POINT ARENA, CALIFORNIA

Monthly Total Growing Degree Days

(047009)

Base Temperature = 40 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 198804
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1949 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
1950 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
1951 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
1952 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
1953 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
1954 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
1955 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
1956 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
1957 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 421.50 j 544.50 354.50 292.50 1191.50
1958 321.00 365.00 292.00 381.50 514.00 642.50 610.00 588.50 644.00 501.17 a 402.50 387.50 5649.67
1959 321.88 a 217.50 346.00 391.50 438.00 360.50 i 563.00 579.50 567.00 540.00 355.00 274.00 4593.38
1960 240.00 257.00 343.50 356.00 436.00 509.00 509.50 508.00 477.50 484.50 330.00 282.00 4733.00
1961 283.50 289.50 307.00 344.00 429.00 541.00 561.50 596.50 536.50 456.50 316.00 208.00 4869.00
1962 210.50 223.50 248.50 349.00 394.00 420.50 474.50 551.00 481.50 465.00 356.50 274.50 4449.00
1963 181.00 385.50 284.00 311.50 442.00 441.00 532.50 529.00 609.00 535.00 373.00 302.50 4926.00
1964 204.50 236.50 203.50 242.50 320.50 470.50 515.00 561.62 a 482.50 495.00 348.50 300.00 4380.62
1965 280.50 216.00 310.50 336.72 a 346.50 413.50 493.50 618.50 500.69 a 605.53 a 443.00 273.00 4837.95
1966 251.50 214.48 c 285.64 c 347.14 b 385.43 a 498.50 541.00 518.39 d 603.50 542.00 376.61 b 330.67 a 4894.86
1967 288.50 265.50 275.90 a 222.41 a 415.50 361.00 f 518.50 393.50 h 651.00 588.50 462.41 a 233.00 3921.23
1968 245.70 d 360.50 353.50 322.50 377.00 f 494.00 551.00 559.50 f 590.17 a 483.00 346.07 b 246.45 a 3992.90
1969 221.00 213.50 309.50 343.50 424.00 513.00 544.50 532.50 550.50 525.00 431.50 396.00 5004.50
1970 356.50 a 260.50 g 356.50 305.00 454.00 381.96 b 464.45 c 518.50 558.89 c 494.00 428.00 269.50 4587.30
1971 227.16 b 248.89 a 282.00 267.00 408.50 478.50 533.50 650.45 c 624.23 d 311.00 g 191.00 l 143.00 f 3720.22
1972 197.50 285.50 379.00 332.00 401.00 478.97 a 598.00 617.00 530.00 511.00 378.00 260.50 4968.47
1973 243.35 a 353.00 285.50 275.50 f 421.00 0.00 z 0.00 z 0.00 z 348.00 l 0.00 z 0.00 z 0.00 z 1302.85
1974 0.00 z 0.00 z 0.00 z 325.50 398.50 444.00 550.50 533.00 541.00 427.50 291.50 222.50 3734.00
1975 167.50 187.00 286.00 227.50 383.50 445.34 a 521.12 b 514.50 493.50 407.65 a 237.00 203.50 4074.12
1976 148.50 185.00 191.50 261.00 404.00 441.00 574.00 582.00 551.50 484.00 401.00 214.00 4437.50
1977 200.00 279.00 248.50 317.50 403.50 487.00 514.00 617.00 539.50 452.00 330.00 332.98 b 4720.98
1978 357.00 316.00 487.50 338.00 438.50 521.50 539.92 a 575.00 588.50 486.50 247.50 127.10 a 5023.02
1979 208.50 250.50 337.50 377.00 447.00 450.52 a 577.00 596.00 691.50 561.10 a 349.50 307.50 5153.62
1980 281.07 a 361.46 a 315.00 371.00 407.50 480.50 554.50 525.00 535.00 464.00 347.50 293.00 4935.53
1981 357.50 0.00 z 326.50 0.00 z 0.00 z 532.00 0.00 z 578.00 550.50 440.72 a 419.00 338.50 3542.72
1982 167.00 263.50 275.00 312.50 410.00 478.00 557.50 603.00 555.50 502.00 324.50 244.00 4692.50
1983 293.00 354.50 388.00 332.50 470.50 533.00 612.50 656.00 621.50 570.00 365.50 343.00 5540.00
1984 295.00 229.00 381.00 329.50 463.50 460.50 563.00 595.00 594.50 437.00 321.50 198.50 4868.00
1985 182.00 212.00 252.00 373.50 420.50 540.50 587.00 566.00 552.50 473.50 207.00 234.00 4600.50
1986 360.00 340.50 409.50 356.00 426.50 564.00 539.00 571.50 494.00 482.50 347.50 277.00 5168.00
1987 218.50 274.50 331.50 421.00 501.50 500.50 598.00 587.00 532.50 551.50 367.00 256.50 5140.00
1988 261.50 287.50 308.00 365.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1222.00
Period of Record Statistics
MEAN 252.37 274.01 313.33 329.65 421.59 487.46 546.37 572.91 560.29 500.37 353.71 273.18 4866.67
S.D. 62.01 59.65 60.80 47.88 40.16 53.34 37.55 40.96 54.45 49.13 58.85 58.26 361.29
SKEW 0.28 0.38 0.51 -0.68 -0.03 0.62 -0.19 0.14 0.44 0.26 -0.52 -0.04 0.07
MAX 360.00 385.50 487.50 421.00 514.00 642.50 612.50 656.00 691.50 605.53 462.41 396.00 5649.67
MIN 148.50 185.00 191.50 222.41 320.50 381.96 464.45 508.00 477.50 407.65 207.00 127.10 4074.12
NO YRS 30 28 30 29 28 27 28 27 29 29 29 29 22