- 
TEMPERATURE OF EVAPORATION, 1845. 
45 
TABLE VI.—Extremes of Temperature for each Month from the Register Thermometers ; Extremes 
of Daily Mean Temperature, and of Diurnal Ranges, obtained from the Hourly Observations 
for 1845. 
Extreme Temperatures. Extremes of Daily Mean Temperature. || Extreme Diurnal Ranges. 
Month. 5 
Highest. Lowest. | Range.| Mean. || Highest. Lowest. | Range.| Mean. |} Greatest. Least. 
d. 5 d. 2. 2 S d. 2 d. 2° = °. d. age d. G 
Jan. 5 | 51-2| 31 |—2-0) 53-2 | 24-6 || 23 | 46-5) 31 9-6| 36-9 | 28-0 || 31 | 28.9] 27 | 5.9 
Feb. 13 | 44.9} 1 6-7| 38-2) 25-8 || 13 | 39-6] 8 | 27-6] 12:0] 33-6 2 | 26-0} 11 | 3-2 
March |} 31 | 56-2) 16 | 15-3] 40-9 | 35-7 || 22 | 47.4/ 15 | 23-2] 24.2 | 35-3 | 25 | 21-8] 7] 66 
April || 25 | 65-7| 6 | 24.2} 41-5 | 45-0 || 30 | 52-5] 41] 38-4] 14.1] 45.4 6 | 35-0] 10} 4-9 
May 15 | 67-0} 14 | 31-5) 35-5 | 49-2 | 16 | 55-1] 8 | 41-6] 13-5 | 48-3 || 11 | 25.0] 296] 2.8 
June 12 | 78-3} 1 | 36-6] 41-7 | 57-4 || 12 | 64-5] 28 | 48-0] 16-5 | 56-2 1 | 29-0] 28 | 8.0 
July 10 | 71-6} 29 | 35-2] 36-4 | 53.4 7 | 61-5] 22 | 50-8} 10-7 | 56-1 || 29 | 23.4] 21 | 4.2 
Aug. 29 | 73-6| 22 | 35-7] 37-9 | 54-6 || 29 | 59-6} 16 | 51-0 8-6 | 55-3 || 28 | 26-7) 9] 4-5 
Sept. 1 | 75-1] 24 | 28-1} 47-0 | 51-6 1 | 60-6| 23 | 39-9} 20-7 | 50-2 || 15 | 25.8} 10] 7-3 
Oct. 14 | 62-7} 6 | 26-0) 36-7 | 44-3 | 14 | 56-8| 6] 39-8} 17-0 | 48.3 6 | 25-3] 29 | 3-8 
Nov. 6 | 55-8| 4 | 24-7) 31-1 | 40-2 | 26 | 52-0} 24 | 32-3) 19-7 | 42.1 4 | 20-2} 28 | 2-9 
Dec. 27 | 52-0) 13 | 20-4) 31-6 | 36-2 | 30 | 45-0] 13 | 28-3] 16-7 | 36-6 || 14 | 25.0| 9 | 5-4 
a 
TABLE VII.—Daily and Weekly Means of the Temperature of Evaporation, as deduced from the 
readings of the Wet Bulb Thermometer, in 1845. 
ODNIMANAwWNe 
April. 
39-3 
38-9 
36-7 
37:6 
37-9 
[38-5] 
42:8 
39-9 
36-2 
37-1 
36-0 
May. 
48-0 
44-2 
