TWENTYNINE PALMS, CALIFORNIA

Monthly Total Growing Degree Days

(049099)

Base Temperature = 40 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200602
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1454.00 1463.00 1250.50 902.50 415.00 153.50 5638.50
1949 20.50 203.00 479.00 855.00 996.00 1272.00 1506.17 b 1427.00 1298.00 829.50 670.50 254.00 9810.67
1950 207.50 404.50 635.00 897.93 a 1028.50 1231.50 1510.50 1464.50 1180.50 1018.50 661.50 510.00 9999.00
1951 241.50 g 321.00 554.00 773.00 1006.50 1214.00 1531.50 1414.50 1255.50 682.00 g 461.00 228.88 a 8759.88
1952 172.50 338.50 390.50 745.00 1132.50 1140.50 1451.50 1539.50 1252.00 1092.50 409.50 276.93 a 9941.43
1953 448.50 351.50 569.00 762.50 844.00 1198.00 1587.00 1447.50 1260.00 916.50 592.00 367.50 9999.00
1954 290.50 561.00 476.00 957.00 1168.00 1266.50 1572.00 986.00 i 1254.00 982.50 666.50 325.50 9519.50
1955 197.88 a 260.50 596.00 685.00 984.00 1271.50 1451.00 1463.72 a 1249.50 996.50 559.00 403.50 9999.00
1956 436.50 302.00 646.50 763.00 1065.00 1340.50 1495.50 1399.50 1338.50 860.50 480.00 210.50 h 9999.00
1957 203.50 535.50 599.50 761.50 973.00 1377.50 1520.50 1433.50 1234.00 786.00 464.00 387.00 9999.00
1958 368.00 460.96 a 409.00 754.50 1187.50 1278.50 1460.00 1543.50 1262.50 990.50 509.00 414.00 9999.00
1959 392.00 304.00 667.50 913.00 996.00 1361.00 1632.00 1417.00 1157.50 932.50 535.00 308.50 9999.00
1960 160.00 297.00 675.00 821.00 1047.50 1408.50 1536.50 1470.00 1262.50 865.00 461.50 252.00 9999.00
1961 317.50 412.00 590.00 830.50 1001.50 1394.50 1581.00 1455.50 1107.00 839.50 411.00 229.50 9999.00
1962 341.00 360.50 391.00 934.50 951.50 1261.50 1477.00 1502.00 1264.00 923.00 600.50 346.50 9999.00
1963 208.50 556.00 527.50 628.00 1082.50 1156.50 1474.50 1438.50 1246.00 962.50 504.00 294.50 9999.00
1964 162.00 287.50 461.00 680.00 960.00 1197.50 1505.00 1467.50 1158.00 1053.50 365.50 338.50 9636.00
1965 348.50 376.50 476.00 678.00 960.00 1100.00 1455.50 1435.00 1063.00 999.00 547.00 229.00 9667.50
1966 193.00 235.50 593.50 845.50 1113.50 1267.00 1461.50 0.00 z 1190.00 851.00 528.50 305.50 8584.50
1967 300.00 439.00 634.50 486.50 1011.00 1141.50 1535.50 1489.50 1146.00 966.50 621.50 206.50 9978.00
1968 261.50 0.00 z 572.50 678.00 722.00 h 1243.45 a 1425.50 1326.50 1202.50 0.00 z 544.00 160.00 7413.95
1969 441.75 a 287.50 522.00 762.00 1113.50 1186.50 1492.00 1578.50 1288.50 795.00 508.00 334.50 9999.00
1970 312.50 436.00 527.00 573.00 1025.00 1228.50 1513.00 1497.50 1072.00 775.50 481.00 212.57 c 9653.57
1971 304.00 371.50 561.50 715.50 907.50 1234.00 1535.50 1491.00 1190.00 723.50 417.50 176.50 9628.00
1972 259.50 443.00 790.50 772.50 1025.58 a 1267.00 1571.00 1412.50 1134.50 719.00 371.50 205.00 9971.58
1973 167.50 335.50 412.50 697.00 1135.50 1342.00 1532.00 1424.50 1171.50 894.00 475.50 342.50 9930.00
1974 264.50 376.00 657.50 743.00 1101.50 1399.00 1482.50 1429.00 1309.00 936.50 501.72 a 263.00 9999.00
1975 308.00 308.50 482.00 549.31 a 1006.00 1268.00 1500.00 1407.50 1256.50 851.00 478.50 348.50 9763.81
1976 353.00 429.50 508.00 678.50 1119.00 1239.00 1498.00 1332.50 1121.50 865.50 571.00 267.00 9982.50
1977 266.00 452.00 438.50 843.00 848.00 1338.00 1511.00 1438.50 1171.00 971.00 605.50 454.50 9999.00
1978 296.50 382.50 633.00 704.00 1072.00 1335.50 1504.00 1440.50 1167.00 1057.50 462.50 187.00 9999.00
1979 164.00 295.00 534.50 762.00 1050.50 1305.50 1466.00 1337.00 1305.00 957.50 438.50 359.50 9975.00
1980 417.50 491.50 513.50 750.00 922.00 1238.50 1541.00 1439.50 1206.50 939.00 545.50 485.00 9999.00
1981 424.00 428.50 559.50 890.50 1077.00 1432.00 1512.50 1558.50 1278.50 857.00 561.50 387.50 9999.00
1982 266.50 427.00 516.00 756.50 1044.00 1193.00 1422.50 1442.00 1171.50 814.50 382.50 233.00 9669.00
1983 362.50 382.50 555.00 606.00 1021.50 1222.00 1429.00 1325.00 1244.00 876.50 495.50 360.50 9880.00
1984 370.00 355.50 644.00 740.00 1219.00 1257.50 1468.50 1444.50 1279.00 787.00 443.50 241.00 9999.00
1985 253.50 335.50 514.50 892.00 1100.50 1350.50 1520.00 1426.50 1034.00 889.50 431.00 350.00 9999.00
1986 460.00 462.00 698.50 770.00 1089.50 1351.00 1382.50 1490.00 1011.50 792.00 520.00 277.50 9999.00
1987 253.50 334.00 515.00 916.00 1041.00 1336.00 1386.00 1429.00 1210.50 978.50 430.50 182.00 9999.00
1988 281.00 441.00 600.50 755.50 1064.50 1274.00 1558.50 1441.00 1195.00 1080.00 517.00 286.00 9999.00
1989 223.00 357.00 752.00 987.00 1082.00 1284.50 1569.00 1392.50 1194.00 883.50 546.50 325.50 9999.00
1990 271.00 320.00 644.50 863.50 1017.50 1322.50 1536.50 1403.00 1236.50 912.50 507.00 157.50 9999.00
1991 271.00 510.00 0.00 z 765.50 978.50 0.00 z 1479.00 1430.00 1215.50 996.00 539.00 273.50 8458.00
1992 263.00 439.00 556.00 882.50 1149.00 1291.61 b 1463.00 1495.50 1279.00 973.00 439.50 0.00 z 9999.00
1993 282.50 329.50 685.50 848.00 1148.50 1262.50 1424.50 1455.50 1215.50 945.00 442.00 262.00 9999.00
1994 376.00 303.50 727.00 865.00 1059.50 1429.50 1589.50 1533.00 1269.50 854.00 290.00 264.50 9999.00
1995 297.50 535.50 573.00 743.50 927.50 1230.00 1513.00 1561.50 1323.50 941.50 680.00 264.50 p 9999.00
1996 382.00 505.00 662.50 849.00 1147.50 1338.50 1599.50 1514.00 1180.00 841.50 509.50 318.00 9999.00
1997 342.00 362.50 0.00 z 790.50 1295.50 1281.00 1451.00 1535.50 1273.50 867.50 532.50 253.00 9984.50
1998 0.00 z 314.00 546.00 646.50 891.50 0.00 z 0.00 z 0.00 z 0.00 z 840.00 519.50 324.50 4082.00
1999 0.00 z 398.50 605.00 633.50 1050.00 1251.00 1437.88 a 1438.00 1245.52 a 979.50 583.00 363.50 9985.40
2000 454.00 439.14 a 619.00 927.00 1237.50 1389.00 1531.50 1499.50 1222.00 858.50 379.00 402.00 9999.00
2001 268.50 312.50 689.50 745.00 1321.63 a 1379.00 1475.00 1545.50 1309.50 1023.00 597.50 245.50 9999.00
2002 293.00 411.50 547.00 862.50 1087.00 1376.00 1607.50 1463.00 1256.00 856.00 565.00 240.50 9999.00
2003 482.50 356.50 627.50 676.50 1116.00 1330.00 1602.50 1465.50 1271.00 1068.00 349.00 223.50 9999.00
2004 255.00 247.50 744.50 769.50 1052.00 1249.00 1454.50 1353.50 1101.00 740.00 297.00 311.50 9575.00
2005 369.00 365.50 624.00 739.50 1129.50 1257.00 1602.50 1444.00 1157.00 922.00 651.67 c 393.00 9999.00
2006 379.00 480.48 c 0.00 z 753.21 b 1227.00 1423.00 763.00 p 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4262.69
Period of Record Statistics
MEAN 299.35 381.91 576.90 770.23 1059.81 1285.96 1505.01 1452.95 1213.99 907.67 501.25 296.41 10234.43
S.D. 93.11 82.87 92.37 103.83 99.43 77.79 57.64 58.56 72.56 90.82 90.07 82.45 381.99
SKEW -0.21 0.25 0.01 -0.24 0.25 -0.04 0.14 -0.07 -0.78 0.00 -0.10 0.39 0.08
MAX 482.50 561.00 790.50 987.00 1321.63 1432.00 1632.00 1578.50 1338.50 1092.50 680.00 510.00 10967.00
MIN 20.50 203.00 390.50 486.50 844.00 1100.00 1382.50 1325.00 1011.50 719.00 290.00 153.50 9575.00
NO YRS 55 57 55 58 57 56 57 55 57 56 58 55 46