Published November 1974. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalo

Oregon State University. Agricultural Experiment Station

United States. Weather Bureau

Undetermined

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•	 Local Climatological Data forOregon State University1973With Normals, Means, and Extremes(Special Report 277,-I'levisedsj November 1974•Agricultural Experiment StationOregon State University, Corvallisin cooperation with theUnited States Department of CommerceNational Oceanic and Atmospheric AdministrationNational Weather ServicePREFACE Miscellaneous Paper 105, Agricultural Experiment Station, OregonState University, entitled "A Summary of Climate and Weather forCorvallis, Oregon 1899 through 1960" by Wheeler Calhoun was pub-lished in March 1961. The United States Department of CommerceNational Weather Service, working with the Crop Science Departmentat Oregon State University, has instrumented the Hyslop Field LabWeather Station to measure additional elements important to agri-cultural scientists. There will be a continuing need for a publi-cation to make these data readily available to researchers. It isplanned that local climatological data from the Hyslop Field LabWeather Station will be published annually.Earl M. BatesAdvisory Agricultural MeteorologistNOAA, National Weather ServiceOregon State UniversityCorvallis, OregonWheeler Calhoun, Jr.Associate Professor of AgronomyOregon State UniversityCorvallis, OregonS -O4-)ts	.c)a)LJ-n:fr-- ‘4- CI" LC) (NJ CO cy) .4zt cp LC) 0.1 CO r-- 	4 CO CO r-- d1 r-- 0.1 K 4- CZ) 00O C) N	(:) 4 COr-. CO Cr) LO s. 1.0  01 CZ) N. LO L) 4- 4- CO 4- 01	Lf) LC) CO CZ) CX) CO LO LC) a)r--10 CZ) CZ) lf)	rt- CZ) 4.0	r-- CO C\J CLJ LO r-- C\J 4 ti) LC) lO r-- Lf) (Z) CO lf) r-- r-- 01 LI) Cr)01 Cr) 00	0.1 CX) r-- C\J CO CZ) r-- CZ) CZ) 0.1 r-. r-. r-.	ko	LO r-. r-.rcU0OQ)	•-)CD	(:)V).r-r-- 	0.4- C71 01	CO CX) LO (Z) 03 4 CO LC) r-. 01 01 r-- Lf) C=) (1.1 Cr) CO	CX) r-, 4 r-. m:r CX)Cr) C\I CZ) r-. 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(Z) CZ) CLJ r-- Cr) CZ) LC) .rr-- CX) CX) CO 01 C1 J CO 4- CZ) 01 CX) LC) CO CLJ LC) 	LC) LC) 0J .4:1- CZ) LO 01 01 Lc)	ChrlO lC) CZ)O C3)r-,lf) LC) LC) LC) LC) Lf) LO LC) LC) LC) Lf) LC) LC) LC) LO LC) ...C) LC) 1.0 LC) LO LC) LO LO L11 Lf) Lil LO LC) LC) LC)4- LC) 01 CZ) CX) r-- CO CO 01 4- CO CZ) 01 CO CZ) 01 LC) C\J 01 01 r-- (Li O CLJ CO CZ) r-, CO C\J 01CY) CZ) 01 01 LO Lf) CO CO r-- C)1 LC) CZ) Lf)	co, LC) C1J C1J r-- LO LCI	(Z) 4- LC1 r-. r-- CO NOLO LC) 4- LC) LC) Rd- LC) 4	CD LC) CI- LC) LC) LO LC) lC) LC) LC) LC) LC) nj- LC) LO LC) LC) LC) LC)O1NCOLc)MLC)N'VNOO1Cf CX) 01 lC)	LC) CY) CY) lC) CZ) 01 LC) . 4' 4 CY ) 01 LC) r-- 01 LC)r-. CK) 0.1	LO r--	r-. r-, cc) al 1.0	LC) 10 CZ) LC) 1.0 r-- r-, r--	r-, co CT .47 CO .4t" r-- Loce) Rd- .4,r CY) CYI 01 .4 CO CO 4 .4 4 LCI LC) c:Jr LII LC) LO LC) .4' LCI 4 4- 4 4- . 4 LC LC) LC) LC1 LC)01.4	LC) CZ) LC) 01 to cx) CC) r-. OJ Cr)	r-- C1J CZ) CZ) CZ) re) co 0.1 r-- lC)	lC) 4- 0JCDVICOMCOC\Jcr)00 d- 4.0 4:::) LO010) C\I 	Ci'OM01rMtf)O N4.00.1010)(Y)0101COC1J C1J CY)C0010)01CY)01010JCOOJ 01C-CY)01 . 40)0.1 .4-01Cr)(:) cc)	(:) C\J r-. to co to kc,	C\I Lc) r-, cr ) r--	CZ) LC) 01 03 ct	r-. C\J r-- CZ) C\ICO 00 LC3 rs. CZ) r-- LC)	c:)	r-- r--	C1.1	tC) CO oo LC) r-- CO r-- LC) C\I LC) CZ)	CLJ r--r-- r-- r-- r-- C\J C\J C1J CLJ CNJ r-- C\J 0J OJ CLJ C1J CLJ M C1J C\J 0') OJ C1J CLJ C\I C1J C1J CLJ CLJ CO Cr) C\JO1\ CO 01 01 OJ CC) C\J 0.1 03O rM OJ co r-- C1J CK) LC) 01 CO LLI 01r r-- LC) CX) 00 CC)CZ) C1J T co	r-- LC) Lo ce) Ch Lc) C1J LC) 0.1 Cr) Cr) r-- Ct 01 CC) r-. LC) 1`... cx) r CZ) 01 CLJ C\Jr-- r-- r-- 		 C1J CLJ r r r--LO 04 CO CX) 4- 01  CO (:) cc) 	cs) qzr cv ) r-. 	r--	r--	C1J l0	ko LC) 01 r-- LC) 4-LC) r- 01	CO CX) r-.	CZ) 11",. LC) kg) CO tc)	(:) r-- CO Cr ) 04 C) r-- C\J r-- 0.1	r-- 01 r--r--	r--	03r--	Cr) 4 LCI l0	CO 01 CZ) r- C\J CO 4- L) lC) r-, CX)	(Z) r-- C\I CO	Lf)10NO01Or		C\1 C1J C\J C1J C\J N 0.1 CLJ CLJ CY) COLatitude 44° 38'Longitude 123° 12'Elevation (ground) 225 Ft.METEOROLOGICAL DATA FOR THE CURRENT YEAR HYSLOP FIELD LAB, CORVALLIS, OREGON 1973Tperatureem Precipitation lavetiWmidity WindEw .->8 2Number of daysAverages Extremes Snow, Sleet Fastest mile 8 A.M. Max. temp. Min. temp.Month ca›-..0-0w0 w0, a, tY' 0c0 0• 	 <LIP., ta--s4 0.0 ..-.0	 §2	 w...-.•15	 :A oil2c,?, 0-2a . 5 0 -0. . , 0...0 . .LEljE713.C:) .Ea8a)-cl.5,xa)...,m3.w.a) co-Acoa)'-'en3oE.Va)	 oi1 11*.	 1'C.7	 (NI215A3E2,,°402	 u'2 -6'6 7.;2A.r. cz..0:,0.-r4 co,D __,..,K4 53. 5. .2. (11 --ot 11,..)4 "0-1,),wcg'0Iti. r.,., 2A4..)_cMI CIc01--1F„,)-L..a.)	 001 ta0 ..i.,	 14al>..e°1.1_a;op.175>s.--It0 00. 734g,-,o,...:s:).""	 -an.	 „...1.))4 -6:i-	 a.02, .En	 ..;4)Ts041E.n,.-0(/)	 00 >00b -.00) 'd-00 300Na)cY)-C4-o0 300z.1 Ic0 -aoal 00.--n2A'J 44.8 31.3 38.1 56 15 0 20 7 5.56 1.60 13 _7 85 76 76 84 4.3 S 8 n 2 3 2 1 0 1 19 0F 52.6 36.8 44.7 63 22 27 19 1.65 .70 25 0 83 72 61 78 4 4 N 8 1 19 12 0 0 8 0M 53.3 36.3 44.8 62 16 31 14 1,63 .80 19 T 96 67 63 92 3 5 S 10 6 15 19 0 0 5 0A 60 9 39 1 50.0 73 12 29 2 1	 7C 49 17 0 92 50 43 77 3 9 N 4 41 17 3 10 9 0 0 4 0M 70.1 43.5 56.8 88 14 34 26 .85 .29 24 0 91 51 35 71 4.2 N 6.10 20 3 8 11 n __0_ 0 0J 73.4 49.6. 61.5 92 27 33 1 1	 38 58 25 0 91 55 37 68 4.2 N 6,50 13 5 12 8 1 0 0 03 82.9 51.0 67.0 99 15 43 24 $ .02 .02 21 0 90 44 24 61 4.5 N 9.48 22 1 8 1 10 0 0 0A 78.9 48.6 69.8 8R 13 0 37 22 70 35 25. 0 93 58 32 65 4.3 N 6.88 23 1 7 3 n 0 0 0S 75.1 50.5 62.8 97 5 41 1 2.52 .45 23 0 84 73 40 71 4.8 N 4,79 18 3 9 9 2 0 0 00 62.0 43.6 52.8 72 16 34 2 2.70 .47 21 0 96 90 58 91 3.2 S 2,09 4 6 21 18 n 0 0 0N 49.3 38.3 43.8 67 10 27 3 18.28 2.22 16 T 96 91 88 94 5.3 S 5 1 24 28 0 0 7 0D 48.9 38.5 43.7 36 25 30 9 12.40 2.17 21 0 96 92 91 95 4.5 S 1 3 27 29 0 0 4 0Year 62.7 43.0 52.5 99 JUN 20 JAN 51.44 2.22 NOV 0.2 91 68 54 79 4.3 N 40.2E 149 33 183 168 13 1 47 019 7 160 Also on earlier datesNORMALS, MEANS, AND EXTREMES4:1'TemperaturmqPrecipitationRelativehumidity Wind0>,0;2..-1c.>1.-- C.ci °c .risms '0I, g00...02o.a)CO011.20a.ai-c00c-c>).-C °4 i ti.c aal, `;.3z wMean number of daysNormal ,-.§.478a8za ›,0 --.AtSI 0PI',EI'A0 ›,--o 074 fai',;:l›T,0	 th11T4 g.'irl`..)Snow, Sleet.i`4"..0°0:'4'0:°.-dw0 "0 .0a)	 ›,-5"0-0ty,0 °.....	 274 tE	 Li),....:173aFastest.8 A.MObservation),„ §2 .0rd7o. -0a , u.6 .20 .'a_top-, 0,--, 0En El-3 8000cn.--;g11a)71o0..0E-.to0-.-4›.>niWZMax.temp.Min.temp.00...	 041 ".(---)aS›. 0.--..til' •ci Aa,--.-04-',5'-0 -t,,	 a,o xi2	 -,f:4 :a74 "to'0v2ag 4).(e)›-.-712mrdA'a ›,° .755'00i e:igA0 6',,T4'i.5 A..0$R.r.)0,)-4a)'.."I4c) a o U0coA II0clcoVII0CIcoVIIa)NVIIa 30 e 30 e 30+ 80 80 30+ 34 80 7 7 7 6 17 34 340341341334_#J 44.4 32.1 38.8 64 19406 -1 1950 7.08I-S:A13 ile-1.99 1920 4.28 1965 4.8 51.9 1950 91 85 32 91 "02 3 9 19 19F 49_5 34_7 41, 1 69 19160 -5 1899 4_83 15 23 1904 12 1920 2 76 1961 0 8 9.5 1923 91 82 67 87 '43 5 10 13 17 0 # 7 __ILM 54.0 36.8 45.5 78 19470 13 1891 4.20 11.70 1904 .43 1926 1.89 1916 0.6 6.5 1891 90 72 60 84 247 7 12 1? 19 0 0 7 0A 61.0 40.5 50.1 91 1926 24 19680 2.05 7.99 1937 .22 1939 2.06 1937 T 1.5 1911 90 64 51 79 333 2.48 9 12 9 13 0 0 9 0M 67.7 45.5 55.7 99 1922 28 19150 1.77 5.71 1896 16 1947 2 23 1941 0 6 - - 93 54 42 80 481 4.17 10 13 8 11 0 0 # 03 72 9 49.2 61 0 102 1925 12 19290 1.15 3,48 1952 0 1918 2 14 1957 n92 54 41 79 544 5.41 10 12 8 8 1 0 # 0J 81.2 51.6 65.9 107 1946 36 19210 0.33 2.72 1947 0 19670 1.75 1947 0 0	 - - 91 44 32 75 586 7.72 17 11 3 2 4 0 0 0A 81.1 51.2 65. 1105 1972 35 1910 0 55 5.24 1968 0 1'550 1_35 1968 0 - - 91 47 31 71 477 6.81 16 10 5 3 3 0 0 0S 75.8 48.3 62.0 0 0	 - - 86 58 41 74 370 4.58 14 11 5 6 2 0 # n0 64.2 43.0 53.2 90 19360 13 1919 9.70 1950 T * 2 26 1974 0 2 5.0	 1936 93 80 56 78 210 1	 81 8 12 11 13 0 0 1 0N 52.2 37.2 45.3 73 1890 10 1896 6 04 18 28 1973 22 1890 1,16 1 921 0.3 9.5	 1955 93 85 82 91 106 4 10 16 17 0 # 6 0D 46.8 35.1 41.0 19500 -14 1919 6 83 14 47 1968 2.33 1930 3 58 1941 0_8 20.5	 1919. 93 88 85 92 72 3 8 20 20 0 # 9 #Yr. 62.6 42.1 52.3 107 1946_..... -14 1919 39.70 18.28 1973 0 4.28 1965 7.5 51.9	 1956 92 68 56 82 3298 106 130 129 146 10 1 52 #(a) Length of record, years.	 DEC	N0 Also earlier dates	 •	 Se 1931 - 1960 (adjusted to present location)# Less than 1T Trace* Missing Data+ 1941-1970 NormalsPROBABILITY DATES OFFIRST FALL OCCURRENCE OF. VARIOUS FREEZINGTEMPERATURESTen Per Cent Chance Of:32° 28° 24°Albany October 13 October 31 November 9Corvallis October 11 October 25 November 12Eugene October 9 October 25 November 7Forest Grove September 25 October 19 November 4Portalnd November 3 December 2 December 9Salem October 9 October 22 November 7Twenty Per Cent Chance Of:32°	 28° 24°Albany. October 20 November 6 November 20Corvallis October 18 November 1 November 23Eugene October 16 November 1 November 18Forest Grove October 3 October 26 November 15Portland November 10 December 9 December 20Salem October 16 October 29 November 18Fifty Per Cent Chance Of:32°	 28°	 24°Albany	 November 3	 November 22	 December 14Corvallis	 November 1	 November 17	 December 17Eugene	 October 30	 November 17	 December 12Forest Grove	 October 17	 November 11	 December 9Portland	 November 24	 December 25	 January 13Salem	 October 30	 November 14	 December 12Data for these tables extracted from Experiment Station Bulletin No. 581PROBABILITY DATES OFLAST SPRING TEMPERATURE OCCURRENCE OF VARIOUS FREEZINGTEMPERATURESWILLIAMETTE VALLEYFifty Per Cent Chance Of:24°	 28°	 32°Albany	 January 21	 February 20	 April 2Corvallis	 January 28	 Februayr 27	 April 15Eugene	 January 21	 March 6	 April 8Forest Grove	 February 10	 March 29	 April 26Portland	 January 15	 January 24	 February 28Salem	 February 1	 March 9	 April 19Twenty Per Cent Chance Of:24°	 28°	 32°Albany	 February 13	 March 12	 April 17Corvallis	 February 20	 March 19	 April 30Eugene	 February 13	 March 28	 April 23Forest Grove	 March 5	 April 18	 May 11Portland	 February 7	 February 13	 March 15Salem	 February 24	 March 28	 May 4Ten Per Cent Chance Of:24°	 28°	 32°Albany	 February 25	 March 21	 April 26Corvallis	 March 4	 March 28	 May 9Eugene	 February 25	 April 6	 May 2Forest Grove	 March 17	 April 27	 May 20Portland	 February 19	 February 22	 March 24Salem	 March 8	 April 7	 May 13Data for these tables extracted from Experiment Station Bulletin No. 581

Local climatological data for Oregon State University 1973 : with normals, means and extremes

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Local climatological data for Oregon State University 1973 : with normals, means and extremes

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