156 
J. HOPKINSON—EEPORT ON THE 
at fourteen stations; for 15 days, May 11-25, at three stations; 
for 16 days, May 10-25, at two stations ; for 18 days, May 11-28, 
at two stations; and for 19 days, May 10-28, at eleven stations. 
It thus occurred at 32 out of the 35 stations for which the daily 
records have been received. The partial drought was in May-June, 
and lasted for 33 days, May 10 to June 11, at twenty-four stations, 
with an average of 0-0065 in. of rain per diem, and for 40 days, 
May 10 to June 18, at nine of these stations, with an average of 
0-0067 in. of rain per diem. 
Distribution of the Rainfall throughout the Year. —Of the total 
rainfall of 21-12 inches, 10*77 inches fell during the six winter 
months and 10*35 inches during the six summer months. During 
the first quarter of the year 4*34 ins. fell, during the second quarter 
4*60 ins., during the third quarter 5*75 ins., and during the fourth 
quarter 6’43ins. During the Winter of 1900-1 (Dec. to Deb.) 
5-01 ins. fell, during the Spring (March to May) 5*95 ins., during 
the Summer (June to August) 5-40 ins., and during the Autumn 
(Sept, to Nov.) 4-07 ins. January, June, and November were very 
dry months; February, May, and September were dry; August 
and October were rather dry; March, April, and July were rather 
wet; and December was very wet. The eight dry months averaged 
1*29 inch each, and the four wet months 2*69 inches each. 
The difference in each month from the mean for the 60 years 
1840-99 was as follows:—Jan., — 1*41 in.; Deb., — 0*43; 
March, + 0*66; April, + 0*59; May, — 0*70; June, — 1*09; 
July, + 0-03; August, — 0*51; Sept., — 0*94; Oct., — 1*04; 
Nov., — 1-72; and Dec., + 1*63 in. 
The absolute maximum falls in any one day in each month, and 
the stations recording them, were—Jan. 27, Rothamsted, Harpenden, 
0*32 in.; Deb. 4, Colne Yalley Water Works, Watford, 0*71 in.; 
March 7, Therfield Rectory, 0-72 in. ; April 3, Moor Park, Rick- 
mansworth, 0*82 in.; May 7, Gorhambury, St. Albans, 1*01 in.; 
June 30, Moor Park, 1*47 in.; July 12, London Orphan Asylum, 
Watford, 1*89 in. ; August 26, Hamels Park, Buntingford, 0*82 in. ; 
Sept. 16, Offside Cottage, Cowroast, 0*87 in.; Oct. 15, Great 
Gaddesden Yicarage, 0*84 in. ; Nov. 13, Weston Park, Stevenage, 
0*86 in. ; Dec. 12, Rose Cottage, Berkhamsted, 1*48 in. 
The day in each month on which a heavy fall of rain was most 
general over the county was—Jan. 19, Deb. 28, March 19, 
April 3, May 7, June 30, July 26, August 25, Sept. 16, Oct. 16, 
Nov. 13, Dec. 12; and in the year Nov. 13 and Dec. 12, each 
of these days being the wettest in the month at all stations, but 
Dec. 12 was a much wetter day than Nov. 13. 
The average number of wet days in each month was as follows :— 
Jan., 14; Deb., 12; March, 18; April, 15; May, 7; June, 9; 
July, 8 ; August, 10 ; Sept., 7; Oct., 15 ; Nov., 8; Dec., 15. 
The deviation from the mean for the 30 years 1870-99 was— 
Jan., — 1 ; Deb., — 1 ; March, + 5; April, + 2; May, — 5 ; 
June, — 3 ; July, — 6 ; August, — 4; Sept., — 6 ; Oct., — 1 ; 
Nov., — 8; Dec., — 1. 
