OWYHEE DAM, OR

Monthly Sum of Growing Degree Days (Degrees Fahrenheit)

(356405)

Base Temperature = 40 F

File last updated on Jul 30, 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
1935-----z17.00 93.00 319.50 516.00 788.00a1027.00 995.00 822.36b314.00l15.57c0.00a4593.43b
193616.50f18.00 99.11c466.00 680.17b825.00 1121.00 274.00w720.00 515.00a26.50 26.00 4496.78b
19370.00g3.12b173.50 294.50 643.00a733.50 1046.50 927.00 724.50 472.00 165.50 36.50 5219.62a
193815.50 52.00a129.00 355.50 564.83b827.00 1012.00 932.50 809.00 417.00 52.50 14.50 5181.33
19396.00a5.50 219.50a431.00 739.50 699.11b1010.69b1013.00 740.50 442.50 51.00 86.00 5444.30
19409.00 84.50a267.00 382.00 698.00 914.00 1028.00a1036.50 734.50 460.00 64.50 28.00 5706.00
19418.00 37.00a248.50 354.50 608.50 743.00 1062.00 923.50 598.00 413.00 126.50 62.59b5185.09
19420.00a17.00 80.00 412.00 487.00 678.00 1080.50 1018.50 747.50 478.50 69.50a32.50 5101.00
194310.50 15.00 119.50 463.50 523.00 678.00 985.00 928.50 788.50 459.00 62.50 12.50a5045.50
19444.50 11.50 93.50a337.50a589.00 682.00 981.00 949.50 713.50a550.00 62.00a0.00 4974.00
19459.50a53.50a142.50 292.50 610.50 745.00 1085.00 988.50 645.00 517.00 98.39b35.50 5222.89
19463.00a24.50 199.50a456.00 631.00 785.50 1059.50 1003.00 639.00 312.50 59.00a83.50 5256.00
194712.41b51.00 276.50 393.50 734.00 685.50 1073.50 999.50 701.00 498.50 64.00a6.00a5495.41
194832.00 62.50 101.00 334.00 601.03b894.50 972.00a1017.50 757.00a419.00 95.50 4.50 5290.53
19490.00 62.00 214.50 461.50 706.00 782.50a1048.00 1042.50 845.50 272.50a158.00 8.50 5601.50
19506.50a48.50 87.50 333.00 538.00 755.50 1029.50 988.50a672.18b535.00 158.00 31.50 5183.68
195114.50 57.50 112.00 426.50 644.00 704.00 1058.50 960.00 726.00 370.00 53.50 19.50 5146.00
19520.00 18.00 94.00 425.50a658.50 787.00 1017.50a1017.50 801.50a598.00 47.00 8.00 5472.50
1953126.50 72.50 246.50 309.00 505.00 674.50 1056.00 926.38b814.50 454.50a202.00 21.00 5408.38
195459.50 99.00a118.50 365.00a660.52b683.00 1110.00 958.00 760.00 361.50 22.50w26.50a5201.52a
19553.50 8.50 94.00 232.00 519.00a848.00 1013.00 1063.00 721.50 446.00a95.50 57.50 5101.50
19569.00 34.42e196.50a355.00a619.50 723.50 1012.00a892.50 710.00 359.50 32.11b41.00a4985.02
19570.00a32.50 134.50a315.00a584.50a758.66b969.50 917.00 707.39b345.00a40.39b30.50a4834.95
19589.50 73.00a84.00a280.00a801.00 827.00 1045.50 1064.50 689.00 494.50 134.50 31.00 5533.50
195929.00j63.00 143.00 393.00a458.50a880.50 1080.52b923.00a642.66b441.00a93.50 0.50 5119.18a
19600.00a12.50 222.00 380.00 495.50 867.50 1163.00 868.50a761.50 419.50 78.50a6.50 5275.00
19610.50 95.00 214.00 374.50 644.50 983.00a1146.00 1177.00 590.50a379.50 65.00a19.50 5689.00
196215.00 21.00 132.50 483.50 575.50 839.00 1017.00 999.00 777.00 445.00 152.50 23.50 5480.50
19630.00 146.00 216.00 279.50 649.00a769.50 992.00 1008.00 845.50 549.00 136.50 0.00 5591.00
19644.00 5.50 91.50 279.50a538.00 712.50 1036.50 935.50 611.00a430.50 96.00 101.50 4842.00
196552.50 54.00 112.00 401.50 557.50 773.00 988.00 929.50 576.50 496.50 195.50 13.50 5150.00
196648.00 27.00 231.00 381.00 699.00 761.50 1033.50 1031.00 848.00 368.50 160.00 25.00 5613.50
196768.00 65.00a162.50 183.00 590.00 795.00 1086.50a1132.00 853.00 386.00 148.00 31.00 5500.00
19685.50 113.00 256.50 295.50 579.00 843.00 1103.00 919.00 723.50 367.00 73.00 19.29c5297.29
19697.00 3.50 145.50 389.50 730.00 807.00 1023.50 1018.00 756.50 287.50 111.00 16.50 5295.50
197089.00 78.50 138.50 209.00 588.00 900.50 1094.00 1086.50 605.50 316.00 128.00 7.50 5241.00
197148.50 41.50 98.00 267.50 606.00 665.50 997.50 1107.00 549.00 341.50 36.00 8.00a4766.00
197226.50 67.00 191.50 247.00 578.50 768.00a955.50 1019.00 558.50 419.50 63.50 29.00 4923.50
19736.50 27.00 126.50 311.50 603.00 759.50 1025.50 965.00 645.50 376.50 133.00 22.22d5001.72
197475.50 18.50 141.00 268.00 487.50 889.50 982.00 957.50 767.00 368.50 55.00 6.50 5016.50
19758.00 26.00 70.00 141.50 479.50 690.00 1067.00 825.50 703.00 352.50 73.50 15.50a4452.00
19761.00a44.00 55.00 240.00 597.50 653.50 971.00 806.00 689.50 337.00 94.50 0.00 4489.00
19770.00 16.50 99.00 417.00 419.50 899.50 947.00 1015.00 643.50a400.00 97.00 84.00 5038.00
197816.50 42.50 241.50 280.50 516.00 725.50 987.00 891.00 601.50 389.00 46.50 11.00 4748.50
19790.00 14.00 150.50 293.50 611.50 782.00 1012.50 916.50 758.50 474.00 31.50 5.50a5050.00
198022.50 67.50 104.50 403.00 541.50 686.50 1003.50 881.50 668.50 361.50 114.00a47.50 4902.00
19813.00 45.50 177.50 320.00 504.00 679.50 945.50 1058.00 736.50 322.50 140.00 41.50 4973.50
198215.00 52.00a120.00 205.50 512.00a780.00 850.34b969.50 615.50 358.00 21.50 9.00 4508.34
198310.00 73.50 161.38b236.00a584.50 754.00 876.50 993.00 603.00 376.00 139.00a3.50a4810.38
19844.00 5.00 125.00 260.00 510.00 724.00 1013.50 1023.00 592.50 291.00 68.00 0.00 4616.00
19850.00 2.50 50.00a415.00a615.00 828.50 1136.50 903.00 515.00 301.03b63.00a0.00 4829.53
19860.50 95.50a300.00 341.50 605.00a1006.50 950.50 1143.50 554.50a400.00a91.00 0.00 5488.50
19870.00 24.50 173.00 485.50a691.50a887.50 967.24b924.50 807.50 460.86b112.89b38.50a5573.50
19885.50 37.50 152.50 412.50 600.00 946.50 1146.50 1064.50 688.50a629.00a123.50 0.00 5806.50
19890.00 0.00a171.00 409.11b547.50 879.50 1146.50 913.00a678.00a373.50 65.00a2.00 5185.11
199018.50 27.00 198.50 502.50 549.50 846.50 1166.50 1049.00a897.50 352.50 81.00 1.00 5690.00
19919.50 59.50 130.00 306.00 518.50 712.50 1132.00 1157.50 807.50 481.50 27.50 3.50a5345.50
19925.50 89.50 291.00 458.50a786.50 946.00 1016.00 1108.50 709.00 496.50 48.00 1.50 5956.50
19931.50 1.00 128.00 282.00 697.50 680.50 802.00 879.50 693.50 413.50 32.50 19.50 4631.00
19942.50 27.00 242.50 374.00a667.00 829.50 1185.00 1112.50 852.00 376.00 28.00 4.50 5700.50
199519.50 120.50 139.00 275.50 566.50 749.50 1001.50a870.00a744.00 -----z147.59b47.00a4680.59a
1996-----z81.50 173.08e341.50 491.50a759.18b1081.50a1026.50 601.00a402.50a-----z59.50 5017.76b
199734.00 41.00 188.00 287.50a650.50a793.00 923.50a1031.50 751.00a364.66b71.00a1.50 5137.16
199825.50 38.50a163.00 286.00 540.50 716.50 1174.00 1086.50 838.00a352.50 134.00 46.50a5401.50
199930.00a22.50a132.00a229.50 -----z742.50a984.00 1052.00 656.50 369.50a131.50a12.50a4362.50a
200012.00 55.00 105.00 414.00 633.50 822.50 1042.50a1075.50 630.50a347.50 12.50 3.50a5154.00
20010.00 1.50 181.00a245.50a660.00 780.50 1062.50 1075.00a805.50 377.14c125.50a2.00 5316.14
20028.50 14.50 120.50a340.00 559.00 861.50 1190.50 906.00a761.50 368.50 72.00a45.50 5248.00
200313.50 37.00 220.50a293.00 555.00 877.00a1202.00a1148.50 836.00 591.00 55.00a43.39c5871.89
20048.50a10.50 288.00 443.80b595.50 856.00 1146.50 1088.00 688.00 416.38b37.00 25.50a5603.68
20050.00 8.00 220.50a308.00 585.50 698.00 1102.50 1051.55b658.00 389.00 53.00 9.50 5083.55
200613.00 27.00 96.00 321.00 630.50a896.50 1251.00 949.66b682.00 348.21c149.00 24.50a5388.37
20073.50 49.50a241.00 311.00a653.00a826.50a1260.50 969.50a690.50 275.89c59.67d20.69b5361.26
20080.00c11.00a55.50a181.00 566.50a745.50 1099.00 1033.00 646.29b323.50a93.50 19.50 4774.29
20095.50a21.00a95.50 293.00 586.50 748.00a1058.50 990.00 798.50 217.00 30.50 0.00 4844.00
20100.00 7.50 89.00 221.50 380.00 698.50 1028.00 1012.00 705.50a495.50 125.50 2.00a4765.00
201115.00a23.88b96.50 198.86b435.50a711.50 1008.50 1076.25c832.50 402.50a41.50 24.00a4866.49
201215.00 21.00 178.50a399.56c527.50a755.00 1184.50 1079.50a773.00 347.00 128.00 48.50 5457.06
20136.50 14.50 147.50 372.00 634.50a829.00 1255.00 1151.00 800.00 329.48b68.50 10.00 5617.98
201412.00 66.91e212.50 329.50 670.50a814.50 1224.00 1092.50 797.00 505.00 123.52c54.50 5902.43
20150.50 109.50 292.50 321.00 672.00 999.00a1079.00a-----z-----z-----z-----z-----z3473.50e
Period of Record Statistics
MEAN14.89 41.10 158.30 334.99 592.36 788.33 1053.19 1000.47 715.12 407.07 87.38 22.76 5214.43
S.D.22.44 32.04 63.30 80.63 81.04 84.04 88.17 81.96 86.42 80.02 45.36 22.69 355.10
SKEW2.76 0.94 0.47 -0.02 0.07 0.56 0.15 -0.01 -0.15 0.48 0.42 1.35 -0.06
MAX126.50 146.00 300.00 502.50 801.00 1006.50 1260.50 1177.00 897.50 629.00 202.00 101.50 5956.50
MIN0.00 0.00 50.00 141.50 380.00 653.50 802.00 806.00 515.00 217.00 12.50 0.00 4452.00
YRS76.00 81.00 81.00 81.00 80.00 81.00 81.00 79.00 80.00 78.00 78.00 80.00 72.00