WHITMAN MISSION, WASHINGTON

Monthly Total Growing Degree Days

(459200)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1962 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 85.00 30.50 0.00 115.50
1963 2.00 2.00 27.50 50.50 246.50 474.00 539.00 656.00 507.00 207.00 7.00 0.00 2718.50
1964 1.50 0.00 9.00 69.00 209.50 452.00 648.00 533.20 a 310.50 61.50 5.00 4.00 2303.20
1965 2.50 4.00 6.00 144.50 239.73 a 433.00 680.00 667.00 279.00 161.50 10.71 b 0.00 a 2627.95
1966 0.00 0.00 34.00 90.50 290.00 402.00 579.00 598.50 474.50 119.00 3.62 a 4.50 2595.62
1967 12.92 a 0.00 23.00 16.00 233.00 523.00 722.00 765.00 537.50 128.00 17.00 9.00 2986.42
1968 12.00 32.00 32.00 62.00 244.50 468.50 730.00 563.50 382.00 51.00 1.00 2.00 2580.50
1969 0.00 0.00 25.00 66.50 344.50 575.00 640.50 561.00 412.50 45.50 10.50 0.00 2681.00
1970 0.00 2.00 10.00 22.00 277.50 584.50 745.00 635.00 261.00 83.00 4.14 a 8.00 2632.14
1971 18.08 a 5.00 3.00 60.50 291.50 362.50 689.00 735.00 209.00 101.00 5.00 2.50 2482.08
1972 10.50 11.50 61.00 46.50 293.98 a 490.00 640.50 658.50 248.08 d 75.50 1.00 11.00 2548.06
1973 3.00 3.50 10.50 84.50 312.00 462.00 651.00 620.00 360.50 96.00 9.50 6.00 2618.50
1974 15.00 1.00 24.36 c 57.50 201.00 515.00 631.50 631.00 349.00 50.00 20.00 0.50 2495.86
1975 0.50 0.00 5.00 22.50 194.00 378.50 743.50 523.00 317.00 110.50 29.50 17.00 2341.00
1976 4.50 0.00 16.50 32.00 222.00 321.00 623.50 542.50 421.50 97.00 15.00 0.00 2295.50
1977 0.00 3.50 13.50 155.00 153.50 534.50 610.00 757.00 284.50 43.50 5.50 8.50 2569.00
1978 0.00 1.00 66.13 a 62.50 204.50 456.50 655.50 571.00 294.00 64.00 7.00 0.00 2382.13
1979 0.00 0.00 26.00 89.00 281.50 461.50 660.50 660.30 a 424.29 b 123.50 0.00 1.00 2727.59
1980 0.00 0.00 2.07 a 147.00 256.78 a 366.21 a 636.00 479.50 352.00 80.71 b 24.50 19.12 a 2363.88
1981 0.00 c 13.50 19.50 100.50 220.50 359.00 581.50 674.52 b 335.50 52.00 8.79 a 4.50 2369.81
1982 1.00 29.00 7.00 43.50 202.00 523.00 610.50 566.50 229.00 47.50 0.00 4.50 2263.50
1983 3.00 3.50 18.00 54.50 295.00 396.00 548.00 658.50 238.00 50.50 34.00 0.00 2299.00
1984 3.50 n 0.00 24.00 46.50 158.00 377.50 649.50 588.00 234.00 j 86.00 8.50 0.00 1938.00
1985 0.00 0.00 12.50 165.50 316.00 446.50 775.50 512.00 220.00 0.00 z 19.50 0.00 a 2467.50
1986 3.50 23.50 45.50 71.00 275.50 599.00 630.50 757.50 289.00 104.00 21.50 0.00 2820.50
1987 0.00 0.00 53.00 164.00 364.50 505.00 607.00 569.50 414.00 90.50 10.71 b 8.00 2786.21
1988 0.00 0.00 13.50 123.50 260.50 440.50 644.50 557.50 331.00 218.50 42.00 0.00 2631.50
1989 6.00 0.00 14.50 120.50 202.50 487.50 609.00 577.00 319.50 98.00 53.50 1.50 2489.50
1990 14.50 5.00 19.50 156.50 213.00 429.50 705.00 645.00 483.50 83.50 34.50 0.00 2789.50
1991 0.00 14.00 3.50 83.00 188.50 323.00 639.00 689.00 366.50 93.50 6.50 5.00 2411.50
1992 11.50 6.00 19.50 143.00 340.00 578.50 614.50 639.50 281.00 104.50 8.00 0.00 2746.00
1993 0.00 0.00 10.50 71.00 360.00 408.00 507.50 529.50 335.00 138.00 3.50 6.00 2369.00
1994 2.00 10.00 37.50 169.50 320.00 437.50 749.50 645.00 416.00 59.00 3.00 13.50 2862.50
1995 6.50 41.00 16.00 39.50 256.50 386.50 673.50 502.50 428.00 59.00 38.00 3.00 2450.00
1996 6.00 13.00 10.00 111.50 180.50 399.00 702.00 595.00 320.50 116.50 0.50 j 0.00 a 2454.00
1997 0.00 p 1.50 52.00 75.00 316.50 411.00 609.50 699.50 403.50 85.50 0.00 1.00 2655.00
1998 0.00 b 0.00 20.00 53.50 0.00 z 455.50 0.00 z 0.00 z 507.50 0.00 z 0.00 z 1.03 a 1037.53
1999 1.03 a 2.50 20.00 45.00 177.50 424.50 593.00 648.33 b 284.00 63.00 46.03 a 2.58 a 2307.48
2000 0.00 b 3.00 2.50 120.00 269.50 426.00 648.00 606.57 a 319.00 63.00 0.00 a 0.00 a 2457.57
2001 0.00 a 0.00 11.50 84.50 287.50 370.00 627.23 a 654.10 a 421.00 50.12 a 23.79 a 0.00 a 2529.74
2002 8.00 9.00 2.50 87.00 211.50 495.00 741.50 542.50 311.50 67.50 7.50 18.00 2501.50
2003 9.50 1.00 76.50 78.50 253.00 514.50 743.50 677.50 417.00 195.00 13.50 0.00 2979.50
2004 1.00 0.00 54.50 81.00 249.00 481.50 732.50 736.50 344.50 113.50 1.50 10.50 2806.00
2005 1.50 0.00 38.50 77.00 335.50 411.50 698.50 673.50 303.50 103.00 5.50 0.00 2648.00
2006 5.50 0.00 21.00 78.50 290.50 489.50 791.00 608.50 349.00 81.00 48.50 2.00 2765.00
2007 0.00 4.50 44.50 76.50 282.00 478.00 779.00 593.50 325.50 56.50 8.00 7.50 2655.50
2008 0.50 0.00 1.00 35.50 293.50 404.50 657.50 612.00 288.00 91.50 13.50 0.00 2397.50
2009 5.50 0.00 0.00 53.00 259.00 494.00 716.50 674.00 398.50 36.50 17.50 0.00 2654.50
2010 5.00 0.00 13.00 54.50 163.00 403.00 630.00 595.50 358.00 114.50 14.00 4.00 2354.50
2011 8.78 a 1.50 12.92 a 17.00 119.50 357.50 528.50 661.50 397.50 104.00 9.64 b 4.65 a 2222.99
2012 1.66 c 5.00 5.50 100.00 218.50 365.00 686.13 a 636.50 335.17 a 104.50 39.64 b 3.00 2500.61
2013 0.00 a 0.00 h 27.00 f 6.00 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
Period of Record Statistics
MEAN 3.76 5.04 21.89 81.16 252.55 446.73 658.24 622.11 350.89 92.11 15.25 3.79 2555.95
S.D. 4.85 8.93 18.33 41.59 57.56 67.62 66.51 69.05 77.40 40.55 14.30 5.00 194.68
SKEW 1.29 2.47 1.18 0.61 -0.09 0.31 -0.02 0.11 0.40 1.30 1.09 1.55 0.29
MAX 18.08 41.00 76.50 169.50 364.50 599.00 791.00 765.00 537.50 218.50 53.50 19.12 2986.42
MIN 0.00 0.00 0.00 16.00 119.50 321.00 507.50 479.50 209.00 36.50 0.00 0.00 2222.99
NO YRS 49 50 50 50 49 50 49 49 49 49 49 51 45