| EAST NEPAL ANDSIKKIM | CALCUTTA | ||||||||||
| No. of Obs. | Locality | Elev. | Month | Temp. | Dew Point | Diff. | Tens. | Temp. | Dew Point | Diff. | Tens. |
| 4 2 1 2 3 4 6 9 1 11 12 7 4 7 10 12 10 10 4 5 6 8 11 11 7 6 8 10 1 1 | Sinchul Sinchul Ascent of Tonglo Tambur river Sakkiazong Chateng Buckim Buckim Chateng Lachoong, 7 a.m. Lachoong, 9.50 a.m. Lachoong, noon Lachoong, 2.40 p.m. Lachoong, 4 p.m. Lachoong, sunset Lachoong, Miscellaneous Lamteng, 6 a.m. Lamteng, 9.50 a.m. Lamteng, noon Lamteng, 2.40 p.m. Lamteng, 4 p.m. Lamteng, sunset Zemu Samdong, 7 a.m. Zemu Samdong, 9.50 a.m. Zemu Samdong, noon Zemu Samdong, 2.40 p.m. Zemu Samdong, sunset Zemu Samdong, 4 p.m. Goong Tendong (top) | 8607 8607 8148 8081 8353 8418 8659 8659 8752 8777 8777 8777 8777 8777 8777 8777 8884 8884 8884 8884 8884 8884 8976 8976 8976 8976 8976 8976 8999 8663 | Jan. Apr. May Nov. Nov. Oct. Jan. Jan. May | | | Aug. | and | Oct. | | | May, | June, | July | and | Aug. | | | June | and | July | | Nov. May | 41·7 66·8 56·2 38·0 49·7 43·8 30·2 33·9 67·2 53·3 60·2 61·6 58·1 58·6 55·5 55·9 53·9 62·8 62·8 58·3 56·2 53·3 55·7 59·7 63·1 61·0 57·9 53·8 49·0 55·5 | 34·3 44·6 54·4 33·9 37·4 43·2 22·8 33·1 60·7 51·1 55·3 57·1 56·4 53·8 54·3 49·6 52·0 56·2 56·2 54·4 54·7 52·5 55·3 52·8 57·1 58·6 56·1 52·6 48·5 50·0 | 7·4 22·2 1·8 4·1 12·3 0·6 7·4 0·8 6·5 2·2 4·9 4·5 1·7 4·8 1·2 6·3 1·9 6·6 6·6 3·9 1·5 0·8 0·4 6·9 6·0 2·4 1·8 1·2 0·5 5·5 | ·216 ·310 ·434 ·213 ·241 ·299 ·143 ·207 ·536 ·388 ·447 ·475 ·464 ·424 ·432 ·368 ·400 ·461 ·461 ·435 ·438 ·407 ·448 ·412 ·473 ·500 ·459 ·407 ·355 ·373 | 66·3 96·9 86·8 71·7 74·0 79·2 68·6 69·8 89·7 83·0 87·1 90·1 88·0 87·5 84·5 85·9 59·5 88·3 92·0 92·2 92·3 88·1 80·4 86·3 88·0 89·6 89·3 82·7 79·7 88·6 | 56·9 75·4 78·9 64·1 62·4 77·5 49·4 52·2 76·8 78·9 79·9 79·4 80·0 79·4 78·7 75·2 56·4 78·7 78·0 78·4 77·1 77·4 79·8 79·0 79·8 78·2 79·0 77·3 69·1 78·1 | 9·4 21·5 7·9 7·6 11·6 1·7 19·2 17·6 12·9 4·1 7·2 10·7 8·0 8·1 5·8 10·7 3·1 9·6 14·0 13·8 15·2 10·7 0·6 7·3 8·2 11·4 10·3 5·4 10·6 10·5 | ·472 ·866 ·967 ·599 ·566 ·926 ·366 ·403 ·904 ·967 ·999 ·983 1·007 ·981 ·959 ·858 ·464 ·959 ·939 ·950 ·914 ·922 ·997 ·969 ·994 ·944 ·970 ·920 ·705 ·943 |
| 193 | Mean | 54·5 | 50·0 | 4·5 | ·388 | 83·7 | 73·7 | 9·8 | ·847 | ||
| East Nepal and Sikkim | Calcutta | |
| Humidity Weight of vapour | 0·858 4·23 gr. | 0·730 8·75 gr. |
ELEVATION 9000 TO 10,000 FEET
| EAST NEPAL ANDSIKKIM | CALCUTTA | ||||||||||
| No. of Obs. | Locality | Elev. | Month | Temp. | Dew Point | Diff. | Tens. | Temp. | Dew Point | Diff. | Tens. |
| 4 8 4 1 1 | Yangma Guola Nanki Singalelah Sakkiazong Zemu river | 9279 9320 9295 9322 9828 | Nov. Nov. Dec. Nov. June | 37·8 42·3 36·2 53·5 60·0 | 33·1 38·3 35·7 33·3 47·6 | 4·7 4·0 0·5 20·2 12·4 | ·207 ·249 ·227 ·209 ·343 | 72·7 52·2 70·9 80·0 93·3 | 61·4 48·3 62·1 57·3 81·9 | 11·3 3·9 8·8 22·7 11·4 | ·549 ·352 ·560 ·478 1·062 |
| 18 | Mean | 46·0 | 37·6 | 8·4 | ·247 | 73·8 | 62·2 | 11·6 | ·600 | ||
| East Nepal and Sikkim | Calcutta | |
| Humidity Weight of vapour | 0·747 2·80 gr. | 0·724 6·28 gr. |
ELEVATION 10,000 TO 11,000 FEET
| EAST NEPAL ANDSIKKIM | CALCUTTA | ||||||||||
| No. of Obs. | Locality | Elev. | Month | Temp. | Dew Point | Diff. | Tens. | Temp. | Dew Point | Diff. | Tens. |
| 13 5 4 2 2 4 10 4 3 16 17 9 8 9 15 4 | Tonglo Nanki Yalloong river Tonglo top Yeunga Zemu river Wallanchoon Laghep Laghep Thlonok river, 7 a.m. Thlonok river, 9.50 a.m. Thlonok river, noon Thlonok river, 2.40 p.m. Thlonok river, 4 p.m. Thlonok river, sunset Yangma Valley | 10,008 10,024 10,058 10,079 10,196 10,247 10,384 10,423 10,423 10,486 10,486 10,486 10,486 10,486 10,486 10,999 | May Nov. Dec. May Oct. June Nov. Nov. Nov. June June June June June June Dec. | 51·5 42·8 37·7 49·9 45·9 45·4 37·9 46·0 37·6 48·5 57·6 56·1 54·8 53·4 49·8 31·6 | 50·2 35·5 29·6 47·9 44·7 44·2 30·2 42·4 37·0 47·2 51·4 50·6 50·6 50·6 48·9 24·3 | 1·3 7·3 8·1 2·0 1·2 1·2 7·7 3·6 0·6 1·3 6·2 5·5 4·2 2·8 0·9 7·3 | ·376 ·225 ·183 ·348 ·311 ·306 ·187 ·287 ·238 ·339 ·392 ·382 ·381 ·381 ·359 ·149 | 88·8 79·5 77·7 89·4 79·5 84·6 76·5 80·9 75·3 79·0 87·4 90·0 88·5 88·7 85·5 74·4 | 80·8 65·8 62·1 80·5 77·1 75·1 61·9 68·0 69·4 75·1 78·8 79·3 79·7 78·7 78·0 61·9 | 8·0 13·7 15·6 8·9 2·4 9·5 14·6 12·9 5·9 3·9 8·6 10·7 8·8 10·0 7·5 12·3 | 1·030 ·633 ·560 1·018 ·915 ·856 ·558 ·681 ·712 ·856 ·965 ·979 ·991 ·962 ·938 ·558 |
| 123 | Mean | 46·7 | 42·8 | 3·8 | ·303 | 82·8 | 73·3 | 9·5 | ·826 | ||
| East Nepal and Sikkim | Calcutta | |
| Humidity Weight of vapour | 0·878 3·35 gr. | 0·740 8·70 gr. |
ELEVATION 11,000 TO 12,000 FEET
| EAST NEPAL ANDSIKKIM | CALCUTTA | ||||||||||
| No. of Obs. | Locality | Elev. | Month | Temp. | Dew Point | Diff. | Tens. | Temp. | Dew Point | Diff. | Tens. |
| 3 3 1 12 6 8 5 6 6 2 10 9 5 7 4 10 7 | Barfonchen Punying Kambachen village Tallum, 7 a.m. Tallum, 9.50 a.m. Tallum, noon Tallum, 2.40 p.m. Tallum, 4 p.m. Tallum, sunset Kambachen Valley Yeumtong, 7 a.m. Yeumtong, 9.50 a.m. Yeumtong, noon Yeumtong 2.40 p.m. Yeumtong, 4 p.m. Yeumtong, sunset Yeumtong, Miscellaneous | 11,233 11,299 11,378 11,482 11,482 11,482 11,482 11,482 11,482 11,484 11,887 11,887 11,887 11,887 11,887 11,887 11,887 | Nov. Aug. Dec. July July July July July July Dec. | | Aug., | Sep., | and | Oct. | Oct. | 36·8 50·2 43·3 50·4 58·1 57·9 55·7 54·3 48·8 30·4 44·4 53·6 54·5 48·8 48·4 42·0 43·5 | 31·9 49·5 32·5 47·8 50·5 50·8 50·2 50·1 47·3 26·0 43·8 48·9 48·3 47·4 47·1 35·9 37·1 | 4·9 0·7 10·8 2·6 7·6 7·1 5·5 4·2 1·5 4·4 0·6 4·7 6·2 1·4 1·3 6·1 6·4 | ·198 ·367 ·203 ·347 ·380 ·384 ·377 ·375 ·340 ·161 ·302 ·360 ·353 ·342 ·338 ·229 ·239 | 76·3 84·5 80·0 85·0 88·1 89·7 89·3 90·3 86·6 69·9 83·0 87·5 89·7 87·2 85·2 60·6 83·7 | 69·6 78·8 61·2 80·3 79·7 81·3 80·6 79·4 80·0 59·5 78·9 78·7 77·2 77·2 77·8 58·5 69·7 | 6·7 5·7 18·8 4·7 8·4 8·4 8·7 10·9 6·6 10·4 4·1 8·8 12·5 10·0 7·4 2·1 14·0 | ·719 ·963 ·544 1·010 ·993 1·043 1·020 ·981 1·001 ·515 ·967 ·959 ·917 ·915 ·934 ·497 ·720 |
| 104 | Mean | 48·3 | 43·8 | 4·5 | ·311 | 83·3 | 74·6 | 8·7 | ·865 | ||