260 



TRANSACTIONS OF THE 



September Weather in Sacramento, from 1877 to 1887. 



The following table gives the monthly average barometer; the highest r 

 lowest, and monthly range of barometer; the monthly average tempera- 

 ture; the highest, lowest, and monthly range of temperature; the greatest 

 and least daily ranges of temperature; the monthly average maximum, 

 minimum, and range of temperature; the average relative humidity and 

 dew point; total rainfall; the prevailing direction, total, and maximum 

 velocity of wind, with the direction at time of the maximum velocity; total 

 number of clear, fair, and cloudy days, and number of days rain fell; 

 solar and lunar halos; number of days the maximum temperature was 

 above 90°; and the highest, lowest, and monthly range of water in the 

 river: 



September : 



1877. 1878. 



1879. 



1880. 



1881. 



1882. 



1883. 



1884. 



1885. 



1886. 



1887. 



Average barometer 



Highest barometer 



Lowest barometer 



Monthly range of barometer. 



Average temperature 



Highest temperature 



Lowest temperature 



Monthly range of temperature 

 Greatest daily range of tem- 

 perature 



Least daily range of tempera- 

 Mean maximum temperature 

 Meato minimum temperature. 



Mean range of temperature 



Average humidity 



Average dew point' 



Prevailing wind •< 



Total precipitation 



Total velocity of wind 



Maximum velocity of wind 



Direction at time of maxi- 

 mum velocity 



Clear days 



Fair days 



Cloudy days 



Days rain fell 



Thunder and lightning storms 



Solar halos 



Lunar halos 



Number of days maximum 

 temperature rose above 90°_ 



Highest river 



Lowest river 



Eange of river 



29.85 

 30.10 

 29.70 

 0.40 

 72.8 

 98.0 

 49.0 

 49.0 



40.0 



19.0 



87.6 

 57.3 

 30.3 

 43.0 



S. 



none 

 4.009 

 20 



N.W. 



30 

 

 

 

 

 

 



12 

 5.2 

 5.2 

 0.0 



29.92 

 30.12 

 29.77 

 0.35 

 69.0 

 92.0 

 48.0 

 44.0 



34.0 



12.0 

 81.6 

 55.6 

 26.0 

 51.0 



29.91 

 30.05 

 29.77 

 0.28 

 70.5 

 96.0 

 52.0 

 44.0 



37.0 



19.0 

 85.3 

 57.3 

 28.0 

 54.4 



S. 



0.29 



4.051 

 24 



N. 



23 

 6 

 1 

 3 

 

 

 



4 

 6.3 

 5.5 



0.8 



S. 



none 

 3.395 



22 



N.W. 



23 

 7 

 

 

 

 1 

 



10 

 6.4 

 5.8 

 0.6 



29.92 

 30.06 

 29.73 

 0.33 

 68.0 

 92.0 

 48.0 

 44.0 



35.0 



23.0 

 83.2 

 54.9 

 28.3 

 54.9 



none 

 4.014 

 16 



N. 



28 

 1 

 1 

 

 

 1 

 



4 

 9.3 



7.8 

 1.5 



29.89 

 30.16 

 29.61 

 0.55 

 67.8 

 96.1 

 50.0 

 46.1 



37.7 



12.8 

 82.1 

 55.5 

 26.6 

 52.8 

 48.5 



S. 



0.30 

 4.694 



22 



N.W. 



26 

 4 

 

 1 

 

 

 



5 

 6.8 

 6.4 

 0.4 



29.93 

 30.19 

 29.77 

 0.42 

 68.4 

 99.6 

 44.4 

 55.2 



36.5 



5.2 

 82.7 

 56.8 

 25.9 

 59.4 

 52.0 



S.E. 



&S. 



0.57 



3.905 



27 



N.W. 



26 

 3 

 1 



2 

 

 1 

 



6.8 

 6.5 

 0.3 



29.90 

 30.05 

 29.72 

 0.33 

 71.6 

 101.0 

 52.9 

 48.1 



40.0 



10.0 

 87.3 

 59.6 

 27.7 

 57.6 

 54.6 



S. 



0.90 



3.657 

 16 

 S.W. 

 &S. 

 24 



5 



1 



3 















8 

 6.8 

 6.5 

 0.3 



29.93 

 30.16 

 29.62 

 0.54 

 64.8 

 93.5 

 49.0 

 44.5 



33.0 



19.0 



79.5 

 53.5 

 26.0 

 63.4 

 51.2 



S. 



0.60 



4.847 



27 



N.W. 



27 

 3 

 

 4 

 

 

 



1 

 8.5 

 7.8 

 0.7 



29.86 

 29.97 

 29.74 

 0.23 

 69.8 

 98.5 

 50.5 

 48.0 



41.8 



14.0 



88.2 

 56.3 

 31,9 

 52.6 

 49.4 



0.08 



4.468 



20 



N.W. 



27 

 3 

 

 1 

 



1 







11 



7.8 

 7.3 

 0.5 



29.87 

 30.04 

 29.77 

 0.27 

 67.9 

 96.0 

 49.0 

 47.0 



40.0 



20.0 

 86.0 

 55.0 

 31.0 

 59.0 

 51.5 



S. 



none 

 3.364 

 26 



N.W. 



30 

 

 

 

 

 

 



9 

 8.2 

 7.4 

 0.8 



29.87 

 30.04 

 29.65 

 0.39 

 70.4 

 100.0 

 45.7 

 54.3 



39.5 



16.2 

 86.3 

 55.3 

 31.0 

 53.3 

 50.9 



N.W. 



.02 



4.052 



24 



N.W. 



&S.W. 



23 



7 







3 



1 



2 







10 

 7.3 

 7.2 

 0.1 



