Dr. Holyoke’s Meteorological Journal. 
TABULAR RESULTS. 
211 
SIXTH SERIES. FIVE YEARS, 1819-1823. 
Means and Extremes of each Year and of the Series. 
Months. 1819. 1820. 1821. 1822. 1823. Series. 
January, c . 31,12 22,22 19,43 22,01 26,44 24,21 
5 February, - . 33,87 30,07 31,21 26,70 23,36 29,04 
= March, 30,30 34,98 33,67 39,15 33,25 34,27 
& | April, 43,92 | 46,15 | 44,11 44,34 | 46,75 | 45,08 
=| May, ae) fe 56,36 | 56,35 | 56,08 | 60,85 | 54,19 | 56,76 
Sars) Tones sof cohen: © een: 70,13 | 68,28 | 67,94 | 67,33 | 66,19 | 67,97 
$ July, ‘a: 73,87 716,82 70,02 73,42 72,01 73,23 
‘S Aucust, ’ . 4 71,95 71,21 72,50 70,77 71,41 71,57 
gs September, 66,71 66,46 62,81 67,20 59,39 64,51 
S | October, : 52,69 | 50,87 | 51,14 | 52,94 | 49,96 | 51,52 
2 | November, Py shi. 42,78 | 37,74 | 40,89 | 42,09 | 36,06 | 39,91 
(December, . . . 29,62 24,98 27,64 30,86 31,75 28,97 
YEAR, 6 P é 50,75 48,70 48,15 49,81 47,58 48,92 
_ pe ( Night,* ee 36,34 | 35,98 | 37,54 | 35,02 | 36,21 
SoS /8A.M. . 47,85 | 45,91 | 44,76 | 46,01 | 44,18 | 45,64 
87 =< Noon, Py 5°90 56,80 56,26 55,66 57,04 54,71 56,19 
s § | Sunset, . . | 49,95! | 48,49 | 48,24 | 50,01 | 47,79 | 48,89 
$2 ee P.M. 45,87 44,72 43,93 45,67 43,58 44,75 
3 _ 2 ( Winter, 31,54 | 25,78 | 26,09 | 26,53 | 27,17 | 27,42 
es ) } Spring, 42,86 45,83 44,61 48,11 44,74 45,25 
§ = = ) Summer, 71,98 72,10 70,16 70,51 69,87 70,92 
= ™ | Autumn, 54,05 51,69 51,61 54,07 48,47 51,98 
Hottest days, 100 100 100 97 96 100 
a) Coldest days, " 5 — =—8 ks —6 —6 13 
3 Range, . - . . 102 108 113 106 102 113 
S ; ( Winter, 3 66 60 65 74 54 |. (64 
Sa 25) Spring, 74 73 77 84 Pe =} 80 
me | 353 | Summer, 5 50 49 50 55 65 |S | 52 
sere! = | Autumn, F ; : 73 87 66 65 75 73 
§ % ) Greatest monthly range, . 58 60 65 63 65 65 
‘so | Least monthly range, f . 38 35 38 45 35 35 
© © | Greatest change in 24 hours, 42 35 38 44 43 44 
FA Days at 80 and above, . 5 62 67 52 72 50 |; (61 
13 Days at 90 and above, . > 21 24 11 il 1% |8j17 
g Days at 32andbelow, . . 119 132 117 142 161 |2 ) 134 
| Days at 0 and below, . . 1 2 5 8 6 lal 4 
* The Wight observations are not included in the estimate of the mean temperature of the years of this 
series, because it would vary the standard of comparison with the other years, in which there was no such 
observation. 
