










52 ROYAL SOCIETY OF CANADA 
Ratio of the 
| number 
_ Number | falling per, Temper- 
Date Number (falling per | sq. foot ature Remarks 
of in sq. foot | per min. | in degrees upon the 
experiment | 10 litres | per min. to the Centi- weather 
| number in grade 
10 litres | 
June 15 25 | 545 PA 15 Wind, S.E., moderate, 
cold week, frosts 
until 13th | 
Hu 26 363 13.91 19 Wind, N., slight, heavy 
rain on 20th, less on 
21st 
TD 37 2,085 56.4 24 (Wind, $., strong 
Rp 10 189 18.9 15 “ —N., slight, rain 
on 28th and early 
morning of 29th 
July 6.. 18 414 23 174 Wind, N., slight 
imag | es 45 1,446 32.6 21 ““ N.W., moderate 
te ORY, 53 1,599 30.1 25 _ “ N.W., moderate 
FA DTe 31 158 5.09 29 | ‘“ §,. slight, after 
several hot days with 
_ very little wind 
Aug. 3.) 62 407 6.5 22 Wind, N.W., strong 
pe lee 46 1,519 33 25 | * W., strong 
eel WAS 38 846 22.4 22 |  §.W., moderate 
soe DAS 137 988 eae, 20 | N., moderate 
ole 12.5 312 24 19 ‘“« S.E., moderate, 
showery, 29th and 
30th heavy rains 
Sept. 7. 30 2,732 91 21 Wind, S.W., strong 
Une Le 20 676 33.8 24 | ‘* S.E., moderate 
Be OAS 100 A Cent 20.5 “« $.E., moderate 
2: 263 763 2.9 0.5 “« —N.W., moderate, 
warm rain from 24th 
to 26th, frosts on 
nights of Ist & 2nd 
Oct. 5 21 254 12.09 8 Wind, N.W., slight, 
snow on Ist and 2nd, 
rain on 5th 
ge ET 26.25 1,439 54.8 6.5 |Wind, S., moderate 
Co LOR Aa 3 4.5 ‘“ S.E., slight, ex- 



periments made be- 
tween showers, rain 
fellimmediately after 
volumetric was fin- 
ished and plate could 
not be exposed, rain 
ceased next day, 
20th, and a gale com- 
menced. Plate was 
exposed on 21st dur- 
ing gale 


