POINT GRENVILLE, WASHINGTON

Monthly Total Growing Degree Days

(456584)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 197912
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
1947 0.00 z 0.50 z 0.00 z 270.00 391.12 a 466.00 546.50 580.45 b 0.00 z 362.00 171.50 f 0.00 z 2616.06
1948 87.00 29.50 80.50 156.50 332.50 335.00 k 536.50 523.50 0.00 z 0.00 z 0.00 z 0.00 z 1746.00
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 89.50 222.50 332.50 381.50 488.00 525.50 511.00 404.50 181.50 114.50 3251.00
1953 152.00 70.00 83.00 163.00 353.00 417.50 526.50 563.17 a 534.60 e 411.30 c 271.00 187.50 3732.57
1954 57.50 126.50 67.00 156.50 358.00 400.56 c 471.50 524.93 a 542.50 380.50 329.00 135.50 3549.99
1955 92.00 66.00 64.00 101.50 271.50 373.00 516.50 468.00 449.50 328.50 135.50 38.00 k 2866.00
1956 58.50 22.00 56.50 181.00 351.50 420.00 498.50 472.50 432.50 307.50 144.00 95.50 3040.00
1957 21.00 37.00 157.00 249.00 394.50 489.50 537.00 561.50 609.50 374.50 169.50 151.50 3751.50
1958 186.50 244.00 129.00 226.00 416.00 566.00 573.50 525.50 461.50 366.50 168.62 a 218.50 4081.62
1959 119.50 95.00 127.50 225.52 a 343.50 494.00 535.00 478.95 a 453.00 390.00 184.00 89.90 a 3535.87
1960 76.00 96.32 a 103.00 208.50 296.00 359.00 436.00 519.50 409.50 346.50 166.55 a 98.00 3114.87
1961 182.38 a 136.50 83.00 125.50 253.68 a 356.50 556.45 a 488.25 c 434.00 226.30 a 24.50 j 44.50 2887.07
1962 72.50 111.00 101.00 216.50 286.50 346.00 427.00 532.00 427.00 386.50 234.00 146.00 3286.00
1963 37.00 255.00 116.50 219.00 357.50 379.50 539.00 523.00 560.50 450.50 202.50 160.00 3800.00
1964 109.50 68.50 71.50 151.50 242.00 415.50 0.00 z 542.50 426.50 425.00 99.00 47.61 c 2599.11
1965 94.00 76.50 144.50 214.50 283.00 370.00 481.50 534.00 402.00 411.00 284.50 91.50 3387.00
1966 92.50 107.00 86.00 200.00 255.00 432.50 498.00 0.00 z 449.00 336.50 189.00 155.00 2800.50
1967 136.00 83.50 72.00 78.50 l 283.81 b 292.00 i 517.00 530.74 b 547.00 432.00 242.31 d 76.43 b 2920.79
1968 101.27 a 156.91 a 194.50 141.50 327.57 a 417.50 496.55 c 538.22 b 469.66 a 356.00 206.25 b 56.00 3461.93
1969 23.50 47.50 106.00 220.00 364.50 521.00 506.00 517.50 478.85 d 394.22 a 177.32 b 204.50 3560.88
1970 99.00 207.00 177.50 138.50 296.50 415.00 458.00 457.00 371.50 144.50 p 260.50 13.00 h 2880.50
1971 169.50 196.00 149.50 245.50 361.50 407.50 494.50 636.00 483.50 323.50 168.50 29.50 3665.00
1972 6.00 48.00 177.50 169.00 373.50 401.50 538.50 491.57 c 412.50 277.00 208.00 81.78 b 3184.85
1973 74.00 94.50 114.00 241.00 410.00 275.00 h 302.00 m 132.50 w 143.00 v 327.50 84.50 170.50 1516.00
1974 40.50 84.56 c 151.50 230.00 261.00 100.50 u 413.00 f 523.00 572.40 e 257.41 c 226.50 116.77 a 2463.64
1975 66.00 59.50 100.00 91.00 318.61 d 321.50 f 516.00 0.00 z 188.00 t 0.00 z 210.00 c 93.00 b 1454.11
1976 112.00 80.00 55.00 g 239.00 276.00 0.00 z 100.00 y 0.00 z 159.00 u 84.50 t 263.00 103.50 1073.50
1977 58.26 b 184.59 a 70.00 163.00 330.50 425.69 a 485.50 539.50 423.00 328.50 153.62 a 100.00 3262.16
1978 132.55 b 121.69 b 125.00 g 240.00 381.96 c 523.00 479.00 455.50 467.50 261.00 j 118.00 39.50 i 2919.21
1979 3.50 33.83 d 70.00 h 162.93 a 343.98 e 362.68 b 301.00 h 543.69 e 550.71 b 364.00 161.00 115.22 a 2641.55
Period of Record Statistics
MEAN 87.86 104.94 110.46 192.02 328.24 422.54 506.34 522.92 475.17 358.71 194.01 115.31 3494.28
S.D. 49.87 63.51 39.28 47.16 49.21 58.93 36.18 39.71 62.07 54.55 57.46 49.58 287.31
SKEW 0.25 0.92 0.58 -0.42 -0.06 0.87 -0.36 0.48 0.49 -0.58 0.29 0.32 0.21
MAX 186.50 255.00 194.50 270.00 416.00 566.00 573.50 636.00 609.50 450.50 329.00 218.50 4081.62
MIN 3.50 22.00 56.50 91.00 242.00 346.00 427.00 455.50 371.50 226.30 84.50 29.50 3040.00
NO YRS 28 28 26 29 30 24 25 26 25 25 27 25 15