METEOROLOGICAL RECORD OF OAKLAND, CAL., FOR 1878. 



45 



STATISTICS OF METEOROLOGY IN THE CITY OF OAKLAND, 

 CALIFORNIA, FOR THE YEAR 1878. 



Observations taken at seven o'clock a. m., two o'clock p. m. and nine o'clock 

 p.. m. of each day, by J. B. Trembley M. D. Latitude, 37 deg. 48 min. 20 sec. 

 north; Longitude, 122 deg. 15 min. 20 sec. west. Height above the sea twenty- 

 four feet. 



TEMPERATURE. 



Table showing the mean temperatures of the months, warmest and coldest 

 days ; also, the maximum and minimum temperatures, the greatest and least daily 

 variation, monthly and mean daily range of 1878. 



1878 



January . . 

 February . 

 March. . . 

 April . . . 

 May . . . 

 June . . . 

 July . . . 

 August . 

 September. 

 October . . 

 November. 

 December. 



2 «5 



P. o 



S § 



Means 55-28 



5°-o3 

 50.81 

 5402 

 55-3° 

 57.88 



59-34 

 59.20 



59-55 

 59.3 2 

 58.05 



53-39 

 46.49 



2 ° 



57.66 

 56.66 

 60.33 

 62.00 

 65.00 

 64-33 

 64 33 

 65.00 

 6466 



69-33 

 58.00 

 58.00 



62.13 



Oh ■" 



u 



36.66 

 45.00 

 47.00 



45-33 

 55.00 



5633 

 56.33 

 57.00 

 56.00 

 51.66 

 47.00 

 37.00 



49.19 



C 



66 



28 



61 



38 



69 



39 



73 



40 



81 



47 



79 



52 



79 



52 



77 



53 



79 



48 



84 



42 



69 



36 



73 



27 



74 



41 



24 



> 



ct ft 



(4 v 

 a, 



38 



23 

 30 

 33 

 34 

 27 

 27 

 24 

 33 

 42 

 33 

 46 



32.5 



fii P. 



Q 2 



O.66 

 O.I4 

 I.03 

 2.63 



3-67 

 3.06 

 3.06 

 2.25 



3-93 

 9.70 



5-i3 

 8.61 



13-65 



RECAPITULATION OF TEMPERATURE. 



Mean temperature of the year 55. 28 



Mean temperature of warmest day, October 21st °9-33 



Mean temperature of coldest day, December 29th •••.... 37. 



Maximum temperature for the year, October 21st, two o'clock p. M 84. 



Minimum temperature for the year, December 29th, seven o'clock A. M 27. 



Greatest daily variation, December 3d 33. 



Least daily variation, February 17th 2. 



Greatest monthly range, December 46. 



Least monthly range, February 23. 



Average daily range, for the year l 3-(>5 



Average monthly range for the year 32.5 



Yearly range of temperature 57. 



SEASONS. 



Mean temperature of Spring , 55-73 



Mean temperature of Summer 59-36 



Mean temperature of Autumn 56.92 



Mean temperature of Winter 50.12 



Difference between coldest and warmest months of Spring 3.86 



Difference between coldest and warmest months of Summer 35 



Difference between coldest and warmest months of Autumn 5.93 



Difference between coldest and warmest months of Winter 1.28 



Difference between coldest and warmest months of the year , 13.06 



