Meteorological Observations. 159 



The rates to which parliamentary proceedings are liable when sent 

 to the colonies, the rates for letters, prices current, &c., to the co- 

 lonies and foreign parts in detail by every route, and numerous other 

 particulars as to the despatch and arrivals of mails, &c. &c., will be 

 found in the ' Post-Office Official Monthly Director,' corrected and 

 published on the 1st of every month by Letts, Son and Steer, 

 8 Cornhill, price \s. per single copy, or 8s. per annum. 



M 



ETEOROLOGICAL OBSERVATIONS FOR DEC. 1848. 



Chiswick. — December 1. Foggy and drizzly : cloudy: rain, and boisterous at 

 night. 2. Fine. 3. Clear: overcast: boisterous, with rain at night. 4. 

 Boisterous, with heavy rain : clear at night. 5. Overcast : clear : slight rain. 

 6. Clear : heavy clouds. 7. Rain. 8. Slight rain. 9. Very tine. 10. Clear 

 and very fine. 11. Foggy : cloudy. 12. Foggy ; uniformly overcast. 13. Ex- 

 ceedingly fine. 14. Fine. 15. Hazy: rain. 16. Drizzly : constant heavy 

 rain. 17. Cloudy: foggy. 18. Hazy: fine: densely overcast. 19. Foggy. 



20. Hazy : clear and frosty at night. 21. Clear and frosty. 22. Frosty : clear : 

 frosty. 23. Foggy : hazy : sharp frost. 24. Frosty : slight haze : overcast. 25. 

 Hazy : cloudy. 26. Densely clouded. 27, 28. Fine. 29. Overcast. 30. Foggy : 

 fine : foggy. 31. Foggy : hazy : foggy at night. 



Mean temperature of the month 41°*75 



Mean temperature of Dec. 1 847 41 -09 



Mean temperature of Dec. for the last twenty years 39 '66 



Average amount of rain in Dec 1*58 inch. 



Boston. — Dec. 1. Cloudy : rain a.m. and p.m. 2. Fine. 3. Fine : rain p.m. 

 4. Cloudy : rain p.m. 5. Cloudy : rain a.m. 6. Fine : rain a.m. 7. Rain : 

 rain a.m. and p.m. 8. Fine: rain p.m. 9 — 11. Fine. 12. Cloudy. 13. Fine. 

 14. Cloudy : rain p.m. 15. Cloudy : stormy, with rain from s.w. p.m. 16. 

 Cloudy: rain p.m. 17,18. Fine. 19. Rain: rain early a.m. 20. Cloudy. 



21. Fine : plenty of ice this morning. 22 — 24. Fine. 25,26. Rain. 27,28. 

 Cloudy. 29. Fine. SO. Cloudy. 31. Cloudy : a remarkable dark day. 



Apjilegarth Manse, Dumfries-shire. — Dec. 1. Frost a.m. : rain and high wind p.m. 

 2. Rain: sleet: high wind: lightning. 3. Snow inch deep : heavy rain p.m. 

 4. Very high flood : heavy rain and high wind, 5. Fair, after very wet night : 

 flood again. 6. Dull : drizzling : frost a.m. 7. Frost : damp and drizzly p.m. 

 8. Soft, moist and foggy. 9. Rain ail day : high wind p.m. 10. Fair : high wind. 

 11. Fairand fine. 12. Dull and foggy a.m. : rain p.m. 13. Rain a.m. : showery 

 all day. 14. Fair a.m. : rain and high wind p.m. 15. Fair a.m. : rain p.m., with 

 storm of wind. 16. Fair and fine. 17. Frost a.m.: slight showers p.m. 18, 

 Fair A.M. : cloudy: showery p.m. 19. Fair: fog: cleared p.m. 20. Frost: 

 thaw P.M. 21. Frost, hard : clear and bracing. 22. Frost very hard : clear. 

 23. Frost keen : clear : wind rising. 24. Frost ; high wind p.m. 25. Frost, slijjht : 

 thaw P.M. 26. Rain very heavy : high wind. 27. Fair and clear : threatening 

 frost. 28. Hard frost all day.' 29. Hard frost. 30. Frost moderate: dull. 

 31. Frost moderate: cloudy. 



Mean temperature of the month 39®*8 



Mean temperature of Dec. 1847 40 '2 



Mean temperature of Dec. for the last twenty- five years . 38 '2 



Average amount of rain in Dec. for twenty years 2*94 inches. 



Sandwick Manse, Orkney. — Dec. 1. Hoar-frost: rain. 2. Cloudy. 3. Rain: 

 cloudy. 4. Showers: thunder: hail-showers. 5. Hoar-frost : showers. 6. Bright: 

 showers. 7. Bright : clear. 8. Showers : rain. 9. Cloudy : rain. 10. Hazy : 

 rain: clear. 11. Cloudy: clear. 12. Cloudy: rain. 13. Bright: showers. 

 14. Cloudy. 15. Bright : rain. 16. Showers: clear. 17. Showers : cloudy. 

 18. Cloudy. 19. Bright: clear. 20. Cloudy. 21. Bright: clear: aurora. 



22. Clear : frost : clear : aurora. 23. Clear : frost : clear. 24, 25. Cloudy. 26. 

 Rain : cloudy. 27. Showers : clear. 28, 29. Clear : frost : clear. 30, 31. Cloudy, 



