Observations hygrométriques au Kaire.
| Brumaire an 8. | Frimaire an 8. | Nivôse an 8. | ||||||
| Jours | Matin ° | À 3 h. ° | Jours | Matin ° | À 3 h. ° | Jours | Matin ° | À 3 h. ° |
| 26 | 80 | 60 | 23 | 79 | 25 | 78 | 49 | |
| 27 | 80 | 68 | 29 | 78 | 31 | 26 | 60 | 27 |
| 28 | 68 | 55 | 30 | 78 | 27 | 27 | 44 | 32 |
| 29 | 72 | 46 | Nivôse. | 28 | 45 | 24 | ||
| 30 | 72 | 30 | 1 | 78 | 29 | 76 | 54 | |
| Frimaire. | 2 | 77 | 55 | 30 | 76 | 57 | ||
| 1 | 70 | 31 | 3 | 74 | 67 | |||
| 2 | 73 | 35 | 4 | 74 | ||||
| 3 | 61 | 37 | 5 | 79 | 57 | Les 26, 27, et 28, vent sud. | ||
| 4 | 78 | 45 | 6 | 78 | 47 | |||
| 5 | 79 | 63 | 7 | 74 | ||||
| 6 | 79 | 60 | 8 | 33 | 29 | |||
| 7 | 79 | 42 | 9 | 61 | 35 | |||
| 8 | 80 | 43 | 10 | 76 | 44 | |||
| 9 | 79 | 47 | 11 | 76 | 58 | |||
| 10 | 80 | 45 | 12 | 79 | 48 | |||
| 11 | 79 | 45 | 13 | 78 | 48 | |||
| 12 | 79 | 39 | 14 | 78 | 50 | |||
| 13 | 75 | 34 | 15 | 79 | 53 | |||
| 14 | 56 | 34 | 16 | 79 | 55 | |||
| 15 | 58 | 32 | 17 | 79 | 59 | |||
| 16 | 79 | 41 | 18 | 78 | ||||
| 17 | 79 | 43 | 19 | 78 | ||||
| 18 | 63 | 28 | 20 | 78 | 58 | |||
| 19 | 50 | 45 | 21 | 79 | 46 | |||
| 20 | 76 | 47 | 22 | 73 | 43 | |||
| 21 | 79 | 23 | 74 | 55 | ||||
| 22 | 79 | 24 | 78 | 52 | ||||
Observations météorologiques faites au Kaire pendant le premier trimestre de l'an 9, et communiquées par le citoyen Nouet au citoyen Desgenettes.
(Thermomètre de mercure, division de Réaumur.)
| Jours du mois. | Vendémiaire | Brumaire. | Frimaire. | ||||||
| Au lever du soleil. | À midi | À 2h. 1/2. | Au lever du soleil. | À midi | À 2h. 1/2. | Au lever du soleil. | À midi | À 2h. 1/2. | |
| 1 | 17,0 | 21,0 | 22,0 | 13,5 | 17,5 | 19,5 | 9,5 | 16,3 | 19,3 |
| 2 | 18,0 | 21,0 | 22,5 | 13,0 | 17,5 | 19,0 | 10,3 | 16,0 | 16,3 |
| 3 | 17,5 | 20,5 | 21,5 | 14,0 | 19,3 | 21,0 | 10,0 | 14,5 | 16,0 |
| 4 | 17,0 | 21,0 | 22,0 | 15,3 | 18,7 | 20,0 | 9,0 | 15,3 | 16,0 |
| 5 | 18,5 | 21,0 | 22,5 | 13,7 | 18,3 | 20,0 | 8,0 | 16,0 | 17,0 |
| 6 | 17,3 | 20,7 | 22,0 | 13,3 | 17,7 | 19,0 | 8,0 | 15,3 | 17,0 |
| 7 | 16,3 | 21,0 | 22,0 | 13,3 | 19,0 | 20,5 | 8,0 | 15,5 | 18,5 |
| 8 | 17,0 | 20,7 | 22,0 | 13,5 | 18,0 | 20,0 | 9,5 | 16,0 | 16,3 |
| 9 | 17,0 | 21,0 | 22,5 | 13,5 | 17,7 | 19,0 | 7,7 | 15,5 | 15,7 |
| 10 | 17,7 | 21,0 | 22,0 | 13,0 | 17,0 | 18,0 | 6,0 | 15,0 | 17,3 |
| 11 | 17,0 | 20,7 | 22,0 | 13,7 | 17,5 | 18,0 | 7,0 | 13,7 | 16,5 |
| 12 | 17,0 | 21,0 | 22,0 | 12,0 | 16,0 | 18,5 | 6,3 | 14,0 | 17,0 |
| 13 | 17,3 | 20,5 | 20,5 | 12,0 | 16,5 | 19,0 | 7,0 | 14,0 | 16,3 |
| 14 | 15,3 | 19,0 | 20,0 | 11,7 | 17,0 | 18,5 | 8,3 | 15,0 | 15,5 |
| 15 | 15,0 | 19,0 | 20,0 | 11,7 | 16,3 | 18,0 | 8,0 | 15,0 | 16,5 |
| 16 | 14,7 | 19,0 | 20,5 | 11,5 | 16,5 | 18,5 | 8,5 | 15,7 | 16,0 |
| 17 | 15,5 | 19,5 | 21,0 | 12,3 | 17,0 | 18,3 | 7,5 | 16,0 | 15,0 |
| 18 | 16,3 | 19,5 | 21,0 | 11,5 | 16,5 | 18,5 | 10,0 | 14,7 | 15,3 |
| 19 | 16,5 | 19,5 | 21,0 | 11,3 | 16,0 | 18,3 | 10,0 | 16,0 | 16,3 |
| 20 | 16,5 | 19,5 | 21,0 | 11,3 | 17,0 | 17,7 | 10,0 | 16,0 | 17,0 |
| 21 | 16,3 | 20,0 | 22,0 | 11,5 | 17,3 | 18,3 | 8,5 | 16,0 | 17,0 |
| 22 | 17,0 | 20,0 | 21,5 | 12,0 | 17,7 | 18,0 | 8,0 | 16,0 | 16,0 |
| 23 | 17,0 | 19,0 | 21,0 | 12,7 | 18,0 | 18,5 | 9,0 | 15,0 | 17,0 |
| 24 | 18,0 | 20,5 | 21,5 | 11,3 | 18,0 | 19,3 | 7,7 | 14,5 | 17,0 |
| 25 | 18,0 | 20,5 | 21,0 | 12,0 | 19,0 | 20,0 | 7,0 | 14,3 | 16,0 |
| 26 | 14,5 | 20,5 | 21,0 | 10,5 | 16,3 | 19,0 | 7,7 | 15,0 | 16,5 |
| 27 | 15,3 | 20,0 | 21,5 | 10,3 | 17,0 | 18,0 | 9,7 | 13,3 | 16,0 |
| 28 | 16,0 | 19,3 | 21,0 | 11,8 | 16,0 | 17,0 | 10,5 | 14,3 | 16,0 |
| 29 | 14,7 | 19,7 | 20,5 | 8,3 | 17,3 | 18,7 | 7,0 | 14,5 | 15,5 |
| 30 | 13,5 | 18,5 | 19,5 | 10,0 | 16,5 | 19,0 | 7,0 | 13,7 | 14,0 |
Observations météorologiques faites au Kaire pendant le second trimestre de l'an 9, et communiquées par le citoyen Nouet au citoyen Desgenettes.
(Thermomètre de mercure divisé en 80 degrés entre la glace et l'eau bouillante.)
| Jours du mois. | Nivôse. | Pluviôse. | Ventôse. | ||||||
| Au lever du soleil. | À midi | Plus grande chaleur. | Au lever du soleil. | À midi | Plus grande chaleur. | Au lever du soleil. | À midi | Plus grande chaleur. | |
| 1 | 9,3 | 16,0 | 16,0 | 6,3 | 13,0 | 14,3 | 9,0 | 16,5 | 17,0 |
| 2 | 9,5 | 13,5 | 14,3 | 6,0 | 12,3 | 13,3 | 12,0 | 20,5 | 22,3 |
| 3 | 10,7 | 13,5 | 14,5 | 5,0 | 13,0 | 14,5 | 11,5 | 16,0 | 16,3 |
| 4 | 4,7 | 12,0 | 13,0 | 5,0 | 12,5 | 14,7 | 9,0 | 15,0 | 16,0 |
| 5 | 8,0 | 13,0 | 13,7 | 4,3 | 14,7 | 14,3 | 6,5 | 14,0 | 15,0 |
| 6 | 4,0 | 11,7 | 13,0 | 4,5 | 14,0 | 16,3 | 9,0 | 14,5 | 15,0 |
| 7 | 5,3 | 12,0 | 13,5 | 11,0 | 17,0 | 17,0 | 8,0 | 17,0 | 19,5 |
| 8 | 5,0 | 11,3 | 14,5 | 12,0 | 13,0 | 13,0 | 9,0 | 15,7 | 17,5 |
| 9 | 5,5 | 12,0 | 15,0 | 7,0 | 13,0 | 15,0 | 9,0 | 15,7 | 17,0 |
| 10 | 8,0 | 12,3 | 14,5 | 8,5 | 13,7 | 15,0 | 8,0 | 14,0 | 16,0 |
| 11 | 8,0 | 12,7 | 15,7 | 9,0 | 14,5 | 15,0 | 9,0 | 14,5 | 14,5 |
| 12 | 6,0 | 12,7 | 15,0 | 8,0 | 14,0 | 15,3 | 7,5 | 14,0 | 14,5 |
| 13 | 6,0 | 13,3 | 15,0 | 8,5 | 14,0 | 15,0 | 7,3 | 12,5 | 13,0 |
| 14 | 7,5 | 12,0 | 13,0 | 7,3 | 13,5 | 14,0 | 7,0 | 14,0 | 15,3 |
| 15 | 7,5 | 13,0 | 13,5 | 6,0 | 12,6 | 15,0 | 7,5 | 16,0 | 17,0 |
| 16 | 8,3 | 12,0 | 13,0 | 3,8 | 13,2 | 14,5 | 7,5 | 15,7 | 17,5 |
| 17 | 7,0 | 12,7 | 13,7 | 4,5 | 13,0 | 14,0 | 8,0 | 18,0 | 19,7 |
| 18 | 6,0 | 11,5 | 11,0 | 7,3 | 13,5 | 14,5 | 9,0 | 14,5 | 15,5 |
| 19 | 6,0 | 11,5 | 13,5 | 5,7 | 13,0 | 14,5 | 8,0 | 13,3 | 15,0 |
| 20 | 6,0 | 14,0 | 14,0 | 7,0 | 15,0 | 17,0 | 7,5 | 15,0 | 16,0 |
| 21 | 7,3 | 13,0 | 13,3 | 7,5 | 16,5 | 17,5 | 8,0 | 14,7 | 17,3 |
| 22 | 5,0 | 12,0 | 13,5 | 7,3 | 15,3 | 16,8 | 8,0 | 14,3 | 16,3 |
| 23 | 4,7 | 13,0 | 14,0 | 7,0 | 15,0 | 14,5 | 6,6 | 14,7 | 16,5 |
| 24 | 5,7 | 13,3 | 14,5 | 6,0 | 15,0 | 16,5 | 8,0 | 19,0 | 20,0 |
| 25 | 6,0 | 13,3 | 14,0 | 5,0 | 13,5 | 14,3 | 9,5 | 14,7 | 15,5 |
| 26 | 5,0 | 12,0 | 12,6 | 9,3 | 14,0 | 15,0 | 4,7 | 15,0 | 16,5 |
| 27 | 10,0 | 16,0 | 17,6 | 9,0 | 15,5 | 17,3 | 5,0 | 16,5 | 16,0 |
| 28 | 7,0 | 14,5 | 16,0 | 7,0 | 15,5 | 16,0 | 10,0 | 17,0 | 16,7 |
| 29 | 6,7 | 13,0 | 15,0 | 9,0 | 15,3 | 17,0 | 10,5 | 16,5 | 20,0 |
| 30 | 6,0 | 13,0 | 14,0 | 8,0 | 16,5 | 17,0 | 8,5 | 16,0 | 17,0 |
Observations sur la pesanteur de l'air, la direction des vents, et l'état du ciel, communiquées par le citoyen Coutelle au citoyen Desgenettes.
| JOURS. | HEURES. | BAROM. | VENTS. | ÉTAT DU CIEL. | |||
| Frimaire an 8. | Matin. | Soir. | po. | lig. | |||
| 22 | 5 | 28 | 3-3/4 | N.E. | Nuages. | ||
| 10 | 28 | 3 | E. | Clair. | |||
| 23 | 7 | 28 | 3 | N.N.E. | Nuages légers. | ||
| 12 | 28 | 2-1/5 | E. | Clair. | |||
| 10 | 28 | 3 | S.E. | Clair. | |||
| 24 | 6 | 28 | 2 | S. | Clair. | ||
| 27 | 6 | 28 | 2-1/4 | S. | Clair. | ||
| 9 | 28 | 2-1/* | S.S.O. | Clair. | |||
| 6 | 28 | 2-*/* | S.O. | Clair. | |||
| 28 | 7 | 28 | 3-1/2 | S.S.O. | Clair. | ||
| 12 | 28 | 3 | E.N.E. | Nuages. | |||
| 10 | 28 | 3-3/* | E. | Clair. | |||
| 29 | 7 | 28 | 3-1/4 | S. | Clair. | ||
| 2 | 28 | 3-1/* | O. | Couvert. | |||
| 6 | 28 | 3-3/5 | E. | Clair. | |||
| 30 | 7 | 28 | 4 | S.O. | Quelques nuages. | ||
| 12 | 28 | 3-*/* | N.E. | Nuages au nord. | |||
| 4 | 28 | 3 | E.N.E. | Clair. | |||
| 10 | 28 | 3-1/4 | Clair. | ||||
| Nivôse. | |||||||
| 1 | 7 | 28 | 3 | E. | Clair. | ||
| 3 | 28 | 2-2/3 | N.N.E. | Clair. Nuag. à l'horizon. | |||
| 12 | 28 | 3 | Clair. | ||||
| 2 | 7 | 28 | 3 | N.E. | Clair. | ||
| 12 | 28 | 3 | N. | Nuages. | |||
| 2 | 28 | 2-2/3 | E.N.E. | Clair. | |||
| 6 | 28 | 3 | N.E. | Clair. | |||
| 9 | 28 | 3 | E.N.E. | Clair. | |||
| 5 | 7 | 28 | 2-3/* | E. | Clair. | ||
| 12 | 28 | 2-1/5 | S.S.O. | Vent. | |||
| 7 | 28 | 2 | Nuages. | ||||
| 10 | 28 | 2 | Clair. | ||||