90 
mr. a. w. preston’s meteorological notes. 
XI. 
METEOROLOGICAL NOTES, 1909. 
(From observations taken at Norwich.) 
By Arthur W. Preston, F. R. Met. Soc. 
Read 22 nd February, 1910. 
January. 
This was a dry and fairly seasonable month, with but few 
winterly traits till the latter part. The last week was 
decidedly cold, the thermometer on the nights of the 26th, 
27th, and 28th having fallen in the screen to 20.8, 21, and 
23 degrees, and on the grass to 19, 17, and 19 degrees re- 
spectively. Slight snow fell on six days, but the falls were 
very light. At 5.50 p.m. on the 8th, during the passage of 
a snow squall over Norwich, there were some sharp flashes 
of lightning, one being accompanied almost simultaneously 
by a very heavy peal of thunder. 
February. 
Two warm days occurred on the 3rd and 4th, with maximum 
temperatures of 52.5 and 53.2 degrees respectively, 
accompanied by exceptionally mild nights, but the remainder 
of the month was cold, with frost on the grass on 25 nights. 
The month was exceedingly dry throughout, the total rainfall 
amounting to three-quarters of an inch only, or half the 
average. There was abundance of sunshine on many days, 
particularly in the third week. Very winterly weather 
prevailed at the end of the month with a snow-clad landscape. 
March. 
Snow fell almost daily till the 18th, and the weather of 
this period was most winterly, with frost nearly every night. 
Although March is frequently the most winterly month of the 
year, it is but rarely, happily, that we get such an arctic 
