| { February | 93 | 78·42 | 66 | 29·95 | 29·60 | 29·21 | | { March | 93 | 75·79 | 52 | 30·02 | 29·88 | 29·18 | |Autumn { April | 72 | 67·50 | 57 | 30·08 | 29·30 | 29·27 | | { May | 63 | 52·50 | 41 | 30·14 | 29·79 | 29·53 | |Winter June | 65 | 52·50 | 40 | 30·15 | 29·68 | 29·15 | +--------------------+-----+-------+-----+-------+-------+-------+ +--------------------+-------------+---------------------------+ | | Hygrometer. | Winds. | | +-------+-----+------+------+------+------+ | | Days | Days| North| North| South| South| | 1822. | Humid.| Dry.| to | to | to | to | | | | | East.| West.| East.| West.| +--------------------+-------+-----+------+------+------+------+ | { January | | | 12 | 3 | 9 | 6 | |Summer { February | 19 | 9 | 12 | 8 | 3 | 5 | | { March | 20 | 10 | 12 | 6 | 6 | 7 | |Autumn { April | 22 | 8 | 7 | 8 | 4 | 11 | | { Ma | 30 | 1 | 13 | 7 | 2 | 9 | | { June | 30 | 0 | 14 | 5 | 2 | 9 | |Winter { July | 31 | 0 | 13 | 4 | 7 | 7 | | { August | 31 | 0 | 18 | 3 | 6 | 4 | | { September | 30 | 0 | 13 | 3 | 11 | 3 | |Spring { October | 30 | 1 | 17 | 5 | 5 | 4 | | { November | 28 | 2 | 23 | 1 | 5 | 2 | | { December | 23 | 8 | 16 | 3 | 6 | 6 | | { +-------+-----+------+------+------+------+ | { | 294 | 39 | 170 | 56 | 66 | 73 | |Summer { 1823. | | | | | | | | { January | 5 | 26 | 17 | 4 | 5 | 5 | | { February | 3 | 25 | 14 | 3 | 5 | 6 | | { March | 19 | 12 | 10 | 6 | 9 | 6 | |Autumn { April | 29 | 1 | 14 | 9 | 5 | 2 | | { May | 31 | .. | 11 | 12 | 6 | 2 | |Winter June | 30 | .. | 16 | 5 | 9 | .. | +--------------------+-------+-----+------+------+------+------+ In the eighteen months the highest of the thermometer was 94, in the month of January; the lowest 36, in August. It sometimes rises to 96, as in January, 1824, when it was at that point some days. On the other hand, it has been known to fall as low at 28 and 29; but these extremes are very rare. No. 7.--Some Fixed Points in the Provinces of the Rio de la Plata. _Province of Buenos Ayres._