TAKEN AT ST. ALBANS IN 1891. 73 



Notes on the Months. 



January. — Yery cold, cloudy, with a rather humid atmosphere 

 of high pressure, aud an average raiufall (for the first three weeks 

 almost entirely in the form of snow) on a considerable number of 

 days. For the last thirteen days rain (or snow) fell every day, the 

 average per day being 0-14 in. The earlier part of the month was 

 much colder than the later part, the moan temperature from 1st to 

 20th being 28°-6, and from 21st to 31st 4l°-2. Coldest day 18th, 

 mean 22°-5 ; warmest day 29th, mean 46°-0. Min. below 32° on 

 21 days, below 22° on 10 (7th to 12th and 17th to 20th); max. 

 above 42° on 10 days. 



Februakt. — Rather cold and bright, with an atmosphere of 

 average humidity and exceedingly high pressure, and an un- 

 precedently small rainfall,^ the only actual fall of rain being 002 in. 

 on 6th. Xo snow fell. Towards the end of the month there was 

 much fog, every day from 1 8th to 25th being more or less foggy, 

 and on each of three of these days (21st, 22nd, and 24th) 0-01 in. 

 of water collected in the rain gauge, the result of condensed fog. 

 This, being entered as rain, brings up the total fall to O'Oo in. 

 Coldest day 24th, mean 31°-1 ; warmest day 27th, mean 47°-9. 

 Min. below 32° on 15 days, below 22° on 1 day (24th) ; max. 

 above 42® on 22 days, above 52° on 4 (25th to 28th). 



Maech. — Rather cold and cloudy, with a rather dry atmosphere 

 of low pressure, and an average rainfall (about one-third in the 

 form of snow) on a considerable number of days. Rain (or snow) 

 fell every day from 6th to 27th, except on 12th, 18th, and 19th. 

 The first week was much warmer than the rest of the month, 

 ha^-ing a mean temperature of 46°-7. Coldest day 10th, mean 

 29°-6 ; warmest day 2nd, mean 51°-8. Min. below 32° on 13 days; 

 max. above 42° on 25 days, above 52° on 6. There was a thunder- 

 storm at about 4 p.m. on 27th, on which day snow fell. The 

 blizzard of the 9th has been mentioned in my "Report on the 

 Rainfall " (p. 60). 



April. — Cold and cloudy, with a rather humid atmosphere of 

 rather high pressure, and a very small rainfall on a rather small 

 number of days. Snow fell on 12th only, with hail. Coldest days 

 1st, mean 39°-l, and 8th, mean 39°-2 ; warmest day 31st, mean 

 53''-2. Min. below 42° every day but one (31st), below 32° on 

 one day only (1st) ; max. above 52° on 12 days. 



Mat. — Cold and rather cloudy, with a humid atmosphere of low 

 pressure, and a hea\'y rainfall on a considerable number of days. 

 Rain (or snow) fell every day from 15th to 30th, except on 19th 

 and 23rd. Snow fell on 16th, 17th, and 18th, to a total depth 

 of nearly a foot (=0-88 in. of rain). Temperature was very 

 changeable. Coldest day 17th, mean 39°-9 ; warmest day 13th, 

 mean 63°-9. Min. below 42° on 15 days, below 32° on 2 (17th 

 and 19th) ; max. above 62° on 9 days, above 72° on 2 (12th and 13th). 



June. — Of average temperature, rather bright, with a humid 

 atmosphere of rather high pressure, and a rather small rainfall 



