Dr. Holyoke’s Meteorological Journal. 
GENERAL RESULTS. 
213 
FORTY THREE YEARS, 1786-1828. 
Means and Extremes of each Series and of the whole Period. 
Series. First. | Second. appa: Fourth. | Fifth. | Sixth. event, Whole. 
7 Years. | 7 Years. s,| 7 Years. | 5 Years.| 5 Years. | 5 Yeurs. |43 Years. 
January, A s 24,81 | 26,62 1 | 24,21 | 28,08 | 25,59 
: February, ' c 5 25,67 | 28, 6 | 29,04 | 31,17 | 27,75 
2 | Mareh, YRS Ee a 36,26 | 36,16 34,27 | 37,22 | 35,33 
S| April, eh RR) ae ariel | 45,05 | 47,04 | 46,02 
= | May, ee 56,87 | 53,29 55,27 | 56,76 | 57,81 | 56.84 | 
S | June, . oo.  « ~—s | 67,21 | 68,48 | 67,80 | 66,00 | 67,97 | 67,87 | 67,19 
$ 4 July, ° . . . 71,30 | 73,45 Ce 70,49 73,23 | 74,15 | 72,49 
x5) Aucust, 5 -* « | 69:75 | 72,86 | 71,32 | 69,64 71,57 | 70,09 | 70,53 | 
S | September, 4 Bh 61,32 | 63,66 | 64,14 | 62,57 64,51 | 63,02 | 62,96 
S$ October, .  .  « | 49,54 | 50,91 | 52,00 | 52,28 51,52 | 52,20 | 51,34 
a | November, . nS 40,09 | 38,74 | 40,00 | 39,36 39,91 | 38,98 | 29,96 
( December, . b rs 27,77 | 29,40 | 32,68 | 31,59 28 8.97 32,48 | 30,29 
Year <8. ae 47,98 | 49,49 | 49.79 | 48,23 48,92 | 50,01 | 48,86" 
LSet (pluemtsr, i 5 5 : | 36,21 
o2-2/8A.M. 3 . . 46,55 | 47,49 | 47,44 | 45,57 | 44,54 | 45,54 | 46,79 | 46,27 
ELS, = 4 Noon, . ° . “ 54,15 | 56,22 | 56,63 | 55,17 | 55,06 | 56,19 | 57,19 | 55.80 
Ses |Sunset, . . . . | 47,60 | 49,47 | 49,48 | 48,09 | 47,62 | 48,89 | 50,14 | 48,76 
52 (10 P. M. 5 ’ ‘ 43,70 | 44,80 | 45,32 | 44,09 | 43,41 | 44,75 | 45,93 | 44,57 
cS : { Winter, ‘ . 4 . 25,76 | 27,90 | 29,64 | 27,75 | 26,04 | 27,42 | 30,64 | 27,88 
a StyiSprings MSC 2) ly 46,08 | 47,30 | 46,71 | 45,11 | 44,64 | 45,25 | 47,35 | 46,06 
$ ge )Summer, . . . . | 69,38 | 71,58 | 70,69 | 63,71 | 63,45 | 70,92 | 70,71 | 70,06 
= ™ { Autumn, . . . 50,41 | 51,10 | 52,04 | 51,41 | 51,68 | 51,98 | 51,40 | 51,43 
Hottest days, . . - | 96 99 — \100 100 101 100 101 101 
; Coldest days, . r3 ; =11 -10 -3 -7 11 —-13 -9 -13 
3 Whole ae! . + |107 109 103 107 112 113 110 1l4 
3 Mean annual range, ° 99,70 | 98,27 | 97,07 | 97,64 |105 106 101 100,67 
2 12 Winter, . 56,85 | 58,92 |585 64 59 
& | £222 | Spring, 76,28 | 71,28 | 70,85 80 70 
is 8—< 42) Summer, . “ 45,41 | 45,92 | 44,85 52 47 
3 253° (Autumn, .. 68,71 | 66,14 | 66,78 73 «| 64 
o Greatest monthly range, . 59 65 67 69 60 65 65 69 
2 Least monthly range, 26 32 32 31 31 35 30 26 
=I Greatest change in 24 hours, 41 41 38 50 AT 44 45 50 
a o S 5, (80and above, . 38 56,14 | 50,57 | 42,42 | 46 61 58 50,3 
Fe a2 = } 90 and above, cs 5,57 | 10,85 | 10,57 6 10,4 17 10 10,06 
¢s= } 32 and below, « 109,58 (116 106 118,57 |116,4 |134 108 115,51 
=27 (0 and below, . ‘ 3,71 1,57 | 1,42 2,85 | 5 4 2 2,94 
* Corrected as proposed in page 112, this will give 47,09 as the mean temperature of the 43 years. 
