| Locality. | Date. | Hour. | Baro- meter. | Fah. Therm. | Boiling point. | Fah. Therm. | Wet bulb. | Wind-force. | Temp. of river water. | Remarks. |
|---|
| 1852 | | | ° | | ° | ° | | ° | |
| Trinidad de Mojos | July 9 | 9 a.m. | . . . | . . . | . . . | 65 | . . . | SW., light | . . . | Cloudy. |
| Do. | 9 | 3 p.m. | . . . | . . . | . . . | 68 | . . . | SW. | . . . | Cloudy. |
| Do. | 10 | 9 a.m. | . . . | . . . | . . . | 64 | . . . | SE. | . . . | Cloudy. |
| Do. | 10 | 3 p.m. | . . . | . . . | . . . | 67 | . . . | SE., fresh | . . . | Clear. |
| Do. | 11 | 9 a.m. | . . . | . . . | . . . | 62 | . . . | SE. | . . . | |
| Do. | 11 | 3 p.m. | . . . | . . . | . . . | 67 | . . . | SE. | . . . | |
| Do. | 12 | 9 a.m. | . . . | . . . | . . . | 63 | . . . | SE. | . . . | Pleasant. |
| Do. | 12 | 3 p.m. | . . . | . . . | . . . | 73 | . . . | SE. | . . . | Hazy. |
| Do. | 13 | 9 a.m. | . . . | . . . | . . . | 67 | . . . | SE. | . . . | Clear. |
| Do. | 13 | 3 p.m. | . . . | . . . | . . . | 76 | . . . | NW. | . . . | Heavy dew during the night. |
| Do. | 14 | 9 a.m. | . . . | . . . | . . . | 72 | . . . | NE. | . . . | |
| Do. | 14 | 3 p.m. | . . . | . . . | . . . | 82 | . . . | NW. | . . . | Hazy. |
| Do. | 15 | 9 a.m. | . . . | . . . | . . . | 73 | . . . | NW. | . . . | Clear. |
| Do. | 15 | 3 p.m. | . . . | . . . | . . . | 84 | . . . | Calm | . . . | Clear. |
| Do. | 16 | 9 a.m. | . . . | . . . | . . . | 87 | . . . | NW. | . . . | Cumulus clouds. |
| Do. | 16 | 3 p.m. | . . . | . . . | . . . | 81 | . . . | NW. | . . . | Clear. |
| Do. | 17 | 9 a.m. | . . . | . . . | . . . | 74 | . . . | NW. | . . . | Clear. |
| Do. | 17 | 3 p.m. | . . . | . . . | . . . | 84 | . . . | NW. | . . . | Hazy. |
| Do. | 18 | 9 a.m. | . . . | . . . | . . . | 78 | . . . | NW. | . . . | Clear. |
| Do. | 18 | 3 p.m. | . . . | . . . | . . . | 86 | . . . | NW., fresh | . . . | Hazy atmosphere. |
| Do. | 19 | 9 a.m. | . . . | . . . | . . . | 72 | . . . | SE., fresh | . . . | Hazy. |
| Do. | 19 | 3 p.m. | . . . | . . . | . . . | 78 | . . . | SE. | . . . | Hazy. |
| Do. | 20 | 9 a.m. | . . . | . . . | . . . | 72 | . . . | Calm | . . . | |
| Do. | 20 | 3 p.m. | . . . | . . . | . . . | 85 | . . . | NW. | . . . | |
| Do. | 21 | 9 a.m. | . . . | . . . | . . . | 79 | . . . | NW. | . . . | Cloudy. |
| Do. | 21 | 3 p.m. | . . . | . . . | . . . | 84 | . . . | NW. | . . . | Clear. |
| Do. | 22 | 9 a.m. | . . . | . . . | . . . | 79 | . . . | NW. | . . . | |
| Do. | 22 | 3 p.m. | . . . | . . . | . . . | 86 | . . . | NW. | . . . | |
| Do. | 23 | 9 a.m. | . . . | . . . | . . . | 69 | . . . | SE. | . . . | Hazy. |
| Do. | 23 | 3 p.m. | . . . | . . . | . . . | 77 | . . . | SE., fresh | . . . | Hazy. |
| Do. | 24 | 9 a.m. | . . . | . . . | . . . | 66 | . . . | SE., fresh | . . . | Clear. |
| Do. | 24 | 3 p.m. | . . . | . . . | . . . | 70 | . . . | SE. | . . . | |
| Do. | 25 | 9 a.m. | . . . | . . . | . . . | 66 | . . . | SE. fresh | . . . | Clear. |
| Do. | 25 | 3 p.m. | . . . | . . . | . . . | 76 | . . . | SE. | . . . | Hazy. |
| Do. | 26 | 9 a.m. | . . . | . . . | . . . | 67 | . . . | NW. | . . . | Clear. |
| Do. | 26 | 3 p.m. | . . . | . . . | . . . | 82 | . . . | NW. | . . . | Cloudy. |
| Do. | 27 | 9 a.m. | . . . | . . . | . . . | 74 | . . . | SE. | . . . | Clear. |
| Do. | 27 | 3 p.m. | . . . | . . . | . . . | 83 | . . . | NE. | . . . | |
| Do. | 28 | 9 a.m. | . . . | . . . | . . . | 72 | . . . | SE., fresh | . . . | Cloudy. |
| Do. | 28 | 3 p.m. | . . . | . . . | . . . | 76 | . . . | SE., fresh | . . . | Hazy. |
| Do. | 29 | 9 a.m. | . . . | . . . | . . . | 70 | . . . | SE. | . . . | Cloudy. |
| Do. | 29 | 3 p.m. | . . . | . . . | . . . | 78 | . . . | SE. | . . . | Hazy. |
| Do. | 30 | 9 a.m. | . . . | . . . | . . . | 74 | . . . | SE. | . . . | Clear. |
| Do. | 30 | 3 p.m. | . . . | . . . | . . . | 84 | . . . | NW. | . . . | Clear. |
| Do. | 31 | 9 a.m. | . . . | . . . | . . . | 79 | . . . | SW. | . . . | Hazy. |
| Do. | 31 | 3 p.m. | . . . | . . . | . . . | 86 | . . . | NW. | . . . | |
| Do. | Aug. 1 | 9 a.m. | . . . | . . . | . . . | 79 | . . . | Calm | . . . | |
| Do. | 1 | 3 p.m. | . . . | . . . | . . . | 88 | . . . | Calm | . . . | Hazy. |
| Do. | 2 | 9 a.m. | . . . | . . . | . . . | 80 | . . . | NW. | . . . | Clear. |
| Do. | 2 | 3 p.m. | . . . | . . . | . . . | 90 | . . . | NW. | . . . | |
| Do. | 3 | 9 a.m. | . . . | . . . | . . . | 80 | . . . | W. | . . . | Clear. |
| Do. | 3 | 3 p.m. | . . . | . . . | . . . | 89 | . . . | NW. | . . . | Hazy atmosphere. |
| Do. | 4 | 9 a.m. | . . . | . . . | . . . | 82 | . . . | NW, fresh | . . . | Clear sky. |
| Do. | 4 | 3 p.m. | . . . | . . . | . . . | 88 | . . . | NW, fresh | . . . | Clear sky. |
| Do. | 5 | 9 a.m. | . . . | . . . | . . . | 73 | . . . | SE. | . . . | Hazy. |
| Do. | 5 | 3 p.m. | . . . | . . . | . . . | 81 | . . . | SE. | . . . | |
| Do. | 6 | 9 a.m. | . . . | . . . | . . . | 73 | . . . | SE. | . . . | Hazy. |
| Do. | 6 | 3 p.m. | . . . | . . . | . . . | 82 | . . . | SE., fresh | . . . | |
| Do. | 7 | 9 a.m. | . . . | . . . | . . . | 75 | . . . | SE. | . . . | Hazy atmosphere. |
| Do. | 7 | 3 p.m. | . . . | . . . | . . . | 87 | . . . | NE. | . . . | Hazy. |
| Do. | 8 | 9 a.m. | . . . | . . . | . . . | 80 | . . . | SE., fresh | . . . | Clear sky. |
| Do. | 8 | 3 p.m. | . . . | . . . | . . . | 85 | . . . | SE. | . . . | Heavy dew during the night. |
| Do. | 9 | 9 a.m. | . . . | . . . | . . . | 75 | . . . | SE., fresh | . . . | Clear. |
| Do. | 9 | 4 p.m. | . . . | . . . | . . . | 81 | . . . | SE. | . . . | Clear. |
| Do. | 10 | 9 a.m. | . . . | . . . | . . . | 76 | . . . | SE. | . . . | Hazy. |
| Do. | 10 | 3 p.m. | . . . | . . . | . . . | 84 | . . . | SE. | . . . | |
| Do. | 11 | 9 a.m. | . . . | . . . | . . . | 74 | . . . | SE., fresh | . . . | Hazy atmosphere. |
| Do. | 11 | 3 p.m. | . . . | . . . | . . . | 81 | . . . | SE., fresh | . . . | |
| Do. | 12 | 9 a.m. | . . . | . . . | . . . | 73 | . . . | SE., fresh | . . . | Hazy atmosphere. |
| Do. | 12 | 3 p.m. | . . . | . . . | . . . | 82 | . . . | SE. | . . . | Hazy atmosphere. |
| Do. | 13 | 9 a.m. | . . . | . . . | . . . | 74 | . . . | SW. | . . . | Clear. |
| Do. | 13 | 3 p.m. | . . . | . . . | . . . | 85 | . . . | NW. | . . . | Cloudy. |
| Mouth of the Yvaré river | 18 | 6 a.m. | . . . | . . . | 210.120 | 74 | . . . | Calm | 76 | |
| Mamoré river | 19 | 9 a.m. | . . . | . . . | . . . | 80 | . . . | SE. | 78 | Thunder, and light shower of rain. |
| Do. | 19 | 3 p.m. | . . . | . . . | . . . | 88 | . . . | NW. | 78 | |
| Do. | 20 | 9 a.m. | . . . | . . . | . . . | 82 | . . . | NW. | 78 | Lightning to the southeast. |
| Do. | 20 | 3 p.m. | . . . | . . . | . . . | 91 | . . . | N. | 79 | Thunder to the south. |
| Do. | 21 | 9 a.m. | . . . | . . . | 210,250 | 89 | . . . | N. | 79 | |
| Do. | 22 | 9 a.m. | . . . | . . . | . . . | 77 | . . . | SE. | 78 | Heavy showers of rain. |
| Do. | 22 | 4 p.m. | . . . | . . . | . . . | 69 | . . . | SE. | 74 | Gale of wind. |
| Do. | 23 | 9 a.m. | . . . | . . . | . . . | 62 | . . . | SE. | 74 | Heavy "pampero;" rain and lightning. |
| Do. | 23 | 3 p.m. | . . . | . . . | . . . | 61 | . . . | SE. | 73 | Cloudy; rain during the night. |
| Do. | 24 | 9 a.m. | . . . | . . . | 210.250 | 64 | . . . | SE. | 72 | |
| Exaltacion | 25 | 3 p.m. | . . . | . . . | . . . | 93 | . . . | SW. | 78 | Clear. |
| Do. | 26 | 9 a.m. | . . . | . . . | . . . | 78 | . . . | SE., light | 76 | Clear. |
| Mamoré river | Sept 1 | 9 a.m. | . . . | . . . | . . . | 88 | . . . | S., light | 79 | Clear. |
| Do. | 1 | 4 p.m. | . . . | . . . | . . . | 88 | . . . | Calm. | 79 | Thunder to the north. |
| Do. | 2 | 9 a.m. | . . . | . . . | . . . | 78 | . . . | SE. | 78 | Rain, thunder, and lightning. |
| Do. | 2 | 3 p.m. | . . . | . . . | . . . | 73 | . . . | SE. | 77 | Cloudy. |
| Do. | 3 | 8 a.m. | . . . | . . . | 210.250 | 72 | . . . | E. | 78 | Cloudy. |
| Do. | 4 | 9 a.m. | . . . | . . . | . . . | 78 | . . . | SE., light | 77 | Cloudy. |
| Do. | 4 | 3 p.m. | . . . | . . . | . . . | 80 | . . . | N. | 78 | Lightning in the north. |
| Itenez river | 5 | 9 a.m. | . . . | . . . | . . . | 80 | . . . | N. | 81 | Heavy dew during the night. |
| Do. | 5 | 3 p.m. | . . . | . . . | . . . | 86 | . . . | Calm. | 81 | |
| Do. | 6 | 8.30 a.m. | . . . | . . . | 210.370 | 85 | . . . | Calm. | 81 | Clear. |
| Do. | 6 | 3 p.m. | . . . | . . . | . . . | 89 | . . . | NW. | 88 | |
| Do. | 7 | 9 a.m. | . . . | . . . | . . . | 82 | . . . | NW. | 82 | Clear. |
| BRAZIL. | | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . | |
| Forte do Principe da Beira | 8 | 3 p.m. | . . . | . . . | . . . | 89 | . . . | SE., fresh | . . . | Cloudy. |
| Do. do. | 9 | 9 a.m. | . . . | . . . | . . . | 64 | . . . | SE., fresh | . . . | Cloudy. |
| Do. do. | 9 | 3 p.m. | . . . | . . . | . . . | 64 | . . . | SE. | . . . | Cloudy. |
| Do. do. | 10 | 9 a.m. | . . . | . . . | . . . | 68 | . . . | SE., fresh | . . . | Rain during the morning. |
| Do. do. | 10 | 3 p.m. | . . . | . . . | . . . | 76 | . . . | SE., light | . . . | Cloudy. |
| Do. do. | 11 | 9 a.m. | . . . | . . . | . . . | 73 | . . . | SE., light | . . . | Clear. |
| Do. do. | 11 | 3 p.m. | . . . | . . . | . . . | 84 | . . . | . . . | . . . | |
| Do. do. | 12 | 9 a.m. | . . . | . . . | . . . | 78 | . . . | SE., light | . . . | |
| Do. do. | 12 | 2 p.m. | . . . | . . . | 210.120 | 91 | . . . | N., light | . . . | |
| Do. do. | 12 | 3 p.m. | . . . | . . . | . . . | 92 | . . . | NE. | . . . | |
| Do. do. | 13 | 9 a.m. | . . . | . . . | . . . | 84 | . . . | N., fresh | . . . | Clear. |
| Mamoré river | 17 | 9 a.m. | . . . | . . . | 210.370 | 78 | . . . | SE. | 79 | Clear. |
| Do. | 17 | 3 p.m. | . . . | . . . | . . . | 87 | . . . | SE. | 80 | |
| Do. | 19 | 9 a.m. | . . . | . . . | . . . | 82 | . . . | Calm | 81 | Cloudy. |
| Do. | 19 | 3 p.m. | . . . | . . . | . . . | 87 | . . . | N., fresh | 80 | Thunder-gust passed to south of the party. |
| Guajará-assú falls—foot | 20 | 3 p.m. | . . . | . . . | 210.500 | 83 | . . . | NE. | 81 | Heavy rain and thunder-gust passed over head. |
| Do. | 21 | 3 p.m. | . . . | . . . | . . . | 85 | . . . | S. | 81 | |
| Foot of Pau-Grande rapids | 22 | 9 a.m. | . . . | . . . | 210.500 | 81 | . . . | N. | 81 | |
| Mouth of Mamoré river | | . . . | . . . | . . . | . . . | . . . | . . . | . . . | 83 | |
| Mouth of Beni river | | . . . | . . . | . . . | . . . | . . . | . . . | . . . | 82 | |
| Madeira river—foot of Madeira falls | 22 | 4 p.m. | . . . | . . . | . . . | 91 | . . . | Calm | 82 | Heavy dew at night. |
| Ribeirao falls | 24 | 1 p.m. | . . . | . . . | . . . | . . . | . . . | N. | . . . | Rain and thunder. |
| Do. | 24 | 3 p.m. | . . . | . . . | . . . | 86 | . . . | Calm | 83 | Cloudy. |
| Do. | 25 | 9 a.m. | . . . | . . . | . . . | 84 | . . . | N. | 82 | Cloudy. |
| Do. | 25 | 2 p.m. | . . . | . . . | . . . | . . . | . . . | N. | . . . | Thunder to the northeast. Passed Abuna creek. |
| Do. | 25 | 3.30 p.m. | . . . | . . . | . . . | 86 | . . . | North'ly airs. | 82 | Cloudy. |
| Foot of Pedreneira falls | 26 | 9 a.m. | . . . | . . . | 210.750 | 82 | . . . | NE. airs | 82 | Clear. |
| Trez Irmaós rapids | 27 | 3 p.m. | . . . | . . . | . . . | 85 | . . . | Calm | 84 | Cloudy. |
| Foot of Giran falls | 28 | 3 p.m. | . . . | . . . | . . . | 99 | . . . | NE. | 86 | Cloudy. |
| Below Caldeiráo do Inferno | 29 | 9 a.m. | . . . | . . . | . . . | 85 | . . . | Calm | 84 | Clear. |
| Salto do Teotoni falls | 30 | 3 p.m. | . . . | . . . | . . . | 87 | . . . | SW., strong | 85 | Cloudy. |
| Madeira river, below all the falls | Oct. 2 | 3 p.m. | . . . | . . . | . . . | 86 | . . . | . . . | 84 | |
| Tamandua island | 3 | 9 a.m. | . . . | . . . | 210.870 | 82 | . . . | NE., fresh | . . . | Big drops of heavy rain; sharp lightning and thunder. |
| Do. | 4 | 9 a.m. | . . . | . . . | . . . | 88 | . . . | NE., light | 87 | Cloudy; temperature of a green water stream entering on the east side, 87°. |
| Do. | 4 | 3 p.m. | . . . | . . . | . . . | 86 | . . . | NE. | 84 | Cloudy. |
| Crato | 7 | 3 p.m. | . . . | . . . | . . . | 92 | . . . | Calm | 86 | Cloudy. |
| Do. | 8 | 9 a.m. | . . . | . . . | . . . | 83 | . . . | Calm | 85 | Cloudy. |
| Do. | 8 | 3 p.m. | . . . | . . . | . . . | 88 | . . . | NE. | 86 | Cloudy. |
| Do. | 9 | 9 a.m. | . . . | . . . | . . . | 85 | . . . | NE. | 86 | Cloudy. |
| Do. | 10 | 9 a.m. | . . . | . . . | . . . | 84 | . . . | NE. | 86 | Cloudy. |
| Do. | 10 | 3 p.m. | . . . | . . . | . . . | 90 | . . . | NE. | 86 | |
| Do. | 11 | 3 p.m. | . . . | . . . | . . . | 89 | . . . | NE. | 86 | Thunder to the northeast. |
| Do. | 12 | 9 a.m. | . . . | . . . | . . . | 83 | . . . | NE. | 86 | Cloudy. |
| Do. | 12 | 3 p.m. | . . . | . . . | . . . | 89 | . . . | NE. | 87 | Cloudy. |
| Madeira river | 13 | 7.30 a.m. | . . . | . . . | 210.870 | 83 | . . . | Calm | 86 | Clear. |
| Do. | 13 | 3 p.m. | . . . | . . . | . . . | 96 | . . . | Calm | 86 | Cloudy. |
| Do. | 14 | 3 p.m. | . . . | . . . | . . . | 95 | . . . | NE., light | 88 | Clear. |
| Do. | 19 | 9 a.m. | . . . | . . . | . . . | 88 | . . . | N., light | 87 | Clear. |
| Do. | 19 | 3 p.m. | . . . | . . . | . . . | 86 | . . . | NE. | 88 | Heavy gust of wind; thunder to northeast. |
| Mouth of Madeira river | 20 | 9 a.m. | . . . | . . . | . . . | 86 | . . . | NE., fresh | 88 | Heavy dew during the night. |
Inconsistent hyphenation and spelling in the original document have been preserved. Obvious typographical errors have been corrected.
The following lists possible misspellings, different names for the same person/place/thing, or people/places/things with close spelling differences in their names.