OREGON CITY, OR

Monthly Sum of Growing Degree Days (Degrees Fahrenheit)

(356334)

Base Temperature = 40 F

File last updated on Sep 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
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-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1914-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1915-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1916-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1917-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1918-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1919-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1920-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1921-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1922-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1923-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1924-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1925-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1926-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1927-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1928-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1929-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1930-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1931-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1932-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1933-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1934-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1935-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1936-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1937-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1938-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1939-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1940-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1941-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1942-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1943-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1944-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1945-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1946-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1947-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
194816.50u90.50 159.00 278.00 527.50 772.12b772.50a753.50a633.00 420.50 122.00 40.50a4569.12a
19490.00 75.50 222.50 403.00 623.50 672.50 791.00 819.00 693.50 253.50 283.00 88.00 4925.00
195015.00 135.00 174.50a321.50 489.00 685.00 817.50c876.50a655.00 393.50 222.00 224.50 5009.00
195174.50 113.00 124.50 444.00 547.50 745.50 857.50a792.50a703.50a449.50 199.00 45.00 5096.00
195238.00 93.50 164.00 419.50 570.50 633.00 888.00a876.00 758.50 594.00 98.00a91.00 5224.00
1953251.50 129.00 204.00 333.00 484.00a574.50 843.50 863.00 710.00 476.00 272.00 124.00a5264.50
195469.50 126.00 144.50 332.00 576.50 579.00 758.00 755.50 618.50a433.50 328.50 97.00 4818.50
195557.00 60.23b96.00 216.00 448.00 665.50 747.50 806.50 660.50 434.50a184.50 98.00 4474.23
195699.00 27.00 174.00 429.00 648.50 605.50 915.50 790.00a673.50 369.00 145.00 118.00 4994.00
19577.50 128.50 230.00 411.00 614.50 669.50a787.00a775.50 816.50 429.00 146.50 146.38b5161.88
1958146.50 280.00 199.00 365.00 720.50 811.00 1012.50 991.00 695.50a508.50a239.00 194.50 6163.00
1959163.50 117.50 225.00 392.00 514.00 701.50 913.00 825.50 615.00 475.50a206.00 83.00 5231.50
196043.50 131.00 244.00 372.00 471.50 729.00 924.50 795.50 690.00 484.00 209.00 79.00 5173.00
1961192.00 208.00 253.00 332.00 529.50 818.00 936.00 970.50 583.00a425.00 133.00 111.00 5491.00
196286.00 142.00 195.00 409.00 424.50 680.00 831.50 834.00 733.00 443.00 252.50 137.00 5167.50
196332.50 255.50 207.00 293.00 575.50 639.50 747.00 851.00 794.00 474.00 235.50 89.00 5193.50
1964104.00 92.50 181.50 295.50 475.00 625.00 842.50 791.00 638.00 491.50a125.00 89.00 4750.50
196585.50 128.00a327.00 389.50 458.00 649.50 880.00a872.00 635.00 506.50 278.19c78.00 5287.19
196663.50a96.50 218.00 390.00 569.00 692.50 823.00 863.50 751.50 443.00 253.50 176.00 5340.00
1967148.50a130.50a164.50 238.50 574.50 815.50 932.00 1053.50 814.59b447.86c251.50 128.50 5699.95
1968102.50 318.00 315.50 313.50 558.00 708.00 870.50a826.00 705.50 409.50 228.00 51.00 5406.00
196915.50a78.00 273.50 346.00 665.50 817.00 831.50a820.50 709.50 392.00a197.50a123.00 5269.50
1970121.00 220.50 255.00 256.00 565.50 808.00 877.00a893.00 623.00 424.50 230.00a67.00 5340.50
1971111.00 109.00 155.00 319.50 577.00 592.00 909.50 970.00 620.00 374.50 168.00 41.00 4946.50
197269.00 156.00 293.50 240.00 637.00 705.50 957.50 966.50 628.50 421.50 254.00 130.00a5459.00
197374.50 177.50 215.00a368.00 628.50 698.00 909.00 780.00 721.00 398.00a127.00 142.00 5238.50
1974114.50 83.50 245.00 344.00 475.00 726.50a845.50 897.50 825.00a485.50 226.00 141.50 5409.50
1975116.00 82.50 143.50 230.00 549.00 650.00a895.50 764.00 807.50 408.50a166.50 138.10b4951.10
1976128.50a88.00a166.50 320.67d526.61c589.50a832.00a776.79c727.07b435.00a258.21d45.50a4894.35
197762.00 179.00 201.00a396.68b444.50 753.50 814.14b979.50a611.59b466.50a182.29b138.00a5228.69
1978116.00 216.00 332.50 338.00 508.00 799.00 913.00 877.50 642.00 560.00 130.50d46.00 5478.50
197913.00 107.50 344.00 384.00 613.00 702.21b938.00 875.00 759.50a541.50 153.00 166.00 5596.71
198037.50 152.00 192.00 412.50a529.50 586.50a907.00 776.00a681.50c495.00 228.50a163.50 5161.50
1981134.50 166.50 283.50 391.00 525.00a651.50 869.50 1005.00 719.00a433.50 241.50 120.00 5540.50
198281.00 114.00a214.50 253.50 553.50 764.50 843.00 897.00 687.50a473.50 151.00 104.00a5137.00
1983168.21c227.00 330.00 386.00 645.00 -----z801.00 860.50a615.98c444.50 245.50a53.50 4777.20a
1984163.50a159.00a-----z267.50a466.67d618.13c840.00a829.14b-----z359.00 177.50 28.97b3909.40b
198514.48b87.75b148.00 384.50a506.50a669.90e981.96c864.50 602.31d413.33d100.98b17.68c4791.90
1986153.21c155.00a375.00a305.50a533.65e640.50f748.93c549.00n90.00x505.00d229.00a-----z3005.30d
198785.00a182.50a295.50 469.00a623.79b783.00b815.50a900.00a609.00f569.50a266.58d86.90b5077.27a
198851.00a196.50a246.21b377.00c512.68c672.00a884.48b858.00 721.65d583.00a224.75b87.50 5414.77
1989117.32c64.90b219.64c513.50a566.25c770.73d782.68c791.25c764.88b454.50a260.50a92.00a5398.15
1990135.00a130.50d321.72b457.50a529.00a707.81c918.21c751.00g811.00a419.48b239.25b59.00 4728.49a
1991102.50a293.00 217.76b323.30c456.00a592.00a908.28b904.00 818.00a497.00a228.50a112.00 5452.33
1992182.50 277.50a427.24b472.00a740.17b825.43c918.21c949.14b681.50b510.00a184.60d44.48b6212.77
199370.00 110.50 323.57c392.00 697.50 667.56d738.50a888.10b796.50 579.50a99.50 118.00a5481.23
1994168.50a85.15b352.00 431.24c635.69b654.50a933.75c889.50a778.17c457.24b86.50a125.50a5597.74
1995189.00 259.00a287.50a369.75b651.43c712.50a930.50a821.90b793.00a466.55b358.20c119.50a5958.83
1996127.00a168.50a280.00a430.00a468.62b712.50 973.39c882.93b638.52b447.69e187.96c96.67d5413.78
1997110.89c156.81b234.00a369.00 751.15e689.79b901.15e985.00a782.00a432.12e319.00b75.00b5805.91
1998169.00a148.00h329.00a421.54b506.50a727.79d983.57c975.50 791.92d449.44d257.50a128.79b5740.56a
1999123.50 120.00a215.00a354.73b485.69b649.91b613.50i372.50s762.59c511.11d-----z157.78d3380.31c
200045.50i132.50f151.50h350.00i355.50l774.30e633.50j671.50g488.50j475.96e109.50f60.50i1250.26j
2001109.04e113.06d301.07c242.50h145.00v331.50o679.50g632.50i727.32e350.00g251.52d94.62e1596.63f
200293.46e165.24c143.00g411.18b477.69e563.50g661.50i884.44d538.00i378.50f243.02e110.00f2275.04f
2003152.50h161.48b215.00g323.46d366.00m433.50n249.00x926.67d774.00a550.71c148.35d86.90b2971.57e
200475.52b194.50a-----z403.50g606.72b762.12e977.07b979.29c562.50f419.50f127.00f85.00k3595.22f
2005134.44d118.80c338.08e302.00f632.22d503.50g681.00i494.50p363.00n477.41b142.93b101.50 1945.39e
2006149.44d126.00d198.21c409.62b-----z764.36b958.93c694.50h560.00h309.00g182.50f50.50g2606.57f
200735.00h105.00h270.50f296.00f469.00f435.50l955.56d657.00i673.73b232.00m115.50i61.50h1629.29j
200836.11d93.00i112.00k231.00f-----z532.00f-----z957.78d758.30c-----z286.24c64.00f2038.43h
200968.50a88.00a170.50a359.00a631.50 747.50a1011.00a902.00a790.50 404.50a204.55b61.00a5438.55
2010193.93c202.50a299.00a328.84b471.72b630.48c878.50a891.50 692.89b497.14c203.50 143.00 5433.01
2011127.50a66.00 205.34b256.50a446.50 657.87c826.50 900.00d809.00a-----z132.00a39.83b4467.04a
2012100.86b141.68d142.50h409.50 538.93c644.21b878.08e678.00i744.72e381.00f255.00a96.67d3809.65c
201355.00d129.00 280.34b-----z605.17b585.50g674.50i-----z712.73d394.14b138.50h30.54c2206.92e
201462.59b92.94b300.54c379.50a645.54c699.00 1026.00 991.00a846.00 595.50a243.00 173.33d6054.93
2015167.50 277.63e392.50a387.50 643.00a915.00 1000.00a-----z-----z-----z-----z-----z3783.13e
Period of Record Statistics
MEAN101.23 146.22 243.75 360.10 559.23 701.08 880.07 875.30 715.72 460.43 208.22 101.41 5318.64
S.D.54.07 63.64 72.64 65.05 78.67 74.01 73.53 73.68 69.85 63.11 60.68 44.34 356.37
SKEW0.21 0.84 0.32 -0.27 0.41 0.40 -0.07 0.29 -0.04 -0.05 -0.07 0.30 0.40
MAX251.50 318.00 427.24 513.50 751.15 915.00 1026.00 1053.50 846.00 595.50 358.20 224.50 6212.77
MIN0.00 27.00 96.00 216.00 424.50 574.50 738.50 753.50 583.00 253.50 86.50 17.68 4474.23
YRS64.00 64.00 60.00 61.00 62.00 59.00 60.00 57.00 59.00 59.00 61.00 60.00 47.00