WALLA WALLA RGNL AP, WA

Monthly Sum of Growing Degree Days (Degrees Fahrenheit)

(458928)

Base Temperature = 50 F

File last updated on May 23, 2015
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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
19490.00 1.50 11.00 205.00 443.50 525.00 695.56d712.50 477.00 85.00 29.00 1.00 3186.06
19500.00 4.86c7.00 55.50 255.50 448.50 759.00 754.00 492.00 125.50 3.00 11.50 2916.36
19510.00 10.00 8.50 133.00 294.00 478.50 782.00 694.00 469.50 119.50 6.00 0.00 2995.00
19520.00 1.50 22.00 172.50 323.00 444.00 784.50 729.50 538.00 272.00 1.50 0.00 3288.50
195325.50 0.00 29.50 86.50 208.50 328.50 742.00 690.50 524.50 177.50 14.50 0.00 2827.50
19544.50 3.00 3.00 59.50 307.50 356.00 690.00 578.50 382.00 92.00 30.50 0.00 2506.50
19550.00 1.50 1.50 25.50 161.00 512.00 646.00 709.50 438.00 134.00 16.00 2.50 2647.50
19564.00 0.00 7.50 166.50 362.50 401.50 825.50 687.00 467.50 120.00 1.50 2.00 3045.50
19570.00 9.50 5.50 108.50 363.50 519.00 683.00 619.50 522.00b55.00 2.00 0.00 2887.50
19588.00 31.00 5.00 46.00 475.00 570.16b864.50 863.50 412.50 203.00 34.00 5.00 3517.66
19598.50 3.00 10.00 104.50 195.50 499.50 792.00 622.50 349.00 144.00 30.50 7.00 2766.00
19604.00 0.00 85.50 116.50 208.50 506.00 910.50 615.00 467.50 185.00 8.50 0.00 3107.00
196111.50 6.50 28.00 83.50 267.50 666.50 865.00 881.50 330.50 123.50 0.00 0.50 3264.50
19622.00 1.50 5.00 153.00 154.50 472.50 735.00 627.00 453.50 108.50 13.50 0.00 2726.00
19630.50 9.00 33.50 59.00 312.50 487.00 633.00 748.50 601.00 269.00 10.00 0.00 3163.00
19643.00 0.50 29.50 48.50 250.00 474.00 723.50 603.50 342.00 74.50 8.50 1.50 2559.00
19651.00 12.00 26.00 172.00 271.50 517.00 821.00 754.00 383.50 280.00 49.50 0.00 3287.50
19665.00 0.00 47.50 118.50 343.00 441.00 683.00 714.50 538.00 137.00 3.00 0.00 3030.50
19679.00 0.50 20.50 2.00 254.00 592.50 841.00 933.00 622.00 189.50 6.00 4.50 3474.50
196813.50 21.50 35.50 64.00 276.50 496.00 850.00 598.00a454.50 110.00 6.00 0.50 2926.00
19690.00 0.00 40.00 84.00 386.00 627.50 736.50 692.00 501.00 78.50 17.00 1.00 3163.50
19701.00 2.00 10.50 24.50 314.50 632.00 843.50 805.00 305.00 102.50 5.00 8.00 3053.50
197117.00 6.00 1.50 53.50 297.50 335.50 779.50 869.50 277.00 148.50 2.00 1.50 2789.00
19722.50 16.00 56.50 45.00 342.50 532.00 738.50 807.50 369.00 141.00 6.50 13.50 3070.50
19739.50 10.00 16.00 119.00 403.50 554.50 842.00 742.00 445.50 139.50 10.00 10.50 3302.00
197419.00 0.50 18.50 65.50 207.50 635.00 733.50 834.00 589.50 186.50 26.50 6.50 3322.50
19750.00 6.00 10.00 40.50 321.50 494.00 906.00 643.00 536.50 181.00 55.00 24.50 3218.00
19767.00 0.00 6.50 56.00 256.00 390.00 770.50 630.00 570.00 169.00 19.00 0.00 2874.00
19770.00 17.00 11.50 240.00 216.00 672.50 736.50 910.50 386.50 149.50 21.50 11.00 3372.50
19780.00 0.00 63.00 36.50 173.00 533.50 769.50 700.00 424.00 191.50 15.00 0.00 2906.00
19790.00 13.50 43.00 119.50 379.00 570.50 813.00 740.50 550.50 249.50 0.00 0.00 3479.00
19800.00 1.50 0.00 200.00 294.50 382.00 750.00 620.00 465.50 162.50 37.00 35.00 2948.00
19810.00 14.00 18.50 145.50 266.50 444.00 740.50 927.50 567.50 166.50 29.50 4.00 3324.00
19820.00 36.50 17.50 71.50 281.50 626.00 764.50 792.00 441.00 139.50 6.50 13.50 3190.00
198314.00 33.00 36.50 115.50 377.50 464.50 663.00 823.50 344.50 135.00 42.00 0.00 3049.00
19843.00 2.00 27.00 64.50 250.50 489.50 885.50 808.00 363.50 143.00 19.00 0.00 3055.50
19850.00 0.00 18.50 209.50 391.00 568.00 1001.50 680.00 296.00 146.00 15.50 0.00 3326.00
19861.00 26.50 59.00 71.50 301.00 636.50 620.00 898.00 320.00 177.00 12.50 0.00 3123.00
19870.00 0.00 61.50 223.50 384.00 613.50 668.50 725.00 557.00 180.00 8.00a5.50a3426.50
19880.00 5.50 15.00 146.50 300.50 494.50 782.50 733.50 456.50 326.00 38.50 0.00 3299.00
19891.50 0.00a10.50 149.00 242.50 541.50 721.50 655.00 485.00 161.50 44.50 3.50 3016.00
19909.50 3.00 46.50 210.50 243.00 503.50 865.50 777.50 645.00 102.50 41.50 0.50 3448.50
19912.00 15.50 10.50 71.00 176.50 349.00 732.00 830.50 519.00 208.50 5.50 1.00 2921.00
199221.50 0.50 59.00 177.00 439.50 688.50 745.00 776.00 396.00 191.00 0.50 0.00 3494.50
19930.00b0.00 15.00 67.00 388.00 438.50 549.50 648.50 496.00 204.00 6.00 6.50 2819.00
19943.00 11.50 75.00 210.50 426.50 551.00 925.50 813.50 615.00 153.50 4.50 21.00 3810.50
199513.50 38.50f-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z13.50k
1996-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1997-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1998-----z-----z-----z-----z-----z-----z-----z-----z-----z17.50u26.00 9.00 35.00j
19997.50 4.00 26.50 71.00 197.50 455.00 708.00 777.00 422.00 110.00 60.50 0.00 2839.00
20000.00b0.50 2.50 163.00 295.00 503.50 762.50 738.50 393.00 94.50 0.00 0.00 2953.00
20010.00 0.00 10.00 80.00 328.50 411.00 699.00a813.00 538.50 106.50 27.00 3.50 3017.00
200214.00 6.00 7.00 83.00a232.50 527.00 841.00 680.00 440.00 108.00a17.50 21.00 2977.00
200318.50 0.00 69.83b81.50 289.50 584.50 865.00a788.00 526.50 272.50 10.00 0.00 3505.83
20044.00a0.00 120.00 175.50 251.00 503.00 835.50 796.50 403.50 178.00 6.50 9.00 3282.50
20056.00a0.50 59.50 116.50 359.00 464.50 832.00 810.50 425.50 180.00 7.00 0.00 3261.00
20065.00 1.50 28.50 81.50 331.00 536.00 886.00 741.50 484.50 117.00 52.00 5.00 3269.50
20070.00 9.00 70.50 106.00 370.00 534.00 924.00 731.50 458.00 123.50 25.50 16.00 3368.00
20083.50a6.00 0.00 49.00 340.00 472.00 770.00 734.50 456.00 138.50 20.00 0.00a2989.50
20098.00 0.00 6.50 109.00 364.00 559.00 877.50 799.50 562.50 92.00 22.00 0.00 3400.00
201017.00 5.50 25.00 90.00 199.00 451.00 779.00 737.00 482.00 175.50 29.00 7.50 2997.50
201116.50 7.50 17.50 18.00 187.50 419.50 660.52b772.76b595.00 167.00 11.50 6.00 2879.28
20121.50 1.50 21.00 134.00 261.00 406.50 784.50 810.00 518.50 167.50 57.50 10.00 3173.50
20130.00 0.00 68.50 118.50 382.50 547.00 909.00 835.00 529.00a73.50 9.00 1.03b3473.03
20142.50 0.50 44.00 92.50 387.50 517.50 951.50 835.50 534.00 306.50 54.00 24.00 3750.00
20150.50 31.50 118.50 114.00 244.50j-----z-----z-----z-----z-----z-----z-----z264.50h
Period of Record Statistics
MEAN5.15 6.54 29.58 106.03 299.40 506.35 782.18 748.70 467.02 157.23 19.00 5.00 3129.98
S.D.6.48 9.10 27.47 56.92 77.04 83.49 89.71 87.00 87.11 58.10 16.58 7.41 272.65
SKEW1.30 1.80 1.39 0.51 0.09 0.04 0.02 0.04 -0.16 0.90 0.92 1.97 0.08
MAX25.50 36.50 120.00 240.00 475.00 688.50 1001.50 933.00 645.00 326.00 60.50 35.00 3810.50
MIN0.00 0.00 0.00 2.00 154.50 328.50 549.50 578.50 277.00 55.00 0.00 0.00 2506.50
YRS64.00 63.00 63.00 63.00 62.00 62.00 62.00 62.00 62.00 62.00 63.00 63.00 62.00