210 J. HOPKINSON — REPORT ON THE 



June. — A rather wet month, with several heavy falls of rain 

 during the last nine days. On 22nd the fall was very consideralle 

 at one station and consideralle at one ; and on 23rd very considerable 

 at one and consideralle at thirteen stations. On 28th it was very 

 great at High Down, Hitchin (1-27 in.), great at Kew Bamet 

 (1-20 in.), Rosehank, Berkhamsted (1-18 in.), Fairhill, Berkhamsted 

 (1-15 in.), Fanhams Hall, Ware (1-12 in.), and Southgate (TOB in.), 

 very consideralle at six stations, and consideralle at ten. This fall 

 was due to a thunderstorm in the night of 28th-29th, when extra- 

 ordinary and very destructive hailstones fell in the north-west of 

 Hertfordshire. Accounts of the storm, as experienced at Berkham- 

 sted and Kensworth, are appended to this report. Several observers 

 record frost on the 18th, which did much damage to vegetation. 



July. — While the rainfall was rather heavy, July was not a wet 

 month throughout, for on the average over the county rain only 

 fell on two days before the 12th and on one day after the 19th, 

 but between the 12th and the 19th (eight days) about two inches 

 fell. For the eleven days after this date no rain was recorded at 

 any station. On 5th the fall was very considerable at two stations 

 and considerable at thirteen ; on 1 3th it was consideralle at one 

 station; on 16th it was excessive at Hamels Park (2'08 ins.), heavy 

 at Royston (1-58 in.), very great at Therfield (1*28 in.), very con- 

 sideralle at eight stations, and consideralle at six; on 17th it was 

 consideralle at one station; and on 19th very consideralle at thirteen 

 stations, and consideralle at thirteen. The fall on the 16th was 

 due to a thunderstorm, during which there fell, at Rosebank, 

 Berkhamsted, 0'4lin. of rain in 9 minutes, being at the rate 

 of 2 "73 ins. per hour. 



August. — An excessively wet month, but with several intervals 

 of a few days each without rain, not quite half the days in the 

 month being wet. On 1 8th the fall was very great at Bennington 

 (1-49 in.), Throcking (1-41 in.), and Weston Park (1-32 in.); great 

 at Hamels Park (1-22 in.), Datchworth (1-11 in.), Iloyston 

 (1-09 in.), Moor Park (1-07 in.), Welwyn (1-05 in.), Oaklands, 

 Watford (1-04 in.), and The Grange, St. Albans (1-00 in.); very 

 consideralle at seven stations ; and consideralle at one station. On 

 19th it was consideralle at one station, and on 23rd at one. On 

 27th it was very heavy at New Barnet (1*84 in.), Oaklands, Watford 

 (1*83 in.), Southgate (1-83 in.), and Broxbourne (r75in.); heavy 

 at Xash Mills (1-71 in.). The Grange, St. Albans (1-55 in.), and 

 Apsley Mills (1'50 in.) ; very great at Cowroast (1-40 in.), Welwyn 

 (1-40 "in.), Fanhams Hall, Ware (1-40 in.), Fairhill, Berkhamsted 

 (1-39 in.), Datchworth (1-39 in.), llosebank, Berkhamsted (1-37 in.), 

 Red House, Ware (1*35 in.), Bennington (1-33 in.), Hamels Park 

 (1-33 in.). Great Gaddesden (1-31 in.), and Kensworth (1-29 in.); 

 great at Much Hadham (1-23 in.). Moor Park (1-21 in.), the Old 

 Nurseries, Cheshunt (1-20 in.), Royston (M2 in.), Therfield 

 (r09 in.), and Throcking (r03 in.) ; and very consideralle at three 

 stations. On 28th there was a very consideralle fall at one station. 

 The fall on the 18th was due to a thunderstorm. 



