HAYFIELD RESERVOIR, CALIFORNIA

Monthly Total Growing Degree Days

(043855)

Base Temperature = 50 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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 1173.72 b 1222.50 1029.50 673.50 229.00 43.00 4371.22
1949 1.50 63.50 212.50 622.00 724.00 1053.00 1213.00 1150.50 1089.50 588.50 467.50 94.50 7280.00
1950 67.00 227.00 367.50 668.00 725.50 968.00 1229.50 1187.50 946.00 789.50 420.00 285.00 7880.50
1951 83.00 128.00 327.57 a 492.00 757.00 924.50 1248.50 1173.00 1029.00 686.00 238.50 64.50 7151.57
1952 30.00 128.50 147.50 495.00 893.50 872.00 1206.00 1287.00 1051.50 834.00 231.50 81.50 7258.00
1953 245.00 163.50 302.50 480.50 453.00 f 907.50 1330.00 1196.50 1001.50 721.50 379.29 b 162.50 6890.29
1954 81.50 353.50 230.00 673.50 858.91 b 974.50 1284.00 1116.00 1000.50 740.50 456.50 132.50 7901.91
1955 41.00 93.50 310.00 427.50 707.00 938.50 1165.50 1191.50 997.50 768.00 324.50 171.50 7136.00
1956 169.00 63.00 348.23 a 454.00 771.00 1027.00 1186.50 1106.00 1096.50 602.00 324.00 190.00 7337.23
1957 63.03 a 281.00 341.00 503.00 614.00 1102.50 1278.00 1167.50 974.50 553.00 189.50 146.00 7213.03
1958 143.12 a 225.00 171.02 a 536.00 910.00 1004.00 1201.50 1274.00 1053.00 799.00 339.00 220.50 7876.13
1959 163.78 a 101.50 443.00 634.50 705.50 1069.50 1339.00 1171.50 907.50 738.00 355.50 131.50 7760.78
1960 37.41 b 110.50 342.50 h 577.50 746.50 1089.83 a 1282.00 1217.86 c 1045.96 d 662.00 325.50 125.55 a 7220.61
1961 214.86 b 244.50 350.50 574.00 727.50 1092.00 1270.00 1224.00 897.00 642.00 268.00 124.50 7628.86
1962 209.50 181.00 180.00 693.50 675.05 b 942.22 c 1227.50 1265.12 b 1024.66 a 673.45 b 410.00 211.00 7693.00
1963 55.50 354.00 308.50 394.50 816.00 889.00 1214.50 1204.00 1039.50 748.00 340.00 136.50 7500.00
1964 67.00 144.00 243.19 b 468.00 692.00 925.00 1232.00 1202.00 942.00 849.92 a 232.50 155.00 7152.61
1965 168.50 189.00 207.50 452.50 710.00 828.10 a 1211.50 1203.00 831.50 773.00 343.50 109.50 7027.60
1966 67.00 79.00 375.50 635.00 825.50 1004.00 1219.00 1240.00 963.00 640.50 313.00 165.50 7527.00
1967 116.50 234.89 a 337.00 238.00 709.50 844.50 1274.50 1276.00 931.00 722.50 388.00 113.50 7185.89
1968 122.50 337.50 394.00 462.50 770.50 978.00 1169.00 1060.00 961.00 632.00 347.00 49.00 7283.00
1969 189.00 70.50 315.00 522.50 767.00 865.00 1218.00 1333.00 1031.50 615.50 359.50 125.50 7412.00
1970 128.00 234.89 a 321.37 a 369.50 802.00 1013.00 1283.50 1266.50 907.50 562.50 294.50 68.00 7251.26
1971 206.15 a 214.50 362.18 a 441.21 a 601.00 929.00 1268.50 1187.50 967.50 490.00 214.50 41.33 d 6923.37
1972 53.73 a 248.50 567.19 d 534.81 d 767.25 a 996.43 b 1307.34 b 1145.34 c 913.97 a 535.02 b 198.00 111.60 a 7379.17
1973 44.50 138.00 183.50 465.50 833.50 1112.59 a 1254.50 1171.00 919.00 675.80 a 281.25 b 149.00 7228.14
1974 64.50 157.11 a 345.65 a 538.50 765.50 1106.00 1222.50 1157.16 b 1040.50 685.50 302.68 b 92.43 d 7478.02
1975 106.20 d 55.50 h 135.50 g 279.00 709.90 a 962.59 a 1223.00 1150.50 1005.00 601.00 292.00 172.57 a 6501.76
1976 214.50 196.02 b 288.50 381.50 809.62 a 992.50 1201.00 1062.00 849.83 a 663.50 378.10 a 12.00 u 7037.07
1977 117.50 289.50 184.50 541.50 559.55 a 1036.50 1250.16 b 1205.50 956.50 736.50 375.00 213.00 7465.71
1978 96.21 b 163.50 367.35 a 410.00 725.00 1058.28 a 1240.50 1157.00 945.00 821.50 257.14 b 38.75 a 7280.23
1979 32.00 97.00 246.45 a 486.50 748.50 1019.50 1182.50 1058.00 1039.50 682.00 c 232.50 148.59 b 6973.04
1980 183.50 240.00 230.00 456.96 b 585.50 922.50 1281.00 1154.00 976.50 707.00 365.50 262.00 7364.46
1981 201.00 228.00 285.00 591.50 769.50 1156.00 1284.00 1283.00 1039.50 590.60 b 366.50 192.50 7987.10
1982 86.00 222.50 295.50 502.00 733.50 872.50 1154.00 1185.00 905.00 598.50 229.00 58.50 6842.00
1983 185.00 191.50 299.50 318.50 751.50 906.00 1178.50 1097.50 1032.50 661.50 298.00 132.00 7052.00
1984 194.00 199.50 389.00 444.50 936.00 964.50 1188.50 1142.50 1005.00 516.50 220.50 52.00 7252.50
1985 53.50 174.50 256.50 584.00 774.50 1045.00 1264.00 1171.50 768.50 602.50 239.00 183.00 7116.50
1986 214.50 254.00 432.50 508.50 775.00 1065.50 1106.50 1249.50 779.00 582.00 379.00 113.50 7459.50
1987 51.00 184.00 273.00 648.50 764.00 1048.50 1117.00 1190.00 979.50 760.50 268.00 55.50 7339.50
1988 90.00 237.50 400.50 489.00 779.50 976.50 1262.50 1162.00 924.00 807.00 301.50 153.50 7583.50
1989 95.50 176.50 463.50 736.00 809.50 1011.00 1302.00 1131.50 947.50 648.50 409.50 201.50 7932.50
1990 83.00 138.00 389.00 594.50 722.00 1065.00 1253.00 1146.00 983.50 662.50 355.00 76.00 7467.50
1991 77.00 299.00 173.00 473.50 701.00 886.50 1176.50 1142.00 988.50 774.00 323.00 98.00 7112.00
1992 124.50 251.50 278.50 583.50 831.50 941.50 1151.50 1215.50 996.00 673.50 261.00 42.00 7350.50
1993 93.50 131.00 426.50 587.50 825.00 960.50 1056.00 1125.00 917.50 647.50 192.00 57.00 7019.00
1994 127.00 74.00 412.50 572.00 733.00 1122.50 1255.50 1303.00 1036.50 591.00 127.50 91.00 7445.50
1995 97.00 322.50 337.50 476.50 647.50 920.00 1218.50 1292.50 1068.50 670.00 403.50 177.00 7631.00
1996 174.00 291.00 386.00 596.00 860.00 1008.00 1310.00 1251.00 945.00 653.00 349.00 109.50 7932.50
1997 120.50 171.50 471.50 535.00 1016.50 961.50 1148.00 1299.50 1037.50 623.00 330.00 57.00 7771.50
1998 105.50 74.00 281.00 373.50 612.00 0.00 z 1307.50 1297.00 966.50 603.50 293.00 126.00 6039.50
1999 186.50 183.50 326.00 387.00 756.00 962.00 1190.50 1213.50 1045.00 829.00 401.00 202.50 7682.50
2000 189.00 193.00 393.70 a 645.00 920.50 1087.50 1217.50 1237.00 963.10 a 578.50 129.00 112.12 a 7665.92
2001 47.50 93.33 a 369.00 442.50 974.43 a 1083.62 a 1158.50 1236.50 1043.00 735.50 395.00 27.00 7605.89
2002 75.00 163.00 280.50 570.00 764.50 1073.50 1314.50 1153.00 1008.00 593.00 346.50 85.00 7426.50
2003 267.00 164.50 380.00 424.50 808.00 1022.50 1319.00 1236.00 1071.00 612.50 i 178.00 123.00 6993.50
2004 97.00 121.50 574.50 576.50 842.50 1013.00 1235.50 1230.00 992.07 a 587.00 208.50 112.00 7590.07
2005 142.00 142.50 336.50 0.00 z 834.50 939.50 1263.00 1202.50 366.50 r 648.50 387.50 113.00 6009.50
2006 86.00 190.50 164.82 a 394.50 862.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1697.82
Period of Record Statistics
MEAN 118.02 186.39 322.93 508.13 768.72 991.79 1229.65 1196.13 979.06 671.05 307.99 124.31 7416.28
S.D. 62.87 75.45 94.18 103.37 91.42 77.94 58.89 63.60 69.95 85.51 79.25 58.51 288.87
SKEW 0.42 0.32 0.29 -0.19 0.20 -0.04 -0.43 -0.07 -0.92 0.23 -0.27 0.48 0.18
MAX 267.00 354.00 574.50 736.00 1016.50 1156.00 1339.00 1333.00 1096.50 849.92 467.50 285.00 7987.10
MIN 1.50 63.00 147.50 238.00 559.55 828.10 1056.00 1058.00 768.50 490.00 127.50 27.00 6842.00
NO YRS 58 57 56 57 57 56 58 58 57 57 58 57 50