TROUTDALE, OR

Monthly Sum of Growing Degree Days (Degrees Fahrenheit)

(358634)

Base Temperature = 50 F

File last updated on Jul 01, 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
1965-----z-----z-----z-----z-----z-----z581.79c596.50 344.50 229.14b71.00 5.00 1827.92f
19662.00 0.50 34.00 114.50 245.00 362.50 482.50 534.00 401.00 127.00 16.00 6.00 2325.00
196712.00 4.00 10.00 26.00 228.10b484.00 599.50 711.50 516.00 189.50 37.50 3.50 2821.60
19681.00 61.00 55.50 61.50 224.00 386.00 577.50 514.50 367.00a121.03b21.00 0.00f2390.03a
19690.00b0.00 48.00 83.50 322.00 502.50 517.50 491.00 404.00 106.00a47.50 0.00 2522.00
19705.00 4.50 9.00 23.50 200.50a473.00 568.50 570.50 304.00 131.50 40.50 2.00 2332.50
19714.50 11.00 4.50 58.00 232.00 276.00 559.00 637.50 319.00 143.00 3.50 0.00 2248.00
19724.50 5.50a55.50 28.00 285.50 383.50 610.50 596.00a284.42d124.00 21.50a17.50 2416.42
19730.50 6.00 15.00 95.00 288.62b395.00 584.50 469.00 391.50b121.50a4.50 1.00 2372.12
19746.00 1.50 21.50 60.00 161.50a426.50 511.00a585.50 499.21b180.50 18.50a12.50 2484.21
19753.50 3.50 4.82c22.00 244.50 367.50 562.00 466.50 483.50 153.50 35.50 20.00 2366.82
19769.00 4.50a13.00 74.00 239.50 325.00 538.50 472.00 424.50 165.00 81.50 0.00 2346.50
19770.00 12.50 3.50 143.00 138.50 440.00 508.50 677.50 325.50 166.50 19.00 15.00 2449.50
19780.00 9.00 77.50 76.00 -----z484.00 570.00 541.00 346.50 236.50 8.50 0.00 2349.00a
19790.00 0.00 55.50 88.00 270.00 446.00 604.50 531.50 464.00 238.50 7.50 8.50 2714.00
19800.00a0.50 7.00 152.00 154.00g253.50f547.78d439.04e352.64e125.50f40.50f16.00g1498.96e
19814.62e28.17e45.56d61.50f163.00h348.00d499.04e493.00g324.00f112.50e33.00f1.00f1037.88f
19821.50 18.50 15.00 60.00 230.00 445.50 490.00 540.50 387.50 164.00 9.00 0.50 2362.00
19831.50a6.00 34.00 103.00a222.50m327.00 474.00 553.00 316.50a103.45b49.50 0.00a1967.95a
19846.50 0.50 56.00 42.00 191.50 306.00a554.50 569.50 363.50 129.00a10.50 0.00 2229.50
19850.00a0.50 5.50 111.50 240.50 396.50 688.00 528.50 280.50 106.00 20.50a0.00b2378.00
19861.00 15.50o49.50k65.50 86.00m489.00a270.50m477.00j320.50 125.50i16.50 0.00 892.50f
19870.00 0.00 28.50a176.00 322.50 483.00 517.50 590.00 423.00a239.50 41.00 5.00 2826.00
19880.00 18.00 28.00a93.00 216.50 362.50 553.00 502.50 371.50 251.50 32.50 1.50 2430.50
19890.00 0.00 13.50 184.00 255.50 463.50 415.50 -----z364.50 112.00 44.06d7.00 1859.56a
199020.00 8.00 64.00 144.48b211.50 423.00 645.50 656.50 506.50 111.00 39.00 0.00 2829.48
199113.50a21.50a19.50 96.50 145.50 281.00 603.00 624.00 503.00 241.50 24.00 1.00 2574.00
199210.00 26.50 81.00 196.50 397.00 520.00 625.00 440.00j355.50 161.00 9.00 0.00 2381.50a
19930.00 0.00 26.00 89.50 372.00 384.00 455.00 586.00 465.00 250.00 4.00 1.00 2632.50
19941.00 0.50 92.00 139.50 353.50 372.50 660.50 606.50 528.00 126.50 0.50 3.50 2884.50
19956.00 36.50a52.00 83.50 356.50 425.50 639.50 532.00 -----z173.00 51.50 8.50n2356.00b
19961.50l7.50j10.50k71.50i62.50o241.00k308.00p347.50l131.50q123.50k2.00k0.00n0.00l
19971.00l0.00m6.00q31.50k263.50j238.50m237.50q366.50n229.00o61.00k13.00m0.00k0.00l
19980.00o0.00i30.50l73.00i102.50m230.00k419.50l308.00q172.50s119.00m9.50m6.00q0.00l
19991.00n0.00p3.00q22.50p52.50v186.50m321.00m254.50s-----z144.50 51.00 11.00 206.50i
20000.00 0.00 8.00 138.00 255.00 421.00 534.00 531.50 394.50 154.50 9.50 0.00a2446.00
20010.00 0.00 35.50 70.50 260.50 337.00 509.50 565.00 414.00 124.50 27.00 0.00 2343.50
20021.00 9.50 8.50 95.00 186.00 400.78e558.50 559.50 411.50 158.00 1.50 5.00 2394.78
200310.50 1.00 45.50 69.50 224.00 458.50 641.50 597.00 423.98e266.00 3.00 0.00 2740.48
20041.50 0.00 64.00 161.00 283.50 436.00 637.50 201.00s168.00m166.50 5.50 -----z1755.50c
2005-----z2.00 31.00 71.00 257.50 285.00 542.50 547.50 278.50 143.50 0.50 0.50 2159.50a
20060.00 0.00 7.50 72.50 -----z368.00 544.00 450.00 341.00 47.50 20.00 -----z1850.50b
2007-----z0.00 21.96c29.50 136.00 241.00 488.00 519.00 331.50 83.00 11.00 1.50 1862.46a
20080.00 4.50 6.00 36.50 211.00 279.50 513.50 553.00 374.50 105.00 34.00 1.00 2118.50
20091.00 0.00 2.00 66.00 238.50 403.00 626.00 551.00 447.00 105.00 15.50 0.00 2455.00
20100.00 3.00 33.50 57.00 121.00 262.00 473.00 501.00 372.50 163.00 46.50g6.50 1992.50a
201111.00a1.00 4.50 15.50 85.00 296.50 440.50 543.00 448.00 153.00 0.50 0.50 1999.00
20120.00 1.00 -----z-----z182.50 285.00 488.50 573.50a397.00 161.50 40.00a3.00 2132.00b
20130.00 0.00 33.50 87.00 241.50 387.50 554.50 584.50 417.50 80.50 -----z0.00 2386.50a
20142.50 0.00 22.00 61.00 298.50 340.50 602.50 641.00 461.50 265.00 41.00 5.50 2741.00
20152.50 11.00 80.00 65.50 258.00 -----z-----z-----z-----z-----z-----z-----z417.00g
Period of Record Statistics
MEAN3.26 7.15 31.33 86.03 240.27 385.90 553.28 557.05 393.62 156.34 24.30 3.54 2475.29
S.D.4.60 11.89 24.69 45.33 68.28 73.04 62.53 60.00 66.79 53.70 19.75 5.12 221.38
SKEW1.73 2.69 0.74 0.67 0.10 -0.14 0.01 0.29 0.24 0.55 0.84 1.74 0.19
MAX20.00 61.00 92.00 196.50 397.00 520.00 688.00 711.50 528.00 266.00 81.50 20.00 2884.50
MIN0.00 0.00 2.00 15.50 85.00 241.00 415.50 439.04 278.50 47.50 0.50 0.00 1999.00
YRS44.00 45.00 44.00 44.00 40.00 44.00 45.00 41.00 43.00 45.00 43.00 41.00 29.00