366 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 105 



PORTLAND, OREG., UNITED STATES 



Lat. 45°32'N. Long. 122°41' W. Hb = 153 ft. 



PRESSURE AT STATION LEVEL : COR. TO 0° C. (32° F.) AND TO 



GRAV. AT 45° LAT. 



Means of KS^ + l?"), 120th meridian W. 



29 inches + 



TEMPERATURE IN DEGREES F. h, = 68 ft. 



Means of i(daily Max.+daily Min.), corrected to 24 hours 



TOTAL PRECIPITATION IN INCHES, hr = 63 ft. 



Date Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Year 



2.40 1.09 3.13 



3.57 1.50 0.07 



0.95 3.59 2.60 



2.46 l.GO 0.96 



2.48 0.01 0.50 



0.80 3.72 2.43 



6.22 1.06 3.88 



2.02 0.65 0.45 



0.60 1.08 1.73 



2.70 1.57 0.06 



T 0.04 2.10 



0.48 0.45 0.11 



T 0.86 2.97 



0.11 0.33 1.32 



0.28 0.20 0.86 



0.40 0.07 1.41 



0.20 1.41 2.06 



0.25 0.85 1.38 



0.79 1.62 0.60 



0.39 0.07 3.50 



Mean 5.40 4.88 4.96 2.42 1.65 1.58 0.29 0.53 1.64 3.38 5.24 9.01 40.97 



