PORTERVILLE, CALIFORNIA

Monthly Total Growing Degree Days

(047077)

Base Temperature = 40 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200406
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 1167.15 a 1105.00 952.50 721.00 326.50 140.00 4412.15
1949 47.00 186.00 438.50 731.00 851.50 1117.00 1253.50 1121.50 1049.00 704.00 559.00 175.50 8233.50
1950 149.00 374.50 409.00 709.50 898.50 1021.00 1361.00 1241.50 991.00 813.00 571.00 363.00 8902.00
1951 217.00 305.00 475.00 680.50 893.50 1061.50 1231.00 1187.00 1055.00 715.00 434.50 186.00 8441.00
1952 198.50 304.00 331.00 647.00 941.50 887.00 1277.50 1191.00 1041.00 880.00 363.00 228.50 8290.00
1953 339.50 282.00 451.00 575.00 678.50 894.50 1291.50 1087.00 1050.50 708.50 447.50 176.00 7981.50
1954 218.00 295.00 391.50 742.50 737.50 g 971.50 1296.50 1075.00 943.00 754.00 418.50 174.50 7280.00
1955 89.50 232.50 458.50 499.50 805.50 979.50 1124.50 1251.00 1042.00 819.00 378.50 318.00 7998.00
1956 310.50 198.00 492.50 602.50 877.50 1053.00 1273.00 1141.00 1067.00 716.50 440.50 197.00 8369.00
1957 119.50 411.50 496.00 647.07 a 810.00 1165.00 1298.00 1166.50 1056.50 739.00 400.50 206.00 8515.57
1958 224.00 426.00 388.00 614.50 955.50 1020.50 1275.00 1388.00 1070.00 952.50 466.50 340.00 9120.50
1959 316.00 293.48 a 612.50 806.50 797.50 1156.15 d 1369.50 1212.50 984.50 852.50 471.50 255.50 9128.13
1960 244.00 318.50 594.00 644.00 838.50 1249.50 1324.06 e 1213.50 1093.00 750.50 382.50 140.00 8792.06
1961 145.00 377.50 459.00 716.50 774.00 1222.50 1357.50 1325.00 1001.00 782.50 386.50 158.00 8705.00
1962 82.50 273.50 407.00 776.50 773.50 1070.00 1275.50 1195.50 1055.50 739.50 485.50 279.50 8414.00
1963 108.00 478.00 443.50 482.00 881.50 993.00 1195.50 1204.50 1080.00 802.00 435.50 55.00 8158.50
1964 163.50 277.00 408.00 607.00 778.00 999.00 1270.50 1236.50 934.50 888.00 306.00 316.50 8184.50
1965 222.50 296.50 509.50 626.00 862.00 948.50 1219.50 1230.00 897.50 870.00 514.00 103.00 8299.00
1966 176.00 237.50 541.00 825.00 998.50 1083.50 1204.50 1296.00 987.50 798.50 533.50 195.50 8877.00
1967 209.00 243.00 480.00 351.50 891.50 998.50 1388.00 1402.50 1104.50 810.50 590.00 136.50 8605.50
1968 190.50 474.50 561.50 680.00 857.00 1112.50 1277.50 1065.00 972.00 762.00 396.50 184.00 8533.00
1969 206.50 236.50 458.50 635.50 955.00 974.50 1295.00 1304.50 1089.00 633.00 476.00 291.50 8555.50
1970 327.00 365.00 508.50 528.50 952.00 1115.00 1349.00 1252.50 984.00 776.00 501.50 214.00 8873.00
1971 174.50 230.00 456.00 565.00 759.50 1038.50 1361.50 1345.50 1045.00 745.79 e 353.00 132.50 8206.79
1972 45.00 373.00 662.50 652.00 968.50 1155.00 1336.00 1236.00 980.50 717.00 312.50 124.50 8562.50
1973 213.50 388.50 360.50 688.50 1067.50 1202.00 1297.50 1243.00 1010.50 760.50 424.50 230.50 8887.00
1974 259.00 262.00 509.00 597.00 928.50 1135.50 1310.00 1265.50 1155.00 831.00 415.00 166.00 8833.50
1975 130.00 321.00 442.00 485.00 939.50 1124.50 1271.00 1203.00 1151.00 761.50 385.50 205.50 8419.50
1976 230.00 363.00 448.00 541.00 985.50 1051.50 1284.50 1069.00 1031.50 823.50 483.00 228.50 8539.00
1977 134.00 368.00 373.00 744.00 678.50 1177.50 1255.00 1260.50 1024.00 840.50 454.00 385.50 8694.50
1978 354.00 341.00 622.00 584.50 902.50 1062.00 1269.50 1238.50 956.38 a 942.00 379.50 96.00 8747.88
1979 232.50 297.00 520.00 624.31 a 990.50 1151.00 1283.00 1202.00 1135.00 857.00 440.00 340.00 9072.31
1980 347.50 445.00 476.00 684.50 840.50 984.50 1337.00 1239.00 1032.50 890.00 487.50 266.50 9030.50
1981 313.50 376.50 511.50 702.00 948.00 1244.00 1343.50 1303.50 1132.50 728.50 527.00 305.50 9436.00
1982 163.00 381.00 454.00 616.50 961.00 1008.50 1237.00 1244.50 999.00 783.50 339.50 227.00 8414.50
1983 181.50 376.00 530.00 567.50 911.00 1063.00 1164.00 1296.50 1146.50 863.50 478.50 349.00 8927.00
1984 267.00 362.00 595.50 604.50 1024.00 1079.50 1381.00 1288.00 1188.00 704.00 446.50 209.50 9149.50
1985 144.00 328.50 455.50 814.00 907.50 1224.50 1397.00 1224.00 968.00 796.50 390.00 154.50 8804.00
1986 415.00 451.00 661.00 694.00 953.50 1153.50 1255.00 1332.50 920.50 812.50 509.50 235.50 9393.50
1987 182.00 358.00 507.00 856.50 999.50 1177.50 1155.00 1243.00 1087.00 957.00 420.50 226.00 9169.00
1988 233.50 425.50 583.00 701.00 865.00 1065.00 1398.00 1265.50 1087.00 941.00 465.00 209.50 9239.00
1989 148.00 300.00 606.50 856.00 929.00 1120.50 1316.50 1214.50 1036.50 813.50 473.50 156.50 8971.00
1990 237.50 264.00 595.00 799.00 897.00 1095.00 1368.50 1259.50 1058.50 901.00 441.00 146.50 9062.50
1991 235.00 481.00 386.50 625.50 827.00 1056.00 1346.00 1207.00 1201.50 973.00 484.50 229.50 9052.50
1992 97.50 468.00 577.50 786.50 1101.50 1095.50 1206.00 1304.50 1064.50 888.50 438.00 183.00 9211.00
1993 237.50 362.00 605.00 638.00 920.00 1011.50 1192.00 1218.00 1054.50 866.50 433.50 218.50 8757.00
1994 234.50 287.00 620.50 692.00 863.50 1115.00 1374.00 1303.00 1078.50 786.00 313.00 215.00 8882.00
1995 409.00 441.00 555.50 662.50 837.00 1039.50 1293.00 1322.50 1122.50 908.50 633.00 407.00 9631.00
1996 315.00 479.50 604.50 749.00 983.50 1169.50 1425.50 1363.50 1063.50 811.00 493.50 340.00 9798.00
1997 369.00 386.00 692.50 733.00 1109.00 1109.00 1286.50 1289.00 1154.50 798.50 561.50 207.50 9696.00
1998 372.00 366.50 548.00 607.50 732.00 1003.00 1350.50 1363.50 1102.50 742.50 426.50 210.50 8825.00
1999 208.50 349.00 490.50 589.00 876.00 1070.50 1281.00 1207.50 1134.00 929.00 553.50 280.50 8969.00
2000 367.50 452.50 557.50 767.59 a 992.00 1224.50 1255.50 1322.50 1064.00 817.00 344.00 324.00 9488.59
2001 294.00 313.00 645.00 615.00 1149.50 1177.50 1293.50 1303.50 1130.50 938.00 552.00 282.00 9693.50
2002 212.50 392.50 501.00 729.50 920.50 1169.00 1372.00 1248.00 1133.00 791.50 509.50 335.00 9314.00
2003 365.00 355.00 593.50 585.50 912.50 1126.50 1397.00 1279.50 1197.50 959.00 0.00 z 336.50 9107.50
2004 220.50 350.00 730.00 752.00 966.00 1119.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4138.00
2005 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
2006 0.00 z 0.00 z 0.00 z 533.57 b 925.00 1136.38 a 840.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2594.95
Period of Record Statistics
MEAN 225.81 346.06 514.10 659.14 904.33 1088.23 1294.07 1242.82 1056.19 815.47 448.24 228.53 8827.42
S.D. 90.74 75.64 90.16 100.70 97.20 84.88 68.60 77.31 71.71 80.07 74.64 79.53 446.96
SKEW 0.18 -0.01 0.20 -0.27 0.00 -0.19 -0.33 -0.41 -0.04 0.21 0.13 0.27 0.19
MAX 415.00 481.00 730.00 856.50 1149.50 1249.50 1425.50 1402.50 1201.50 973.00 633.00 407.00 9798.00
MIN 45.00 186.00 331.00 351.50 678.50 887.00 1124.50 1065.00 897.50 633.00 306.00 55.00 7981.50
NO YRS 56 56 56 57 56 57 56 56 56 56 55 56 53