m 0.00 z 0.00 z 0.00 z 0.00 z 4427.19
1950 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 z 0.00 z 0.00
1951 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 552.93 a 331.70 a 884.63
1952 284.00 404.50 557.43 d 891.11 c 1293.50 1304.50 1617.50 1642.00 1418.00 1174.90 a 490.50 332.00 9999.00
1953 492.38 a 408.00 674.50 813.00 947.00 1306.50 1633.38 b 1538.50 1300.00 963.50 630.00 287.00 9999.00
1954 347.50 586.00 594.68 a 935.50 1175.50 1313.00 1656.43 a 1469.50 1335.00 b 1045.50 651.00 374.67 b 9999.00
1955 261.00 322.50 645.00 752.50 1021.00 1253.00 1453.00 1522.50 1316.00 1087.50 548.04 b 427.50 9999.00
1956 427.36 c 299.50 646.72 b 770.00 1097.50 1345.00 1527.30 c 1051.50 h 1407.00 952.96 d 489.00 342.50 9304.85
1957 395.50 587.50 698.61 c 800.00 960.50 1352.22 c 1613.15 d 1120.00 h 1291.50 938.50 482.00 400.50 9519.98
1958 384.50 524.00 581.52 b 848.00 1265.50 1336.07 b 1504.53 a 1557.15 e 1313.28 a 1078.59 b 569.50 437.50 9999.00
1959 425.00 397.50 706.00 969.64 b 1044.50 1383.75 b 1608.26 b 1486.45 a 938.00 f 986.00 618.10 a 374.50 9999.00
1960 258.85 a 397.00 780.17 d 897.32 b 1110.50 1440.00 1574.05 b 1502.50 1321.50 965.50 566.50 298.50 9999.00
1961 419.50 487.50 668.10 b 886.50 1076.45 b 1405.86 a 1552.14 b 1477.15 a 1184.00 878.00 484.20 e 335.50 9999.00
1962 372.50 448.00 a 523.90 a 975.00 a 1024.15 d 1236.67 c 1479.14 c 1555.96 e 1333.00 972.00 663.00 433.50 9999.00
1963 255.00 616.00 608.38 c 735.00 a 1174.50 938.00 f 1536.00 1488.52 a 1356.35 d 1049.19 b 607.50 326.03 b 9752.46
1964 212.57 c 323.14 a 546.00 793.93 b 1030.20 c 1252.50 d 1563.00 1489.60 b 1246.50 1124.00 449.46 b 379.00 9999.00
1965 405.50 431.00 447.50 f 826.00 1011.24 b 1119.11 b 1536.50 1573.50 1203.00 1029.50 671.00 362.50 9999.00
1966 261.50 310.69 b 694.50 908.04 b 1182.13 a 1307.50 1187.50 h 1612.55 c 1318.00 963.50 634.50 398.50 9591.42
1967 317.48 b 450.15 b 700.50 650.50 1056.00 1214.50 1613.07 b 1598.50 1280.00 1032.41 c 697.50 b 271.50 9999.00
1968 354.50 589.00 675.50 811.20 e 1107.00 1339.14 a 1543.50 1444.71 b 1287.32 b 969.30 c 467.50 g 250.00 9999.00
1969 486.00 373.15 b 643.80 c 874.04 d 1160.20 d 800.50 j 1593.50 1693.93 c 1371.67 c 903.02 d 630.54 b 398.00 9999.00
1970 347.00 372.00 h 619.47 b 697.50 1121.96 e 1312.00 1647.59 d 1614.38 e 1279.14 a 749.50 f 586.67 c 334.00 9559.71
1971 354.00 440.00 686.50 744.23 d 945.00 1264.20 e 1570.00 1523.00 1059.00 h 886.82 c 533.89 c 199.50 f 8947.64
1972 273.50 508.00 855.27 c 840.50 1045.39 d 1317.50 1609.70 d 1199.00 f 1229.40 e 942.29 b 482.68 b 305.72 b 9409.96
1973 297.50 424.85 b 520.50 759.60 e 1079.04 e 1332.50 1540.81 d 1510.00 820.50 i 957.00 558.00 394.00 9373.80
1974 380.00 410.00 696.97 b 807.50 1076.00 1387.50 1495.00 1478.50 1357.50 1024.50 591.50 284.50 9999.00
1975 338.50 367.00 559.00 606.00 985.00 1221.00 1561.50 1515.50 1319.50 915.00 552.50 374.50 9999.00
1976 374.50 522.50 586.00 711.35 d 1114.50 1295.50 1529.50 1446.00 1207.00 943.00 619.50 372.00 9999.00
1977 373.00 487.50 528.50 859.50 945.00 1361.00 1588.00 1533.50 1304.48 a 1115.00 673.00 522.00 9999.00
1978 432.50 491.50 741.00 789.50 1096.00 1393.00 1593.00 1531.00 1289.00 1149.00 593.00 289.00 9999.00
1979 275.38 a 414.00 617.93 a 823.00 1077.50 1338.21 b 1518.50 1444.00 1434.50 1075.00 543.00 453.08 e 9999.00
1980 506.50 582.50 616.79 b 819.00 973.00 1317.00 1640.13 d 1577.00 770.00 l 0.00 z 0.00 z 378.00 j 8031.92
Period of Record Statistics
MEAN 347.67 450.08 653.36 831.16 1097.69 1310.11 1581.36 1550.75 1318.60 995.26 569.33 367.33 11038.58
S.D. 83.37 88.80 81.44 84.31 92.30 64.58 53.43 64.87 70.58 82.92 70.39 67.57 356.62
SKEW -0.53 -0.09 0.74 -0.19 -0.03 -0.32 -0.03 0.38 -0.18 0.40 -0.35 0.34 0.18
MAX 506.50 616.00 919.31 1022.68 1293.50 1440.00 1704.48 1693.93 1474.50 1198.00 697.50 531.28 11903.33
MIN 121.00 282.15 520.50 606.00 888.15 1119.11 1453.00 1444.00 1133.33 846.00 411.96 250.00 9999.00
NO YRS 51 52 52 53 54 50 50 46 48 51 50 49 26