RIDDLE, OR

Monthly Sum of Growing Degree Days (Degrees Fahrenheit)

(357169)

Base Temperature = 40 F

File last updated on Mar 28, 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
1899-----z-----z-----z-----z-----z632.50a843.00 -----z-----z-----z-----z-----z1475.50j
1900-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1901-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1902-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1903-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1904-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1905-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1906-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1907-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1908-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1909-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1910-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1911-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1912-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1913-----z96.19d209.50 318.00a509.00 638.00 836.50 893.50 646.00 445.00 233.55b80.50 4905.74a
1914156.50 148.00a370.50 395.00 562.00 611.50 879.00 839.00 588.50a506.50 198.50a35.00 5290.00
191565.50 140.00 355.50 400.50 493.50 611.50 830.50 900.50 573.00 423.50 210.00a126.00a5130.00
191614.50 284.50 270.00b372.50 418.00 625.50 746.00 854.00 652.00a301.50 134.00 32.50 4705.00
191747.50 96.50 86.50 279.50 418.00 645.77b910.00 809.50a665.00 401.50 297.50a237.00a4894.27
1918181.50 103.85b233.50a312.27b429.50 795.50 793.50 781.50 759.18b501.50a176.50 51.50 5119.79
1919105.50a80.00 230.50 358.00a508.00 577.00a722.50f906.50a629.50 336.00 155.00a103.50a3989.50a
1920121.50 79.00 168.00a259.96b445.50 697.50 852.50a914.50 612.62b407.00 178.50 99.50 4836.09
1921110.50 196.00 298.00 324.00a478.00 730.00 807.50 826.50 563.00 522.50a324.18b84.50 5264.68
192236.50 76.50a174.00 253.50 508.50 725.00 897.00 799.00 706.00 502.50 168.50 89.50 4936.50
1923114.00a125.00 238.50a348.00 486.50 643.50a842.00a917.50 735.00 477.50 305.50 70.50a5303.50
1924122.00a280.00 200.69b420.00 287.50q727.00 810.58e820.50 622.50a436.50 191.50a63.50 4694.77a
1925154.66b213.50 291.00 372.17c573.50a676.50 917.00 812.50 636.00 369.81e215.00 93.50a5325.13
192697.50 234.17b354.50 541.50 562.00 785.00 883.00 842.50 550.00 489.00a334.00 101.50 5774.67
1927121.50a44.00s55.00u44.50x-----z717.19d832.78d852.50a483.00h466.00 288.00a48.33d3326.30e
1928144.50 151.00 366.00 340.00 608.00 679.00 898.00 827.50 609.52b429.50 205.59b71.50 5330.11
19294.50u38.74e232.00a236.50 512.00 627.50 831.00 825.00c525.50a472.00a78.50a191.11d4569.85a
193051.21b210.50 277.50 427.00 434.00 611.00 810.00 828.00a623.00 418.50 142.50j85.50 4776.21a
1931130.38e169.00 293.50 419.46b744.83b740.50a1005.00 938.00a-----z468.50 160.00 88.00 5157.18a
193260.00 116.00 315.50 344.00 502.50 733.50 796.00 831.00 691.50 385.50f276.50a52.50 4719.00a
193323.00 56.50 186.72b324.00 356.50a608.00a844.66b867.41b517.50a482.50 181.50 186.50a4634.79
1934192.50 241.50 450.50 442.50a609.00 684.50 843.50 896.00 641.50 493.50 292.00 110.00a5897.00
193550.69b145.50 115.50a292.07b470.50a708.50 859.50 800.00a759.00 430.00d143.50a59.00 4833.76
1936110.50a118.50 153.10b392.54b546.21b720.50 763.00a821.50 594.50d384.00 -----z69.50 4673.85a
19370.00 88.00 230.50 243.00a-----z149.50x910.00a803.50a685.00a345.50m361.98b222.50h3321.98d
1938106.50 113.00 191.50 417.00 543.00 731.50 1007.00 783.00 768.00 463.50 161.50 113.00 5398.50
193972.00 59.00 278.00 443.00 577.00 601.00a909.00 953.50 737.50a486.50 240.00a218.00 5574.50
1940126.00a205.50a329.00 405.50 623.50 797.50 895.50 932.50 733.50 547.00 193.50 160.00 5949.00
1941152.50 215.50 344.00 336.00 532.50 631.00a948.50 823.50a554.62b412.00a285.00 158.65e5393.78
1942132.50 121.00 221.00 362.00 -----z613.00 870.00c905.00d685.50a486.50 182.00f109.50 4506.00b
194333.00 162.50 253.00a411.00 453.00 580.00 840.50 760.00 761.50 455.00 201.50 71.50 4982.50
194475.00a118.00 210.00 -----z-----z-----z-----z-----z352.00n597.50 158.00 104.00 1262.50f
1945144.00 154.50a-----z-----z-----z-----z-----z-----z270.50p515.50 233.50 154.50 1202.00g
194692.50 -----z-----z-----z-----z-----z-----z-----z657.50 331.50 148.50 118.00a1348.00g
194752.50 235.00 361.50 435.00 642.00 643.00 841.50 806.50 712.50 555.00 221.00a87.50 5593.00
194858.39c110.00 189.00 248.50 495.50 740.00a817.00 809.50 635.93b459.50 130.50a32.00 4725.82
19497.50 141.50 276.50 434.50a597.00a697.00a886.50 815.50a746.50 315.00 335.00 62.50 5315.00
195027.50 180.00 208.00 309.00 489.50 698.50 904.50 938.50 705.50 500.00 281.50a232.50a5475.00
195177.50a130.00a167.50 454.00 559.50 792.50 876.43c873.00 753.00a445.50 221.00 37.50 5387.43
195259.50 124.50a155.50 377.00a523.50 605.50 930.50a896.50 785.50 553.00 64.00 70.00 5145.00
1953191.50 103.00 177.50a310.50 416.00 518.50 794.50a822.50 714.50 452.50 318.00 103.00a4922.00
195481.50 190.50 161.38b377.50 547.50c553.00a808.50 773.00 600.94c413.50 300.00 61.50 4868.82
195541.00 63.50 153.00 218.50 465.50 661.09c732.00a796.50 615.50a479.00 224.00 143.00 4592.59
195696.50 36.50 201.50a392.00 572.50 596.65c933.00 849.00 708.50 391.00 153.00 84.50a5014.65
195716.00 175.50 264.50 380.50 561.50a724.00 771.00 733.50 751.50 426.50 115.00 100.50 5020.00
1958141.50 264.00 175.50 333.00 669.50 772.00 983.50 983.00 666.00 498.50 286.50a231.50 6004.50
1959176.50 103.00 256.50 411.00 470.50 701.50 927.00 829.00 624.00 491.50 166.00 57.00 5213.50
1960105.00 130.50 319.50 368.00 477.00 743.50 955.00 805.00 702.00 461.50 196.27b86.00 5349.27
1961149.50 226.50 231.50 362.50 513.50 802.00 893.50 947.00a605.50 428.00 128.00a91.50 5379.00
196264.66b143.50 212.00 441.50 424.00a645.00 849.00 816.50 759.00 -----z291.00 149.00 4795.16a
196317.50 317.00 206.00 268.00 542.50 645.50 757.50 826.00 790.00 486.00 222.00 103.50 5181.50
196465.00 70.50 174.00 266.50 449.00 612.50 836.00 816.50 621.50 546.50 171.50 133.50 4763.00
196594.00 147.00 253.50 387.50 451.50 642.50 888.50 885.50 595.50 565.00 300.00 85.00 5295.50
196673.00 104.50 254.50 409.50 532.50 678.50 822.50 879.00 745.00 458.50a249.50 130.00 5337.00
1967110.50a145.00 185.00 220.00 511.00 769.00 932.50 1029.00 803.00 506.00 257.00 60.50 5528.50
1968110.50 276.00 332.50 315.00 512.00 697.00 910.00 829.50 696.00 456.50 255.50 100.00 5490.50
196982.50 70.50 231.50 338.50 642.50 748.00 807.50 786.50 724.00 396.00 213.50 135.50 5176.50
1970193.50 219.50 263.00 227.50 538.50 793.00 913.00 829.00 604.50 419.50 245.00a80.00 5326.00
197176.00 136.50 171.50 293.50 498.00 632.50 871.50 917.00 617.50 391.50a168.50 27.50 4801.50
197261.50 202.50 348.50a264.50 525.50a700.00 929.50 908.50 593.50 397.00 258.00 116.50 5305.50
197376.00 212.50 190.50 350.00a605.00 712.00 898.00 795.50 721.00 416.50 159.00 191.00 5327.00
1974109.50 100.00 245.50 319.50 465.00 712.00 845.50 886.50 801.00 444.50 280.00 143.00 5352.00
1975118.00 136.00 155.50 186.50a499.00a648.00 873.00 792.50 772.50 471.00 168.00 137.00 4957.00
1976121.50a135.50 206.50 282.00 501.00a556.00 848.50 768.50a720.00 509.50 305.00 20.50 4974.50
197739.50 234.00 167.50 312.50a369.00 741.50 826.00 1004.50 626.50 475.00 196.50 167.00a5159.50
1978193.00 182.00 356.00 313.50 484.50 731.00 901.50 873.00 625.50 533.50 109.00a42.00a5344.50
197913.00a114.50a316.03b354.98c499.82c-----z873.00 839.00 774.00 571.50 193.00 141.50 4690.34a
198081.50 212.00a210.50 374.50a470.50a586.50 894.00 755.69b672.50 509.50 277.00 164.00a5208.19
1981179.50 198.50 276.50 342.30b517.00 683.50 843.50 921.21b711.00 157.00t176.00g157.50 4830.51b
198233.00 123.58b182.07b275.50 486.00a727.79d841.00 858.00 664.00 464.00a163.50a88.45b4906.88
1983136.73e187.83e300.52b313.00 579.31b638.50 533.50i849.00 604.00a473.79b264.11b124.00a4470.78a
1984126.00 168.00 316.00a290.50a499.00a617.50 863.50a838.93c668.04b393.00 169.34b48.00 4997.80
198553.50a86.00 125.00a447.00 534.50 729.66b1012.00 809.50a549.00a401.00 105.50 45.00 4897.66
1986183.50 203.50a404.00 309.00a535.00 805.00 791.50a1007.00 560.67c539.00 248.50a85.50 5672.17
198792.00a132.00a268.50 451.50a640.00 776.00 823.00 880.00 697.00 558.00 264.50 104.00 5686.50
1988100.50a197.50 236.00 406.00 477.00 653.00 909.00 870.50 691.00 626.00 242.36b73.00 5481.86
198978.00a64.50 237.93b472.50 513.50 720.00 763.50a801.50 683.57b466.50 218.50a94.00a5114.00
1990107.07b96.00a292.00 444.50a484.50 685.50 970.00 934.00 765.50a417.00a196.02c48.50 5440.59
199174.50 264.00a167.07b289.00 415.00a589.00a940.00 902.00 744.50a482.50 302.00a70.50a5240.07
1992150.50 288.50a385.00 444.00a702.50a760.50a921.00 915.00 673.00a496.50 242.00 50.00 6028.50
199345.50 107.00 397.50 344.00 613.00 648.50 723.89d828.00 709.00 519.50 59.50 100.00 5095.39
1994154.00 117.50a293.50 396.50 612.50 627.50a960.50 847.50 747.50 413.00 95.00a115.50 5380.50
1995191.00 296.50 242.50 317.00 578.00 671.00 893.00a775.50a777.50 464.00 368.00 204.00 5778.00
1996113.00 260.50 298.50 409.00 507.00 675.00 954.31b919.00 639.50 484.00 299.50 130.50 5689.81
1997133.50 162.00 263.00 369.00 683.00 649.00a877.00 926.50 737.50 459.50 304.00 74.00 5638.00
1998171.00 156.00 266.00 340.50 440.00 692.00 971.00 922.00 749.00a446.00 256.50 95.50 5505.50
1999119.50 115.00 189.50 303.00 428.50a659.50 832.00a885.50a720.00 475.00 347.00 100.50 5175.00
200081.50 212.00a198.00 430.00 575.00 764.50 858.50 843.00a671.00a469.00a130.00 89.50 5322.00
200198.00 98.00 264.50 302.00 585.58e610.04b850.71c894.11c702.13d359.00f202.00f70.96e4476.03b
200291.61c130.50f126.00g367.00 475.00d740.50 963.50 876.00 714.50 397.50 257.50 148.00a5031.11b
2003262.00 141.00 336.00 301.00 516.50 778.00 987.00 955.00 743.50a551.00 166.50 123.50a5861.00
2004155.50 177.50 371.50a421.00 589.50 735.50 979.00 973.00 689.50 493.50 189.00 121.50a5896.00
2005122.50 190.50 344.50 348.00 609.50 647.50 955.00 964.50 651.00 513.50a176.50 140.00 5663.00
2006134.50a154.00a174.00 379.00 602.50 802.50 937.50a878.50 733.50 426.50a257.50a130.50 5610.50
200743.50 152.00 334.00 384.00 569.00 711.00 984.00 875.00a645.52c300.00h155.00h62.00g4698.02c
200841.00i130.48d167.59b230.50 583.00 639.50 936.00 926.50 722.50 459.00 302.50 59.00 5156.57a
200990.50 142.00 174.50 304.00 593.50 764.00 1007.00 928.50 737.50a405.50 213.50 77.00 5437.50
2010233.00 215.50a297.00 356.50 479.00 683.50 956.00 931.50 770.00 514.50 252.00 162.50 5851.00
2011167.50 125.00 271.00 300.50 480.50 699.00 869.00 953.00 892.50 544.50 219.50 61.50 5583.50
2012145.00 169.50 226.00 457.00 596.00 704.50 925.50 992.00 803.50 526.50 346.50 99.00 5991.00
201381.50 150.50 357.50 462.50 669.50 805.00 1039.00 998.00 812.00 469.00 244.00 60.50 6149.00
2014168.00 236.00 393.50 458.00 648.50a750.50 1060.50 1049.50 883.50 683.00 348.50 271.50 6951.00
2015214.00a303.50 364.00f-----z-----z-----z-----z-----z-----z-----z-----z-----z517.50j
Period of Record Statistics
MEAN104.59 158.32 252.63 352.98 528.88 686.22 882.05 868.79 687.11 467.86 223.33 104.69 5339.39
S.D.54.12 64.18 75.16 69.38 74.51 66.31 70.10 66.78 76.02 63.49 70.72 50.51 400.96
SKEW0.32 0.45 0.31 -0.04 0.34 -0.07 0.12 0.45 0.02 0.19 -0.09 0.95 0.83
MAX262.00 317.00 450.50 541.50 744.83 805.00 1060.50 1049.50 892.50 683.00 368.00 271.50 6951.00
MIN0.00 36.50 86.50 186.50 356.50 518.50 723.89 733.50 517.50 301.50 59.50 20.50 4592.59
YRS100.00 100.00 98.00 98.00 95.00 98.00 98.00 99.00 98.00 96.00 96.00 100.00 80.00