Page:Handbook of Meteorology.djvu/291

From Wikisource
Jump to navigation Jump to search
This page has been proofread, but needs to be validated.
Table 19—Quantity of Rainfall in Cu Ft and U S Gallons per Acre
Inches of
rainfall
Cu ft
per acre
Gallons
per acre
Inches of
rainfall
Cu ft
per acre
Gallons
per acre
0.01 36.3 271.5 0.10 363 2715.4
0.02 72.6 543.5  0.20 726 5430.5 
0.03 108.9 814.5  0.30 1089 8146.5 
0.04 145.2 1086.5  0.40 1452 10861.5 
0.05 181.5 1357.5  0.50 1815 13577.5 
0.06 217.8 1629.5  0.60 2178 16292.5 
0.07 254.1 1900.5  0.70 2541 19007.5 
0.08 290.4 2172.5  0.80 2904 21723.5 
0.09 326.7 2443.5  0.90 3267 24438.5 
0.10 363.0 2715.5  1.00 3630 27154.5 

The U S or Queen Anne gallon used in the foregoing table contains 231 cu in or 0.1368 cu ft. The Imperial or British gallon contains 277.3 cu in. To reduce U S to Imperial gallons multiply by 0.83⅓.

To find the quantity of rainfall per square mile, multiply the quantity per acre by 640.

One inch of rain per acre is at the rate of 113 tons per acre or 7320 tons per sq mi.


Table 20—Depth of Water in a Standard 8-inch Gauge
Corresponding to the Weight of Snow or Rain.
Weight
Pounds
.00 .01 .02 .03 .04 .05 .06 .07 .08 .09
  in in in in in in in in in in
0.0 .00 .01 .01 .02 .02 .03 .03 .04 .04 .05
0.1 .06 .06 .07 .07 .08 .08 .09 .09 .10 .10
0.2 .11 .12 .12 .13 .13 .14 .14 .15 .15 .16
0.3 .17 .17 .18 .18 .19 .19 .20 .20 .21 .21
0.4 .22 .23 .23 .24 .24 .25 .25 .26 .26 .27
0.5 .28 .28 .29 .29 .30 .30 .31 .31 .32 .32
0.6 .33 .34 .34 .35 .35 .36 .36 .37 .37 .38
0.7 .39 .39 .40 .40 .41 .41 .42 .42 .43 .44
0.8 .44 .45 .45 .46 .46 .47 .47 .48 .48 .49
0.9 .50 .50 .51 .51 .52 .52 .53 .53 .54 .55

One pound equals 0.5507 in.