288 TRANSACTIONS OF THE 



Monthly Summary for 1886, and January, February, March, and 

 April, 1887, with a Summary for the Spring, Summer, Fall, and 

 Winter. 



January — Mean temperature, 45.7°; 1.2° below the average of many years. 

 Rainfall, 7.95 inches; 4.18 inches more than the average of 35 years. 

 9 killing frosts. Lightning in the northeast, after the heaviest windstorm 

 that has ever visited Sacramento, registering a maximum velocity of 44 

 miles per hour from the southeast. Highest and lowest river, 25.6 and 

 17.1 feet. Highest and lowest temperature, 62° and 28°. 



February — Mean temperature, 53.3°; 2.3° warmer than the average. 

 Rainfall, .29 of an inch; 2.58 inches below the average. A brilliant meteor 

 passed from the east to the west by the north, on the 13th. Hailstorm 

 on the twentieth. Highest and lowest water in the river, 25 and 14.8 feet. 

 Peach trees and other fruit trees in bloom on the eighth. Highest and 

 lowest temperature, 73° and 38°. 



March — Mean temperature, 52.1°; 3° below the average. Rainfall, 2.68 

 inches; .23 of an inch below the average. Highest and lowest river, 19.5 

 and 17.5 feet. 2 light frosts. Highest and lowest temperature, 72° and 

 38°. 



April — Mean temperature, 55.5°; 3.8° below the average. Rainfall, 4.08 

 inches; 2.21 inches above the average. 2 light frosts, being the last frost 

 of the season. Highest and lowest river, 23.8 and 17.5 feet. Highest 

 and lowest temperature, 80° and 39°. 



May — Mean temperature, 62°; 2° below the average. Rainfall, .07 of an 

 inch; .64 of an inch below the average. Highest and lowest river, 23 and 

 21 feet. Highest and lowest temperature, 94° and 44°. 



June — Mean temperature, 69°; 1.3° below the average. Rainfall, none; 

 the average being .13 of an inch. Highest and lowest river, 20.8 and 13.9 

 feet. Highest and lowest temperature, 98° and 52°. 



July — Mean temperature, 72°; 1.2° below the average. Rainfall, none; 

 average of many years, .03 of an inch. Highest and lowest river, 13.7 

 and 10 feet. Highest and lowest temperature, 105° and 52°. 



August — Mean temperature, 72°, which was exactly the same as the 

 average of many years. Rainfall, none; average of many years was .003 

 of an inch. Highest and lowest river, 10 and 8.2 feet. Highest and low- 

 est temperature, 102° and 53°. 



September — Mean temperature, 68°; 1° below the average. Rainfall, 

 none; the average being .11 of an inch. Highest and lowest river, 8.2 and 

 7.5 feet. First wild geese flying south, of the season, on the twelfth. High- 

 est and lowest temperature, 96° and 49°. 



October — Mean temperature, 57°; 5° below the average. Rainfall, .68 

 of an inch; .02 of an inch below the average. Highest and lowest river, 

 8.5 and 7.5 feet. Highest and lowest temperature, 86° and 38°. 



November — Mean temperature, 50.4°; 2.9° below the average. Rainfall, 

 .21 of an inch; 2.01 inches below the average. Highest and lowest river, 

 8 and 7.8 feet. Highest and lowest temperature, 74° and 32°. 20 light 

 frosts and 2 killing frosts. 



December — Mean temperature, 49.2°; 2.1° above the average. Rainfall, 

 2.21 inches; 2.44 inches below the average. Highest and lowest river, 10.9 

 and 7.8 feet. There were 3 light and 3 killing frosts. Highest and lowest 

 temperature, 65° and 32°. 



The mean temperature for the entire year of 1886 was 58.8°, being 1.4° 

 below the average annual temperature of 34 years. The total rainfall was 



