Meteorological Observations. 287 



their tracks are still visible in the snow for twenty or tliirty yards on 

 their north side, from which they have gathered up their concentric 

 coats ; and I understand these were still more evident at an early 

 hour before a snow-shower obliterated them in many places. 



I am. Sir, yours very truly, 



Charles Clouston. 



METEOROLOGICAL OBSERVATIONS FOR FEB. 1847. 



Chiswick. — February 1. Overcast. 2. Slight snow. 3. Cloudy. 4. Cloudy: 

 frosty. 5. Overcast. 6. Slight rain. 7. Overcast : snowing. 8. Sharp frost: 

 snowing. 9. Clear and frosty : intense frost at night. 10. Severe frost : snow- 

 ing. Jl. Overcast: slight thaw : severe frost. 12. Intense frost : clear : severe 

 frost. 13. Clear and frosty. 14. Rain. 15. Cloudy : boisterous. 16. Over- 

 cast: rain. 17. Fine. 18. Densely clouded : boisterous. 19. Boisterous : fine: 

 clear and calm. 20,21. Overcast : fine. 22. Hazy : overcast. 23. Hazy and 

 cold. 24. Dry air : clear and frosty. 25. Slight haze. 26. Hazy. 27, 28. 

 Cloudy and cold. 



Mean temperature of the month 34°*79 



Mean temperature of Feb. 1846 43 '32 



Mean temperature of Feb. for the last twenty years 39 '55 



Average amount of rain in Feb I*61inch, 



Boston, — Feb. 1. Cloudy: snow p.m. 2. Cloudy: snow early a.m.: snow 

 nearly all day. 3. Cloudy : snow p.m. 4. Fine. 5 — 7. Cloudy. 8 — 10. Fine. 



11. Cloudy: snow on the ground. 12. Cloudy. 13. F'ine. 14. Cloudy : rain 

 early A.M. 15. Cloudy. 16. Cloudy: rain early a.m. 17. Fine: rain early a.m. 

 18. Fine: rain P.M. 19. Stormy. 20—23. Cloudy. 24. Fine. 25. Cloudy. 

 26. Cloudy : snow early a.m. 27. Fine : snow p.m. 28. Fine : melted snow. 



Sandwich Manse, Orhiey. — Feb. 1. Snow : clear. 2. Snow: clear : frost : clear. 

 3. Bright: thaw : drizzle. 4. Damp : drizzle. 5. Showers : lightning. 6. Hail- 

 showers : aurora. 7. Hail-showers : snow-showers : aurora. 8. Snow-showers : 

 aurora. 9. Snow-drift. 10. Sleet : thaw : snow : frost. 1 1. Deep snow* : snow. 



12. Deep snow : bright : showers : thaw. 13. Thaw : rain. 14. Sleet- showers. 

 15. Cloudy : showers. 16. Showers. 17. Showers : rain. 18. Showers. 19. 

 Showers: clear. 20. Cloudy : rain. 21. Bright : showers, 22. Bright : clear : 

 aurora : large halo. 23. Bright : clear. 24. Cloudy : clear : aurora 25. Clear : 

 frost : clear. 26. Bright : clear. 27. Clear : cloudy. 28. Cloudy. 



Applegarth Manse, Dumfries- shire. — Feb. 1. Frost: snow lying half an inch 

 deep. 2. Frost : slight shower : snow. 3. Frost. 4. Frost, but mild. 5. Thaw : 

 slight rain. 6. Thaw : fair. 7, Frost : clear and fine. 8. Frost, hard. 9. Frost : 

 threatening snow. 10. Frost: sprinkling snow. 11. Frost: fine: clear. 12. 

 Frost: sprinkling snow. 13. Frost a.m. : rain p.m. 14. Thaw, soft and fine. 

 15. Frost, slight : thaw : rain. 16 — 18. Rain. 19. Rain and sleet : fierce wind. 

 20. Rain and wind. 21. Fair and fine: thrush singing. 22. Rain early a.m. : 

 cleared. 23. Slight hoar-frost : clear. 24. Frost : clear and bright sun, 25. 

 Hoar-frost. 26,27. Frost. 28. Frost : clear and fine. 



Mean temperature of the month 36°'25 



Mean temperature of Feb. 1846 43 '4 



Mean temperature of Feb. for twenty-five years 37 '2 



Mean rain in Feb. for twenty years 2 inches. 



* This morning the snow in many places is found rolled up in hollow fluted 

 cylinders, the largest of which measures 3.j feet long and 7 feet in circumference : 

 one which measures 3 feet by 6\ weighs 64 lbs. 



