U2 



On Ozone. 



Cases op Minimum Ozone ~ ( Continued \ 



Date. 



Day 

 or 



Night. 



1864. 

 Jan. 30-81 



Feb. 1 

 5 

 14 

 14-15 



15 

 15-16 



16 



16-17 



17 



17-18 



28-29 

 Mar. 1-2 



7-8 

 8-9 

 9-10 



10 



10-11 



11 



13-14 

 23-24 



24 



24-25 



29-30 

 31 



April 11 

 11-12 



18-19 

 19-20 



Night 



Day 

 j> 



Night 



Day 



Night 



Day 

 Night 

 Day 



Night 



Day 

 Night 



Day 

 Night 

 Day 



Night 



Day 



Night 



Day 



Night 



Day 



Night 



Direction of Wind. 



1.0 

 I 

 0.0 

 1.0; 

 1.0 1 



"i 



1.0 

 1.0 1 



Calm, and N.N.E. 



towards morning 



S., S.S.W., and calm 



S. and S.E. 



S.E. and S.S.W. 



S.E. during evening, 



N.E. tow'dsmom'g 



Ely. and S.S.W. 



E. 



N. and E. 

 Cahnand N.E. 

 N. and N.N.E. 



1.0 N.N.E. and N.N.W. 



S.S.W. and S.E. 



E. and N.E. 



E. 



E.S.E. and E. 



Variable and light 



Variable and light 



Ely. and N. 



E. and N.E. 



N. and N.N.E. 



1.0 Variable d'ng even'g, 



! N. tow'ds morning 



1.0 Calm during evening, 



I N. E. to^y'ds morn'g 



0.0: N.N.E. 



N.E. during evening, 



S.W. in morning 



Variable and light 



E. and N. 



Calm and N. E. 



Nly. and E.S.E. 



E. and N.E. 

 E. and N.E. 



Ely. 



Calm 



General State of the Weather. 



Fine and clear, with heavy dew. 



Very fine, with a strong, cool breeze. 

 Fine and plea^sant ; very hazj'. 

 Very fine and clear. 

 Fine and clear, with heavy dew. 



Very fine and clear. 



Fine and clear, with heavy dew (earth- 

 quake at 2 a.m). 



Close and sultry. 



Close and sultry and cloudy. 



Boisterous and very hot ; sheet lightning 

 in S.E. and S.W. during evening. 



Cloudy and squally ; ra,in squalls at 6.30 

 a.m. 



Fine, but cloudy. 



Fine, with heavy dew during the night. 



Cloudy, and close and sultiy towards 

 morning. 



Fine and clear, with heavy dew. 



Fine and clear, with heavy dew. 



Fine, with dew. 



Dull and threatening and sultry. 



Close and sultry. 



Close and sultry ; very hot afternoon, 

 and threatening sky. 



Fine and clear ; very squally. 



Fine and clear, with heavy dew. 



Very hot ; fine in the morning ; at 3 

 o'clock, rain in S.W., thunder in 

 same direction ; at 4 o'clock, wind 

 round to S.W., with heavy squalls 

 and dense clouds of dust ; at 5 

 o'clock, back again to N.N.E. 



Fine an^l clear. 



Fine and very hot. 



Fine and clear, with heavy dew. 



Fine and clear. 



Fine and very hot ; scattered rain at 6 



p.m. ; sheet lightning in evening. 

 Very fine and clear. 

 Fine and clear, with heavy dew. 

 Fineand clear, with heavy dew. 

 Fine evening ; heavy dew in the night ; 



dark and gloomy towards morning. 



