THERMOMETER, AND RAIN. D585 
MR. HENRY HOUGH WATSON’S ACCOUNT OF THE MEAN HEIGHT OF THE BAROMETER 
AT BOLTON, DURING TEN YEARS. 
Yrs, | Jan, | Feb. | Mar. | April] May.|June.| July.| Aug. |Sept. | Oct. | Nov.| Dec. |Mean 
1831 |29.59/29.33/29.39)/29.39)/29.42)29.18/29.30)29.34/29.20/29.26|29.44/29.20/29.34 
1832 |29.38/29.35 29.30/29.55/29.40)29.50|29.60)29.35/29.69|/29.40/29.53/29.31|29,45 
1833 |29.85 29.10)29.55 29.40)29.74)29.43|29.68/29.62)29.57|/29.46/29.51/29.27|29.51 
29.84/29.86/29.72|29.64/29.66/29.57/29.76|29.71129.63/29.97|29.70 
1835 |29.74|29.43/29.63|/29.84/29.57|29.78 29.74,29.71 29.38/29.46/29.60)29.87|29.65 
1836 |29.55|29.52|29.16/29.56|29.98 29.58)/29.65'29.75|29.57/29.49|29.27|29.50/29.55 
1837 |29.64)29.58/29.70/29.52/29.68/29.73/29.68!29.72/29.61|29.77|29.50/29.63|29.65 
1838 |29.63/29.33/29.51/29.51 29.65)29.58)29.68/29.58/29.71/29.66)29.24|29.74)29.57 
1839 |29.56/29.63|29.52/29.82)29.74)29.64/29.57/29.70/29.31|29.75|29.40\29,38)29.59 
1840 |29.40)29.62)/30.02/29.81|29.62)29.65/29.56 29.65)2 
Mn, |29.56|29.46|29.56)29.63|29.65,29.57/29.61)29.60|29.53|29.57|29.44|29.57|29.56 
ax.|29.85/29.75/30.02/29.86|/29.98,29.78)29.74'29.75|29.76|29.77|29.63|29.97 
in. |29.30|29.10|29.16|29.39|29.40|29.18|2 
MR. HENRY HOUGH WATSON’S ACCOUNT OF THE MEAN HEIGHT OF THE 
THERMOMETER, AT BOLTON, DURING TEN YEARS. 
Years.| Jan.| Feb.|Mar.|Apr.| May JunelJuly./Aug. Sep. Oct.|Nov,] Dec. 
1831 | 34°] 42°) 57°} 54°! 58°) 61°] 67°] 65°! 57°| 54°] 39%] 40° 
1832 | 38 | 40 | 46 | 52 | 55 | 62 | 64 | 63 | 62 | 54 | 42 | 40 
1833 | 35 | 42 | 40 | 47 | 59 | 58 | 62 | 57 | 54 | 50 | 44 | 43 
1834 | 44 | 42 | 45 | 46 | 57 | 59 | 64] 61] 58] 51 | 45 | 44 
1835 | 36 | 42 | 43 | 47 | 51 | 60 | 62 | 63 | 56 | 47 | 44 | 38 
1836 | 39 | 39 | 41 | 45 | 54 | 59 | 59 | 59 | 53 | 48 | 41 | 39 
1837 | 37 | 41 | 37 | 41 | 49 | 63 | 62 | 60 | 56 | 50 | 42 | 42 
1838 | 30 | 32 | 40 | 43 | 52 | 57 | 60 | 59 | 56 | 49 | 40 | 39 
1639 4 : : 
— | — | —<—<— | ———.- | | ——— | ——_ | ——— | EE 
Minim! 30 | 32) 37 |} 41 | 49) 57) 57! 57) 51! 47139 | 36 
