REDDING, CALIFORNIA

Monthly Total Growing Degree Days

(047296)

Base Temperature = 40 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 197904
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
1931 165.50 j 347.00 551.50 728.00 1052.00 1056.00 1486.50 1343.00 986.50 753.00 365.50 111.00 8780.00
1932 156.00 254.00 528.00 523.50 851.50 1184.50 1306.50 1295.00 1221.50 842.50 549.00 122.50 8834.50
1933 90.50 185.50 440.50 649.50 705.50 1086.50 1478.50 1368.00 992.00 993.00 674.00 160.00 8823.50
1934 293.00 342.00 708.50 787.50 938.00 1097.00 1302.50 1336.00 1131.00 773.50 409.00 275.00 9393.00
1935 192.56 e 289.00 274.50 578.00 871.50 1161.50 1235.50 1329.50 1129.00 718.00 400.00 287.00 8466.06
1936 278.50 230.00 542.00 645.00 866.00 1012.50 1336.50 1339.00 1146.50 950.00 632.50 230.50 9209.00
1937 3.50 135.85 a 431.50 482.00 903.50 1009.00 1386.00 1318.50 1056.50 782.00 436.50 376.00 8320.85
1938 285.50 207.00 262.00 543.00 883.50 1174.50 1353.50 1266.50 1101.50 695.00 403.00 348.00 8523.00
1939 250.50 187.50 481.50 770.69 a 860.00 1063.50 1339.00 1325.00 1058.50 837.00 582.50 309.48 a 9065.17
1940 248.50 289.00 505.50 607.00 956.00 1247.00 1250.00 1311.00 906.50 757.50 411.50 344.50 8834.00
1941 270.50 314.50 526.50 524.50 778.00 940.50 1348.50 1166.50 960.00 714.50 499.50 221.50 8265.00
1942 253.00 239.00 414.50 468.00 652.50 1041.50 1328.50 1289.50 1051.00 874.50 396.00 167.50 8175.50
1943 246.00 350.00 441.50 591.50 875.50 892.50 1316.50 1164.50 1184.00 709.50 515.50 308.50 8595.50
1944 194.27 a 215.50 492.00 453.00 829.00 896.00 1286.00 1247.00 1177.50 854.50 331.00 314.00 8289.77
1945 202.50 322.50 304.00 620.50 730.50 1026.00 1382.00 1205.00 1116.00 843.00 316.00 190.50 8258.50
1946 199.00 163.50 394.00 647.50 830.00 928.50 1274.00 1250.50 985.00 623.00 326.00 229.50 7850.50
1947 159.00 364.00 516.50 715.00 1026.00 978.00 1169.50 1113.50 1051.50 691.00 403.50 191.00 8378.50
1948 397.00 224.50 263.50 312.00 640.00 989.00 1226.00 1157.50 691.50 m 114.00 y 391.00 83.50 5684.00
1949 67.00 151.00 331.50 749.00 842.00 1138.00 1276.50 1111.00 1016.00 733.00 560.00 154.00 8129.00
1950 32.03 a 270.50 358.00 671.50 921.00 1049.50 1349.50 1291.00 1022.00 687.50 475.00 253.00 8380.53
1951 113.50 236.00 433.48 a 682.50 863.50 1135.50 1292.50 1258.50 1114.00 706.50 362.00 175.00 8372.98
1952 89.00 259.00 321.00 688.50 915.50 923.00 1400.50 1237.00 1154.00 950.50 409.50 148.50 8496.00
1953 323.00 365.00 448.00 589.14 a 648.00 914.00 1339.50 1161.50 1135.50 755.00 385.00 306.50 8370.14
1954 195.00 369.00 367.50 722.50 968.00 963.00 1289.00 1117.50 950.50 728.50 386.00 147.00 8203.50
1955 173.00 254.00 461.00 466.00 942.00 1106.00 1217.00 1320.00 1113.50 858.50 391.00 244.90 a 8546.90
1956 222.00 213.00 483.00 634.00 881.00 1115.00 1357.00 1236.00 1063.97 a 727.50 524.00 332.00 8788.47
1957 131.50 378.00 455.00 663.50 846.50 1189.00 1299.50 1166.50 1074.00 661.33 a 407.50 230.29 c 8502.62
1958 248.53 b 318.77 b 322.50 591.21 a 937.50 1040.17 a 1338.50 1411.00 1139.50 924.50 481.00 467.50 9220.68
1959 293.50 285.00 591.07 a 803.50 838.50 1201.50 1429.50 1276.00 997.50 887.12 a 560.00 293.50 9456.68
1960 153.97 a 292.07 a 518.00 580.00 760.53 a 1258.00 1431.50 1289.08 a 1107.00 765.50 339.31 a 261.00 8755.96
1961 221.50 366.00 397.00 725.50 750.00 1236.00 1411.53 a 1325.50 1043.79 a 820.00 393.50 193.50 8883.83
1962 318.50 244.00 376.50 798.50 810.00 1137.50 1389.00 1290.63 a 1104.50 782.50 492.00 339.00 9082.63
1963 180.50 469.00 401.00 411.50 897.00 1088.50 1245.50 1267.50 1155.00 814.50 379.50 185.50 8495.00
1964 194.00 407.50 434.00 653.00 0.00 z 1021.03 a 1374.85 a 1320.00 1059.00 931.50 327.00 279.00 8000.88
1965 269.00 357.50 544.50 568.00 909.00 1068.00 1351.27 c 1257.50 991.55 a 983.00 417.00 117.28 a 8833.60
1966 194.00 216.00 465.50 803.00 1053.50 1156.50 1257.00 1383.00 1131.00 919.00 458.00 228.00 9264.50
1967 240.50 388.00 350.50 287.00 959.00 1119.50 1442.00 1498.50 1203.00 876.00 566.00 235.00 9165.00
1968 195.50 0.00 z 538.00 697.00 894.50 1200.50 0.00 z 1162.50 0.00 z 795.50 385.00 100.50 5969.00
1969 99.00 132.00 470.00 601.50 1040.00 1077.50 1415.00 1395.50 1165.50 747.00 536.50 345.00 9024.50
1970 288.50 430.00 528.00 534.50 1006.50 1169.00 1414.50 1319.00 1114.50 782.00 435.00 151.50 9173.00
1971 216.50 313.50 348.00 545.00 761.50 1042.00 1421.50 1406.50 1106.50 772.00 397.00 108.50 8438.50
1972 188.50 330.00 605.50 574.00 956.50 1192.00 1389.00 1354.50 1023.50 773.00 341.50 116.00 8844.00
1973 131.00 339.50 368.50 727.00 1079.50 0.00 z 1442.00 1267.50 1062.00 770.00 282.00 247.00 7716.00
1974 224.00 290.00 442.50 558.00 944.00 1183.50 1328.50 1341.50 0.00 z 890.50 411.00 194.00 7807.50
1975 257.50 225.00 357.00 440.00 945.00 1132.00 1312.00 1239.50 1245.00 704.22 a 346.00 320.50 8523.72
1976 317.00 278.50 433.50 504.50 1006.50 1069.50 1334.03 a 1069.00 1057.50 840.00 563.50 362.00 8835.53
1977 188.77 c 443.00 396.00 785.00 688.72 a 1278.50 1342.50 1328.50 975.50 802.00 415.50 305.50 8949.48
1978 318.00 329.50 581.00 511.50 912.50 0.00 z 1388.00 1352.00 996.00 996.00 388.50 156.00 7929.00
1979 191.00 233.50 479.00 507.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1411.00
Period of Record Statistics
MEAN 208.23 288.42 442.53 606.52 877.16 1086.70 1342.22 1276.65 1079.46 804.16 434.52 234.73 8683.39
S.D. 80.30 80.99 95.28 123.04 109.61 101.19 70.89 89.63 77.25 92.83 88.54 88.07 385.99
SKEW -0.33 0.08 0.20 -0.39 -0.39 -0.16 -0.14 -0.28 -0.04 0.39 0.76 0.25 0.15
MAX 397.00 469.00 708.50 803.50 1079.50 1278.50 1486.50 1498.50 1245.00 996.00 674.00 467.50 9456.68
MIN 3.50 132.00 262.00 287.00 640.00 892.50 1169.50 1069.00 906.50 623.00 282.00 83.50 7850.50
NO YRS 48 48 49 49 47 46 47 48 45 47 48 48 41