180 J. HOPKINSON METEOEOLOGICAL OBSEEVATIONS 



JxjKE. — Cold and bright, with an atmosphere of normal humidity 

 and pressure, and an average rainfall on the usual number of days. 

 There were two warm periods, 6th to 10th (5 days), mean tempera- 

 ture 61°-9, and 26th to 28th (3 days), mean 64°- 1. Coldest day 

 14th, mean 47°-3 ; warmest day lO'th, mean 67°-2. Min. below 

 52° on 24 days, below 42° on 8 ; max. above 62° on 20 days, above 

 72° on 6. There was a white frost on the morning of the 15th, 

 disappearing before 9 a.m., and a severe thunderstorm on the 28th, 

 when 0'63 in. of rain fell, and a house in St. Albans, and several 

 trees around, were struck by the lightning. 



July. — Cold and rather bright, with an atmosphere of normal 

 humidity and rather high pressure, and an average rainfall on a 

 small number of days. From 2Uth to 30th (11 days) no rain fell. 

 Coldest day 19th, mean 51°-5 ; warmest day 3rd, mean 69°-2. Min. 

 below 52° on 25 days ; max. above 62° on 25 days, above 72° on 4 

 (2nd, 3rd, 4th, and 23rd). 



August. — Of nearly average temperature and rather bright, with 

 an atmosphere of normal humidity and pressure, and a very heavy 

 rainfall, though on about an average number of days. Coldest day 

 10th, mean 54°-0 ; warmest day 17th, mean 67°'5. Min. below 

 52° on 16 days ; max. above 62° on 28 days, above 72° on 8 (12th, 

 14th, 15th, 17th, and 21st to 24th). There were thunderstorms 

 on 18th, with I'OO in, of rain; on 23rd, with 0*10 in. ; and on 

 27th, with 1-55 in. 



Septembek. — Rather cold and clondy, with a humid atmosphere 

 of average pressure, and a heavy rainfall on the usual number of 

 days. The last three days were very cold, ha\dng a mean tempera- 

 ture of 49°-8. Coldest day 29th, mean 48°-5 ; warmest day 13th, 

 mean 62°-7. Min. below 42° on 4 days; max. above 62° on 16 

 days. There was a white frost on the morning of the 18th, dis- 

 appearing before 9 a.m., and thunderstorms occurred on 19th, with 

 0-71 in. of rain; 20th, with 0'23 in. ; and 21st, with 073 in. 



October. — Yery cold, with a rather humid atmosphere of very 

 low pressure, and an excessively heavy rainfall on a very large num- 

 ber of days. Eain fell every day from 12th to 21st (10 days), and 

 for the last seven days in the month, the fall during tliis period 

 including 087 in. on 27th, 0-76 in. on 28th, and 0-86 in. on 30th. 

 The coldest period was from 18th to 26th (9 days), the mean 

 temperature being 39°-5. Min. below 42° on 25 days, below 32° 

 on 2 (24th and 26th) ; max. above 52° on 14 days. The first frost of 

 the winter was on 24th (min. 26°- 5). On this morning the mul- 

 berry tree in my garden was almost completely stripped of its leaves 

 by a single gust of wind. 



November. — Rather warm and cloudy, with a very humid atmo- 

 sphere of unusually high pressure, and a rather small rainfall on 

 a considerable number of days. Coldest day 2nd, mean 34°'6 ; 

 warmest days 5th, mean 52°-5, 14th, mean 52°-4, and 15th, mean 

 52° 6. Min. below 42° on 23 days, below 32° on 4 (2nd, 3rd, 8th, 

 and 21st) ; max. above 52° on 7 days (2nd to 5th, and 13th to 

 15th). There was a dense mist on 2nd and 8th. 



