CLIMATIC CONDITIONS. 



121 



Meteorologie observations along Chandlar and Koyukuk rivers essentially at 7 a. m. and 2 and 9 p. m., from 



June 19 to September 33, 1S99 — Continued. 



Locality and date. 



Tempera- 

 ture. 



Clouds: Kind 

 and amount 



Wind: Direc- 

 tion and 

 velocity in 

 miles per 

 hour. 



Barometer. 

 (Aneroid). 



Weather. 



Remarks. 



Koyukuk River- 

 Continued. 



Sept. 12, 2 p. m 



9p.m 



IS, 7 a. m 



2p.m 



Lower Yukon 

 River: 



Sept. 13, 9 p.m. 



14,7 a.m. 



2p.m 



9 p. m 



15, 7 a. m 



Nulato: 



Sept. 15, 2 p. m 



9 p. m 



16,7a.m 



2p.m 



9 p. m 



Steamer Weare: 



Sept. 17,7 a.m 



2p.m 



9p.m 



18, 7 a.m 



2 p. m 



Holy Cross: 



Sept. 18,9p.m 



19, 7 a.m 



2 p.m. 



Andreafski: 



Sept. 19,9 p.m. 



20, 7 a. m. 



Steamer Weare 

 50 miles below 

 Andreafski: 



Sept. 20,2 p.m. 



9 p.m. 



Aphoon mouth: 



Sept. 21,7 a.m. 



Norton Sound: 



Sept. 21,2 p.m. 



St. Michael: 



Sept. 21,9 p.m. 



22,7 a.m. 



2 p.m. 



9 p.m. 



23,9 a.m. 



2 p.m. 

 9 p.m. 



Degr. F. 

 52.5 

 49.5 

 44.5 

 52 



47.5 

 41.5 



S-Cu 



Cu-n. 10 . 



Ci-s. 2 ... 



S-n.9.... 



51 



39 

 37 



4S 

 32 

 21 

 33 

 31 



Cu-n. 6 



Cu-s. 4. 



Cu-s. 5. 

 S-n. 6.. 

 S-n. 8... 



S-n. 9 . . 

 S-n. 4.. 

 S-cu. 1 . 

 S-eu. 2 . 

 10 



32.5 

 37 



33.5 

 27.5 



37 

 34 



33.5 



35 

 34 

 35 



Ci-cu. 4 . 

 Ci-cu. 8 . 



Ci-cu. 6 . 

 10 



N.f 



Ci-s. 4 



Frozen 

 hard. 



10 



Ci-s. 10 . 



10 



10 



Ci-cu. 7 . 



Ci-cu. 4 . 



Ci-cu. 6 . 



E. 2. 











SW. 12. 



SW. 16. 



SW. 20. 



SW. 20. 

 SW. 10. 

 SW. 15. 



SW. 10. 

 NW. 3. 



NE. 2. 

 NE. 9. 



NE. 8. 



raw. 3. 



SW. 2. 

 SW. 1. 



s. 



10. 



SW. 5. 

 W. 2. 



Nearly calm. 

 Nearly calm. 

 Nearly calm. 



SW.10. 

 



Threatening. 

 Rainy 



Showery". 



Rained hard in 

 night. 



Stormy (?) 



Showery (?) . 

 Showery 



Snowing hard . 



-do. 

 .do. 



Snowing; scatter- 

 ingly. 



do 



Fog. 



Some fog 



Snowing hard . . . 



Snowing. 



....do... 

 Snowy . . . 

 Snowing. 

 ....do... 



Snowing. 

 ....do... 



Threatening (river 48.5°). 



Clearing; fair morning. 

 Showery and threatening. 



Stormy. Location; Koyukuk 

 Station. 



Stormy, but clearing. 



Storming. 

 Stormy at Nulato. 

 Storming. 



Do. 



Cold. 



IceHnch thick; fine morning. 



Hazy. 



Snowed since 3 p. m., and snow- 

 ing hard now. 



Snowedhardallnight; 3inches. 

 Snowed most of the day. 



Clearing (?). 

 Do. 



Fair, moonlight evening. 

 Boat stopped by fog. 



Blustery. 

 Wintry. 



Fog. 



Fair p. m. 



Threatening. 

 Snowed all a.m. 

 Cold. 

 Do. 



Do. 

 Do. 



