| Locality | Date | Eleva- tion (feet) | Depth (ft. in.) | Temperature of sunk Thermometer | Extreme Temperature of Air observed | Approx. Mean Temp. of Air deduced | Diff. between Air and sunk Therm. |
| Base of Tonglo Simsibong Tonglo saddle Tonglo summit Simonbong Nanki Sakkiazong Mywa guola Banks of Tambur higher up river Wallanchoon Yangma village Yangma river Bhomsong Tchonpong Jongri Buckeem Choongtam Junction of Thlonok and Zemu Tungu Tungu Lamteng Choongtam Lachoong Yeumtong Momay Yeumtso Lachoong Great Rungeet Leebong Kursiong Leebong Punkabaree Jillapahar (Mr. Hodgson’s) Superintendent’s house | May 19 May 20 May 21 to 22 May 23 May 24 Nov. 4 to 5 Nov. 9 to 10 Nov. 17 to 18 Nov. 18 to 19 Nov. 19 to 20 Nov. 23 to 25 Nov. 30 to Dec. 3 Dec. 2 to 3 Dec. 24 to 25 Jan. 4 Jan. 10 to 11 Jan.12 May 19 to 25 June 13 to 16 July 26 to 30 Oct. 10 to 15 Aug. 1 to 3 Aug. 13 to 15 Aug. 17 to 19 Sept. 2 to 8 Sept. 10 to 14 Oct. 16 to 18 Oct. 24 to 25 Feb. 11 to 13 Feb. 14 to 15 Apr. 16 Apr. 22 May 1 | Aug. 15 to 16 | Aug. 15 to 16 | Aug. 20 to 22 | Aug. 20 to 22 | Sept. 9 | Sept. 9 | Oct. 6 | Oct. 20 | Feb. 18 to 28 | Mar. 1 to 13 | Apr. 18 to 20 | Apr. 30 Apr. 21 to 30 | 3,000 7,000 10,008 10,079 5,000 9,300 8,353 2,132 2,545 3,201 10,386 13,502 10,999 1,596 4,978 13,194 8,665 5,268 10,846 12,751 12,751 8,884 5,268 8,712 11,919 15,362 16,808 8,712 818 6,000 4,813 6,000 1,850 7,430 7,430 7,430 7,430 7,430 7,430 7,430 7,430 7,430 7,430 7,430 7,430 6,932 | 2 0 2 0 2 6 2 6 2 6 3 0 3 0 3 0 3 0 3 0 2 0 2 0 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 5 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 7 5 0 7 7 5 0 7 7 5 0 7 7 7 7 7 7 2 7 2 7 2 7 2 7 2 7 | 78 61·7 50·7[[434]] 49·7 69·7 51·5 53·2 73·0 71·0 64·5 43·5 to 45·0 37·3 to 38·0 41·4 to 42·0 64·5 to 65·0 55·0 34·5 43·2 62·5 to 62·7 51·2 59·0 to 56·5 50·8 to 52·5 62·2 to 62·5 72·1 66·3 to 66·0 55·5 to 56·1 52·5 to 51·5 43·5 to 43·0 60·2 65·0 50·8 to 52·0 64·5 61·8 to 62·0 80·0 62·0 to 62·8 61·5 to 62·3 61·6 to 61·7 60·7 60·2 60·5 60·0 58·5 46·0 to 46·7 46·3 to 48·3 55·3 to 56·0 57·4 58·8 to 60·2 | 67·5 to 67·0 59·0 to 59·5 47·5 to 57·5 47·5 to 53·2 51·2 to 55·5 33·0 to 50·5 37·8 to 55·0 41·0 to 85·0 48·0 to 65·0 44·3 to 60·0 25·0 to 49·7 20·0 to 46·0 23·0 to 40·0 42·8 to 71·3 33·0 to 54·8 3·7 to 34·0 40·0 to 29·8 48·0 to 78·3 38·2 to 57·2 38·0 to 62·3 34·5 to 53·3 47·5 to 78·2 54·8 to 82·0 43·5 to 68·7 39·5 to 59·5 31·0 to 62·5 4·0 to 52·0 39·0 to 62·6 56·0 to 71·0 41·5 to 56·0 63·0 to 60·0 54·0 to 67·8 68·2 to 78·0 58·0 to 66·0 58·0 to 66·0 58·7 to 67·8 58·7 to 67·8 56·2 to 65·0 56·2 to 65·0 52·0 to 61·0 49·7 to 55·2 36·0 to 52·8 34·5 to 53·3 46·0 to 61·3 46·0 to 61·3 48·5 to 65·8 | 52·5 52·5 52·5 41·2 46·1 63·4 55·6 51·6 37·4 33·0 27·9 57·1 43·9 15·3 32·4 63·2 49·8 50·0 41·1 57·0 72·0 57·0 47·2 41·6 30·6 52·0 63·5 46·0 63·0 60·0 76·0 61·5 61·5 61·7 61·7 60·0 60·0 58·5 56·5 43·0 46·0 54·0 55·0 58·0 | – 1·8 – 1·8 – 1·8 + 9·7 + 7·1 + 9·6 +15·4 +12·9 + 7·6 + 4·7 + 3·6 + 6·6 +11·1 +19·2 +10·8 – 0·6 + 1·4 + 7·7 +10·7 + 5·3 + 0·1 + 9·2 + 8·6 +10·4 +12·6 + 8·2 + 1·5 + 5·4 + 1·5 + 1·9 + 4·0 + 0·9 + 0·4 – 0·1 – 1·0 + 0·2 + 0·5 + 1·5 + 2·0 + 6·4 + 1·3 + 1·7 + 2·4 + 1·5 |
[434] Sheltered by trees, ground spongy and wet.
| Locality | Date | Eleva- tion (feet) | Depth (ft. in.) | Temperature of sunk Thermometer | Extreme Temperature of Air observed | Approx. Mean Temp. of Air deduced | Diff. between Air and sunk Therm. |
| Kishengunj Dulalgunj Banks of Mahanuddy river Ditto Ditto Maldah Mahanuddy river Ganges Bauleah Dacca | May 3 to 4 May 7 May 8 May 9 May 10 May 11 May 14 May 15 May 16 to 18 May 28 to 30 | 131 130 100 100 100 100 100 100 130 72 | 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 7 | §82·8 to 83·0 §81·3 †79·3 †87·5 †88·0 †88·8 †87·8 †88·0 87·8 to 89·8 84·0 to 84·3 | 70·0 to
85·7 74·3 to 90·3 75·0 to 91·5 77·8 to 92·5 78·5 to 91·5 75·3 to 91·3 71·0 to 91·7 73·0 to 87·8 78·0 to 106·5 75·3 to 95·5 | 82·0 82·0 83·0 83·0 82·3 82·3 82·3 82·3 80·5 83·3 | +0·8 –0·7 –3·7 –4·5 –5·7 –6·5 –4·5 –5·7 +7·3 +0·9 |
SERIES IV. Khasia Mountains
| Locality | Date | Eleva- tion (feet) | Depth (ft. in.) | Temperature of sunk Thermometer | Extreme Temperature of Air observed | Approx. Mean Temp. of Air deduced | Diff. between Air and sunk Therm. |
| Churra Churra Kala-panee Kala-panee Kala-panee Kala-panee Moflong Moflong Moflong Syong Syong Myrung Myrung Myrung Myrung Nunklow Nunklow Pomrang Pomrang | June 28 to 25 Oct. 29 to Nov. 16 June 28 to 29 Aug. 5 to 7 Sept. 13 to 14 Oct. 27 to 28 June 30 to July 4 July 30 to Aug. 4 Oct. 25 to 27 July 29 to 30 Oct. 11 to 12 July 9 to 10 July 26 to 29 Oct. 12 to 17 Oct. 21 to 25 July 11 to 26 Oct. 17 to 21 Sept. 15 to 23 Oct. 6 to 10 | 4,226 5,302 6,062 5,725 5,647 4,688 5,143 | 2 7 2 7 2 7 2 7 2 7 2 7 2 7 | *71·8 to 72·3 68·3 to 64·0 69·2 70·0 to 70·4 *70·2 *66·3 65·0 67·3 63·2 69·2 to 69·3 67·0 66·2 to 66·3 68·3 66·0 to 64·8 64·8 to 64·0 70·5 to 71·3 68·8 to 68·3 70·3 to 68·5 68·3 | 64·8 to 72·2 70·7 to 49·3 64·2 to 71·2 72·2 to 61·8 65·5 to 69·8 64·0 to 56·0 61·0 to 68·3 64·0 to 75·8 63·7 to 55·7 60·0 to 78·5 65·7 to 55·5 60·0 to 73·8 78·0 to 64·2 70·0 to 55·5 66·0 to 53·0 65·5 to 81·5 75·7 to 58·0 73·0 to 57·0 73·7 to 58·2 | 69·9 61·7 67·2 64·9 66·0 60·0 64·0 68·5 64·1 69·2 62·8 67·5 71·1 63·0 60·5 71·5 66·1 65·5 65·0 | +2·2 +4·5 +2·0 +5·2 +4·2 +6·3 +2·2 –1·2 –0·9 +0·1 +4·2 –1·2 –2·8 +2·4 +3·9 –0·5 +2·5 +3·9 +3·3 |
* Hole full of rain-water. † Soil, a moist sand. § Dry sand.
SERIES V. Jheels, Gangetic Delta, and Chittagong
| Locality | Date | Eleva- tion (feet) | Depth (ft. in.) | Temperature of sunk Thermometer | Extreme Temperature of Air observed | Approx. Mean Temp. of Air deduced | Diff. between Air and sunk Therm. |
| Silchar Silhet Noacolly Chittagong Chittagong Chittagong, flagstaff hill Hat-hazaree Sidhee Hattiah Seetakoond Calcutta† | Nov. 27 to 30 Dec. 3 to 7 Dec. 18 to 19 Dec. 23 to 31 Jan. 14 to 16 Dec. 28 to 30 Jan. 4 to 5 Jan. 5 to 6 Jan. 6 to 9 Jan. 9 to 14 Jan. 16 to Feb. 5 | 116 133 20 191 151 20 20 20 20 18 | 2 7 | 77·7 to
75·8 73·5 to 73·7 73·3 72·5 to 73·0 73·3 to 73·7 72·0 to 71·8 71·3 71·0 *67·7 73·3 to 73·7 76·0 to 77·0 | 55·0 to
81·7 63·0 to 74·5 58·5 to 76·5 53·2 to 75·0 61·3 to 78·7 55·2 to 74·2 50·5 to 62·0 52·7 to 70·2 50·2 to 77·5 55·2 to 79·5 §56·5 to 82·0 | 69·1 69·5 69·5 63·8 65·5 65·3 65·0 65·0 64·5 70·2 69·3 | +7·7 +3·1 +3·8 +9·0 +8·3 +6·6 +6·3 +6·0 +3·2 +3·3 +7·2 |
* Shaded by trees. † Observations at the Mint, etc., by Mr. Muller.
§ Observations for temperature of air, taken at the Observatory.