GRAYLAND, WASHINGTON

Monthly Total Growing Degree Days

(453320)

Base Temperature = 40 F

File last updated on Jul 25, 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 550.50 529.00 604.50 491.00 371.00 126.50 39.50 2712.00
1949 6.00 59.50 199.50 261.00 424.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 950.50
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 426.50 568.00 617.00 556.50 468.00 269.00 153.00 3058.00
1954 58.00 147.00 63.50 187.50 362.00 321.00 g 512.50 552.50 535.00 406.50 297.00 137.50 3259.00
1955 70.00 58.00 60.00 112.50 278.50 455.50 518.50 472.50 475.00 371.50 150.00 71.19 d 3093.19
1956 84.45 b 31.07 a 99.50 255.50 397.50 445.50 591.50 580.50 504.00 331.00 198.00 133.50 3652.02
1957 26.00 82.50 180.00 268.50 403.00 499.00 538.00 590.00 631.50 406.50 194.00 172.05 a 3991.05
1958 210.11 d 255.00 159.00 276.00 472.00 621.00 650.50 611.00 537.00 438.50 180.50 231.50 4642.11
1959 143.50 103.70 a 165.50 276.00 367.00 495.50 582.50 537.00 461.50 401.00 222.50 108.50 3864.20
1960 84.50 102.50 192.50 274.00 351.50 419.50 490.50 576.00 503.00 399.90 a 198.00 125.50 3717.40
1961 202.00 162.50 169.98 a 216.50 376.00 490.00 641.00 590.50 466.50 318.02 b 138.00 112.00 3883.00
1962 93.00 154.50 104.00 271.50 321.00 410.50 493.00 567.50 539.50 414.50 263.00 177.00 3809.00
1963 50.50 285.50 134.50 242.50 403.00 434.50 599.00 592.00 615.00 444.50 221.50 173.50 4196.00
1964 120.00 70.50 126.00 157.50 290.50 444.50 529.50 544.50 483.50 417.00 100.34 a 55.50 3339.34
1965 94.50 104.50 202.00 243.00 297.50 418.50 540.00 593.50 449.50 430.50 285.50 95.00 3754.00
1966 108.00 117.00 144.00 271.00 330.00 465.50 528.00 529.50 543.00 353.00 221.00 169.00 3779.00
1967 130.00 112.00 85.00 134.00 334.50 490.00 555.50 613.50 594.50 419.00 236.00 86.50 3790.50
1968 97.00 221.00 208.50 185.00 393.00 472.50 588.00 580.50 562.00 347.50 225.50 65.50 3946.00
1969 25.50 57.50 184.00 225.50 426.00 556.00 528.00 517.50 486.50 349.00 230.50 151.50 3737.50
1970 97.00 217.50 0.00 z 170.00 340.48 a 455.00 504.27 a 247.50 o 320.50 h 176.50 m 207.12 d 52.70 a 2044.07
1971 94.07 b 100.59 a 100.50 234.81 d 367.87 a 435.00 a 514.71 b 603.35 d 474.31 a 327.00 166.61 b 33.67 b 3452.48
1972 47.03 b 77.50 144.00 134.00 373.00 442.50 548.00 580.00 409.00 296.00 0.00 z 0.00 z 3051.03
1973 0.00 z 146.16 c 138.00 239.00 352.50 428.50 473.50 449.00 502.00 341.50 0.00 z 0.00 z 3070.16
1974 0.00 z 67.50 154.50 241.50 319.00 306.00 h 250.00 p 529.50 586.00 335.50 218.00 0.00 z 2451.50
1975 0.00 z 64.08 b 93.50 122.50 312.50 381.00 536.50 528.00 556.50 322.50 108.50 m 111.00 3028.08
1976 84.22 a 74.31 e 76.00 187.00 295.50 370.34 a 511.00 537.50 504.50 352.22 b 200.89 b 125.50 f 3193.49
1977 85.00 170.00 96.74 b 226.00 305.50 444.00 489.50 456.00 h 438.00 343.00 148.45 a 93.52 a 2839.71
1978 125.60 b 154.52 a 193.23 a 254.00 337.50 531.00 597.00 379.50 k 497.00 416.50 78.50 h 36.68 a 3143.04
1979 0.50 o 47.00 o 211.50 270.00 c 269.00 j 402.50 501.00 592.21 b 624.00 441.23 a 145.00 i 88.00 o 3042.44
1980 49.00 i 147.07 a 150.00 286.50 340.48 a 330.50 g 589.00 e 374.50 f 471.50 391.12 a 226.67 c 76.00 j 2602.34
1981 237.50 123.50 251.62 a 223.50 353.50 0.00 z 518.50 0.00 z 0.00 z 273.00 0.00 z 0.00 z 1981.12
1982 0.00 z 0.00 z 0.00 z 52.00 w 338.00 465.50 532.37 e 569.50 567.50 439.50 149.00 101.00 3162.37
1983 163.50 224.50 275.00 313.50 455.50 495.50 622.00 606.50 501.50 297.50 258.00 48.50 4261.50
1984 158.50 162.00 261.50 224.50 347.00 436.00 502.00 564.50 507.50 310.50 181.50 36.00 3691.50
1985 37.50 48.50 100.00 236.50 414.50 476.50 584.50 580.00 472.00 344.50 89.50 68.50 3452.50
1986 173.00 116.50 302.50 208.00 359.71 b 520.00 530.00 575.00 448.50 430.50 209.00 138.50 4011.21
1987 117.00 180.50 265.50 317.50 299.00 i 465.00 556.00 585.00 520.50 449.50 290.50 81.50 3828.50
1988 76.50 191.00 188.50 295.00 384.00 450.00 553.00 583.50 465.00 456.00 214.50 122.50 3979.50
1989 68.50 42.50 151.50 340.50 400.00 525.00 589.00 583.00 581.50 362.00 235.00 149.00 4027.50
1990 131.50 90.50 242.50 311.00 377.50 500.00 612.00 638.50 632.50 321.00 209.00 57.00 4123.00
1991 76.50 244.50 125.00 222.00 352.50 446.00 580.50 569.50 610.00 372.00 217.50 152.00 3968.00
1992 178.00 253.50 308.50 336.50 449.50 537.00 623.50 628.50 457.00 415.00 195.00 39.50 4421.50
1993 60.50 127.00 220.00 297.50 513.00 527.00 601.50 653.50 497.00 402.50 109.50 114.00 4123.00
1994 182.00 76.00 259.00 325.00 419.00 486.00 567.50 649.50 581.50 322.00 90.50 106.50 4064.50
1995 186.00 179.00 220.00 257.00 405.00 504.50 651.00 563.00 665.00 381.50 289.00 147.50 4448.50
1996 115.50 159.50 210.50 307.00 343.00 474.00 592.50 361.50 k 0.00 z 150.50 l 167.50 19.00 o 2369.50
1997 67.00 n 116.00 160.00 274.50 504.50 552.00 629.50 688.00 663.00 390.00 315.00 129.50 4422.00
1998 162.50 188.50 230.00 257.50 418.50 506.50 610.50 629.00 500.00 383.00 244.00 107.50 4237.50
1999 92.48 a 57.50 g 87.00 i 223.39 b 327.00 451.00 512.50 618.00 512.50 327.00 261.00 140.50 3465.38
2000 50.00 144.50 134.50 286.00 394.00 500.00 591.50 591.00 522.00 366.50 103.00 105.50 3788.50
2001 124.00 71.00 190.00 212.00 360.63 a 435.00 525.00 587.50 506.50 335.50 195.00 86.00 3628.13
2002 121.00 89.19 a 123.50 224.50 336.35 a 395.00 f 387.50 k 559.60 b 470.17 a 329.50 249.50 160.50 2663.81
2003 220.00 118.00 0.00 z 0.00 z 374.00 531.50 601.00 588.50 513.50 450.00 141.00 121.00 3658.50
2004 133.00 167.50 0.00 z 341.00 448.50 553.50 673.50 689.50 511.50 0.00 z 0.00 z 0.00 z 3518.00
2005 0.00 z 0.00 z 274.00 296.00 530.50 551.50 631.00 602.00 462.00 397.00 176.50 130.00 4050.50
2006 199.50 117.00 151.50 282.00 415.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1165.00
Period of Record Statistics
MEAN 113.05 131.48 173.07 246.82 376.78 477.02 562.27 583.17 522.85 376.65 202.44 109.51 3899.13
S.D. 56.04 61.69 63.78 55.65 56.68 51.46 49.45 45.49 60.56 48.90 56.92 45.98 332.01
SKEW 0.32 0.56 0.23 -0.53 0.72 0.33 0.25 -0.30 0.64 -0.01 -0.22 0.13 -0.07
MAX 237.50 285.50 308.50 341.00 530.50 621.00 673.50 689.50 665.00 468.00 315.00 231.50 4642.11
MIN 6.00 31.07 60.00 112.50 278.50 370.34 473.50 449.00 409.00 273.00 89.50 33.67 3093.19
NO YRS 46 50 49 52 52 49 52 48 51 51 47 45 31