LITCHFIELD PARK, ARIZONA

Monthly Total Growing Degree Days

(024977)

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
1917 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1390.41 d 1291.50 997.00 579.00 126.00 u 4257.91
1918 146.50 h 420.50 684.58 a 827.00 977.00 1481.38 a 1519.50 1392.00 0.00 z 0.00 z 326.00 h 267.78 b 7569.74
1919 290.00 287.50 524.50 886.50 1147.50 1380.50 1542.50 1528.09 b 1251.00 841.00 491.00 410.00 9999.00
1920 370.45 a 166.50 r 0.00 z 715.00 1094.76 d 1274.50 1520.50 1447.50 1193.00 811.50 537.00 255.50 9219.71
1921 199.50 384.50 810.59 d 785.50 743.00 f 1306.55 a 1516.50 1431.50 1269.50 1025.58 a 597.32 b 457.80 c 9784.85
1922 242.50 375.00 495.00 664.66 a 1065.88 a 1322.00 1571.00 1510.50 1321.55 a 946.00 430.34 a 443.00 9999.00
1923 434.52 a 402.00 564.72 a 780.56 c 1157.16 b 1203.33 c 1515.50 1475.94 d 1215.00 b 824.00 572.00 355.50 9999.00
1924 279.00 460.38 a 442.27 a 707.07 a 1145.00 1427.50 1571.50 998.50 j 726.50 l 842.68 a 574.50 354.95 a 7804.84
1925 343.50 483.78 a 686.65 a 827.78 c 1167.00 304.00 u 1230.00 g 1176.00 g 1021.00 f 726.00 421.00 346.17 a 5001.87
1926 219.67 b 437.36 c 662.33 e 801.96 b 1053.45 c 1375.18 b 1524.50 1462.17 d 1307.68 b 990.00 581.25 b 267.50 f 9999.00
1927 425.50 456.00 513.16 c 760.50 1064.16 b 1267.76 a 529.50 t 1193.50 f 1272.00 928.93 b 657.86 b 298.00 7643.86
1928 337.38 a 383.98 b 688.72 a 793.39 b 1171.59 b 1284.50 1530.76 b 1458.00 1189.80 e 920.91 b 560.17 a 383.33 e 9999.00
1929 292.50 323.08 b 564.00 736.50 831.50 h 1331.11 c 1551.50 1491.00 1254.50 991.48 a 467.59 a 415.00 9418.26
1930 326.02 a 536.85 b 625.50 902.68 b 890.06 e 1288.97 a 1512.59 b 1451.12 b 1182.78 c 899.50 597.78 c 329.50 9999.00
1931 352.76 b 475.44 c 654.00 895.50 1175.13 d 1022.50 g 1700.02 c 1485.13 d 1286.38 a 929.45 c 482.14 b 264.05 c 9700.00
1932 150.72 b 418.35 b 591.67 b 761.79 b 1053.40 e 1278.00 1578.23 c 1538.67 e 1332.41 a 935.96 e 634.66 a 263.00 9999.00
1933 230.95 a 258.22 a 625.68 a 715.34 a 949.78 b 1351.55 a 1685.22 b 1573.52 b 1365.56 c 1091.20 a 630.00 a 399.79 b 9999.00
1934 423.00 551.70 a 497.00 n 985.18 b 1265.46 c 1254.64 b 1639.90 a 1462.00 0.00 z 965.17 e 390.00 l 511.50 d 9058.56
1935 396.11 d 495.92 b 301.00 k 835.86 a 1016.80 a 1397.14 b 1573.00 919.00 l 1324.50 981.15 a 482.07 a 422.63 a 8925.19
1936 362.70 a 440.37 b 741.33 b 941.25 b 1251.48 d 1450.71 b 1635.52 b 1574.80 a 1295.00 c 992.50 630.00 d 390.82 c 9999.00
1937 121.42 a 410.00 616.90 a 825.00 b 1154.23 a 1347.86 b 1614.58 a 1550.00 b 1310.89 b 872.13 a 0.00 z 0.00 z 9823.02
1938 432.40 b 440.72 c 584.72 b 699.00 f 1135.63 a 1373.33 c 1558.94 e 1553.50 1400.89 b 974.43 a 443.50 403.52 a 9999.00
1939 0.00 z 0.00 z 673.50 913.33 c 1168.38 b 1351.55 a 1612.00 b 1528.00 1237.76 a 910.07 c 698.00 493.50 9999.00
1940 418.50 b 449.00 536.50 g 891.72 a 1244.50 1458.62 a 1588.75 a 1581.00 1337.07 a 1000.00 506.50 462.42 a 9999.00
1941 425.50 505.50 600.07 c 656.50 1073.63 a 1211.50 1514.50 1415.67 a 1150.00 856.78 b 600.54 b 402.50 9999.00
1942 391.00 325.50 574.00 775.00 1049.50 1295.69 a 1627.00 1514.00 1308.50 966.00 652.76 a 441.50 9999.00
1943 389.50 527.50 730.57 a 923.50 1182.00 1287.50 1602.18 a 1483.87 a 1338.50 974.00 611.50 421.00 9999.00
1944 323.50 338.00 539.00 714.44 c 1089.28 b 1176.00 1500.83 b 1550.53 b 1298.50 1030.00 522.50 370.50 9999.00
1945 323.00 407.62 b 517.00 772.00 1081.26 b 1241.50 1576.50 1548.00 1367.00 1053.48 a 525.00 301.00 9999.00
1946 321.50 347.93 a 652.66 c 992.50 1104.00 1372.24 a 1550.00 1548.50 1311.50 794.50 445.50 441.50 9999.00
1947 284.00 514.50 682.00 a 822.86 b 1207.00 1299.50 1610.50 1488.00 1390.00 1008.00 456.50 264.50 9999.00
1948 339.50 348.50 520.50 876.21 a 1091.20 a 1302.00 1557.50 1556.20 a 1327.50 1020.00 446.50 330.67 a 9999.00
1949 156.00 332.37 a 590.00 900.00 1095.00 1366.50 1564.50 1449.50 1388.50 896.00 704.50 358.50 9999.00
1950 317.00 511.00 683.50 937.50 1064.00 1295.00 1533.00 1500.50 1199.00 1099.50 658.00 486.00 9999.00
1951 317.00 414.50 618.45 a 799.14 a 418.00 q 66.50 z 53.00 z 0.00 z 326.50 v 958.50 129.00 v 304.50 3412.09
1952 280.50 360.50 453.50 786.43 b 1182.00 1278.21 b 1489.00 1526.00 1326.21 a 1057.10 a 461.00 272.91 c 9999.00
1953 466.60 b 385.26 a 656.50 792.41 a 929.00 1292.50 1573.50 1506.50 1278.00 947.00 594.11 b 258.50 9999.00
1954 344.00 559.48 a 327.50 m 956.00 1166.63 a 1305.50 1595.00 1492.50 1347.00 1031.50 669.00 379.00 9999.00
1955 265.50 304.00 632.50 742.50 1059.00 1294.50 1452.00 1468.00 1273.50 1108.50 570.50 452.00 9999.00
1956 453.50 277.00 666.50 774.00 1156.00 1436.00 1548.00 1033.00 i 1382.00 953.77 a 527.50 368.00 9542.27
1957 414.50 593.50 679.50 815.00 c 1028.50 1437.00 1618.50 1508.50 1287.50 949.00 480.50 444.50 9999.00
1958 375.00 505.00 544.00 821.50 1306.00 1435.00 1620.00 1588.50 1340.50 1075.00 603.50 485.00 9999.00
1959 427.80 a 376.00 682.50 967.50 1074.50 1470.00 1656.00 1514.50 1265.50 1012.50 641.50 423.50 9999.00
1960 274.00 340.50 753.00 869.00 1117.50 1466.00 1593.00 1555.50 1373.79 a 966.00 626.00 364.50 9999.00
1961 472.00 497.50 644.50 875.00 1091.00 1472.50 1618.00 1543.00 1242.50 945.00 510.50 359.00 9999.00
1962 361.00 448.50 484.00 967.00 1036.50 1291.00 1557.50 1607.50 1346.50 998.50 697.00 502.20 a 9999.00
1963 306.00 594.50 634.00 748.50 1197.00 1216.50 1609.00 1500.50 1393.50 1110.00 673.50 396.00 9999.00
1964 276.00 311.00 549.00 782.50 1055.00 1299.50 1614.50 1476.00 1260.50 1090.00 481.50 397.50 9999.00
1965 440.00 422.50 551.00 781.50 1035.00 1168.50 1591.50 1543.50 1202.50 1058.50 685.50 430.50 9999.00
1966 286.50 287.00 683.50 888.00 1214.00 1339.00 1595.50 1547.00 1276.00 944.50 631.00 345.50 9999.00
1967 350.00 493.50 719.50 675.50 1112.00 1306.50 1632.50 1598.50 1306.50 1068.50 720.00 261.00 9999.00
1968 410.00 601.00 649.50 826.00 1118.50 1372.50 1558.00 1434.50 1283.00 983.00 579.00 290.00 9999.00
1969 491.50 397.00 549.50 881.00 1199.50 1299.00 1628.00 1660.00 1365.50 880.50 629.50 445.00 9999.00
1970 352.00 554.50 611.50 717.50 1191.00 1387.00 1691.50 1622.50 1238.50 884.00 603.00 356.50 9999.00
1971 364.00 423.00 693.50 796.00 1003.00 1318.50 1622.50 1486.00 1278.50 833.00 593.00 357.50 9999.00
1972 334.50 523.50 894.00 883.00 1139.00 1395.00 1639.50 1513.50 1305.00 958.00 488.00 322.00 9999.00
1973 306.50 435.50 470.00 817.00 1232.00 1415.50 1600.00 1578.50 1254.00 988.50 576.50 418.50 a 9999.00
1974 384.50 421.00 715.50 856.00 1144.00 1497.00 1584.00 1213.00 f 1335.00 b 1042.12 a 579.50 264.50 9823.12
1975 335.50 368.00 595.00 666.00 1034.50 1291.00 1585.00 1548.00 1328.50 923.50 561.00 377.50 9999.00
1976 383.50 535.00 608.00 772.50 1184.50 1359.00 1557.50 1470.00 1217.50 878.00 579.83 a 368.50 9999.00
1977 378.00 507.50 549.50 892.00 1004.00 1429.50 1638.50 1600.50 1321.50 1068.50 669.00 503.00 9999.00
1978 423.00 449.00 738.00 807.50 1121.17 a 1443.50 1598.50 1490.50 1297.00 1107.00 584.00 314.00 9999.00
1979 256.50 404.50 586.50 828.00 1115.00 1407.00 1574.50 1467.50 1431.50 1064.33 a 539.50 457.77 a 9999.00
1980 505.00 578.50 625.50 856.50 1058.00 1386.00 1680.00 1538.63 a 1335.50 1044.00 656.50 592.00 9999.00
1981 554.50 539.00 666.50 988.50 1174.50 1544.00 1663.50 1647.50 1366.50 944.00 681.50 484.50 9999.00
1982 377.50 531.50 630.00 872.00 1159.50 1315.00 1583.00 1595.50 1334.50 932.00 590.50 366.50 9999.00
1983 420.50 455.50 634.50 747.50 1161.50 1339.00 1629.50 1569.50 1455.50 1056.50 610.50 437.50 9999.00
1984 444.00 465.50 734.00 832.50 1346.50 1380.00 1566.00 1522.50 1351.00 887.50 571.50 369.50 9999.00
1985 360.50 424.00 651.00 979.50 1230.00 1464.50 1621.50 1586.50 1160.50 999.00 534.00 379.50 9999.00
1986 544.50 492.00 584.00 g 873.50 1183.00 1462.50 1508.00 1613.00 1155.50 900.03 a 608.00 375.50 9999.00
1987 328.00 444.50 608.50 1008.50 1189.00 1447.50 1504.00 1516.50 1285.00 1129.00 572.00 267.00 9999.00
1988 324.00 499.00 705.50 873.00 1165.50 1431.00 1637.50 1534.00 1256.00 1171.50 0.00 z 370.50 9999.00
1989 323.00 491.50 803.79 c 1086.00 1213.00 1385.00 969.00 m 1534.50 1346.00 1023.50 663.50 0.00 z 9869.79
1990 0.00 z 392.50 686.17 e 0.00 z 1082.33 b 1467.78 c 1565.50 1449.50 1316.00 1035.50 638.50 313.50 9947.28
1991 360.00 603.50 521.50 0.00 z 322.50 v 0.00 z 1572.00 1566.50 1340.50 1125.00 612.00 436.50 8137.50
1992 383.50 558.00 657.50 984.00 1220.50 1351.00 1522.32 c 1532.50 1373.00 1104.00 521.50 296.50 9999.00
1993 455.00 436.00 700.00 0.00 z 1280.09 b 1374.50 1531.00 1533.50 1321.50 1041.00 527.50 378.50 9999.00
1994 395.00 421.00 728.50 910.50 1133.50 1492.50 1635.50 1687.00 1353.50 951.00 474.00 400.00 9999.00
1995 372.00 598.50 709.50 803.50 1075.50 1315.00 1624.00 1666.50 1457.00 1076.00 746.00 438.00 9999.00
1996 394.50 601.00 718.00 958.00 1254.39 c 1502.50 1713.00 1647.50 1279.14 a 1021.00 644.00 410.50 9999.00
1997 417.50 298.50 i 835.45 a 914.00 1378.00 1381.50 1607.98 d 1631.50 1425.00 994.50 613.50 256.00 i 9999.00
1998 397.50 339.50 631.00 755.00 603.50 n 0.00 z 1656.50 1662.50 1414.50 565.50 m 573.00 330.50 7760.00
1999 423.27 e 220.00 n 516.50 i 329.00 o 484.00 r 1451.11 c 1571.59 c 1616.65 a 1368.00 1107.00 411.50 j 161.50 o 7537.62
2000 120.50 w 511.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 511.00
2001 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
2002 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
2003 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
2004 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 546.50 403.00 949.50
2005 476.50 491.50 675.50 885.50 1234.00 1403.50 1673.50 1562.50 1356.50 1058.50 693.00 415.50 9999.00
2006 460.00 529.00 625.50 910.50 1288.50 1542.00 1722.00 1567.50 1268.50 1000.50 686.00 355.00 9999.00
2007 357.50 506.50 822.50 931.50 1263.50 1470.50 1661.50 1641.00 1395.00 1054.00 760.00 313.50 9999.00
2008 377.00 451.50 754.00 939.00 1131.50 1501.50 1648.00 1609.00 1392.00 1080.00 721.00 406.50 9999.00
2009 509.00 507.00 781.50 903.00 1373.00 1380.50 1731.00 1619.00 1413.50 973.50 714.00 340.00 9999.00
2010 467.00 495.50 666.00 864.00 1117.00 1442.00 1693.50 1611.50 1439.00 1071.00 586.00 510.00 9999.00
2011 402.00 387.50 785.00 968.00 1140.50 1429.50 1663.00 1730.50 1437.50 1089.50 615.00 342.50 9999.00
2012 502.50 513.50 722.50 989.50 1291.00 1529.00 1616.00 1664.00 1389.50 1087.07 a 744.50 420.50 9999.00
2013 364.00 422.50 813.46 d 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 1599.96
Period of Record Statistics
MEAN 365.28 449.15 646.96 846.38 1140.18 1369.01 1594.66 1541.00 1314.66 988.04 589.02 381.60 11246.85
S.D. 83.83 84.34 91.96 91.33 95.14 86.41 57.88 70.24 70.37 87.30 81.17 71.21 541.18
SKEW -0.39 -0.15 0.08 0.05 0.09 -0.08 0.14 0.22 -0.22 -0.44 -0.09 0.15 0.27
MAX 554.50 603.50 894.00 1086.00 1378.00 1544.00 1731.00 1730.50 1457.00 1171.50 760.00 592.00 12469.57
MIN 121.42 258.22 442.27 656.50 890.06 1168.50 1452.00 1390.41 1150.00 726.00 421.00 255.50 9999.00
NO YRS 88 88 84 85 84 85 86 84 86 89 86 86 62