+------+------+
| | | | | | | | | Aver-| Aver-|
| Month | | A.M. | A.M. | M. | M. | P.M. | P.M. | age | age |
| and | |Below |Above |Below |Above |Below |Above |Below |Above |
| Year |Date | deg. | deg. | deg. | deg. | deg. | deg. | deg. | deg. |
+---------+-----+------+------+------+------+------+------+------+------+
|1821. | | | | | | | | | |
| | | | | | | | | | |
|January | 23 | 24 | .. | 16 | .. | 26 | .. | 22 | .. |
|February | 2 | 30 | .. | 25 | .. | 28 | .. | 28 | .. |
|March | 17 | 5 | .. | .. | 13 | 5 | .. | .. | 1 |
|April | 9 | .. | 10 | .. | 18 | .. | 17 | .. | 15 |
| | | | | | | | | | |
|May | 8 | .. | 50 | .. | 77 | .. | 77 | .. | 68 |
|June | 3 | .. | 72 | .. | 84 | .. | 88 | .. | 81 |
|July | 28 | .. | 76 | .. | 91 | .. | 90 | .. | 85 |
|August | 3 | .. | 70 | .. | 84 | .. | 88 | .. | 84 |
|September| 4 | .. | 58 | .. | 68 | .. | 70 | .. | 65 |
|October | 25 | .. | 45 | .. | 62 | .. | 65 | .. | 27 |
| | | | | | | | | | |
|November | 26 | 5 | .. | 16 | .. | 16 | .. | 12 | .. |
|December | 17 | 38 | .. | 15 | .. | 16 | .. | 23 | .. |
|---------+-----+------+------+------+------+------+------+------+------|
|1822. | | | | | | | | | |
| | | | | | | | | | |
|January | 28 | 34 | .. | 25 | .. | 25 | .. | 28 | .. |
|February | 3 | 32 | .. | 19 | .. | 23 | .. | 25 | .. |
|March | 13 | .. | 7 | .. | 25 | .. | 10 | .. | 14 |
|April | 8 | .. | 5 | .. | 18 | .. | 21 | .. | 15 |
| | | | | | | | | | |
|May | 28 | .. | 65 | .. | 77 | .. | 78 | .. | 73 |
|June | 9 | .. | 68 | .. | 76 | .. | 76 | .. | 73 |
|July | 21 | .. | 75 | .. | 87 | .. | 81 | .. | 81 |
|August | 8 | .. | 74 | .. | 83 | ..