140 



On Ozone. 



Cases of Minimum Ozone — [Continued) 





Day 









Date. 



or 



Night. 



o 



Direction of Wind. 



General State of the Weather. 



1863. 

 Mar. 18-19 



Night 



0.5 



Wly.,S.,andN.Wly., 



light. 



Cahn, S. and E. 



Rain showers dmring evening. 



20 



Day 



1.0 



Fine and clear. 



24 





1.0 



N.Ely. 



Fine and clear. 



24-25 



Night 



1.0 



N.Ely. 



Fine and clear. 



25 



Dly 



0.5 



N. and N.E. 



Fine and clear. 



28-29 



Night 



1.0 



Calm and N.E. 



Fine and clear ; hea^'y dew. 



29-30 



" 



0.5 



N.Ely. 



Fine and clear ; hea\ y dew. 



30-31 





1.0 



Calm 



Fine and clear ; heavy dew. 



April 6-7 



J 



10 



N. Ely and calm 



Fine and clear ; heavy dew. 



7 



Day 



1.0 



Nly. 



Fine and clear. 



8 





1.0 



N. and N.N. E. 



Fine and clear. 



8-9 



Night 



1.0 



N.N.E. and E.N.E. 



Fine and clear ; heavy dew. 



9 



Day 



1.0 



N.E., S.W. and calm, 

 very light 



Fine and clear. 



10 



" 



1.0 



N.Ely 



Fine and clear. 



12 





1.0 



N.E. and Sly., hght 



Fine and clear. 



13-14 



Night 



0.5 



Cahn 



Fine and clear, with heavy dew during 

 evening ; fog after midnight. 



14-15 





0.5 



Calm and N.E. 



Fine and clear, with heavy dew. 



15 



Day 



0.5 



Variable and light 



Fine and clear, and sultry. 



16-17 



Night 



0-5 



S.S.W. and W., light 



Rain showers after 10 p.m. ; sheet light- 

 ning dm-ing evening. 



20 



Day 



0.5 



N.E., S., and N., 

 very light. 



Fine and pleasant. 



20-21 



Night 



0.5 



N.Ely. 



Fine. 



21 



Day 



0.5 



Variable and cahn 



Fine and pleasant. 



21-22 



Night 



0.5 



N.Ely. 



Fine. 



22 



Day 



0.5 



Variable and calm 



Fine and clear. 



May 1-2 



Night 



0.5 



N. Ely. 



Fine and clear. 



9 



DEy 



1.0 



Variable and calm 



Fine and clear. 



11 





1.0 



N.E. and Sly., vei-y 

 light 



Fine. 



June 1 





1.0 



Variable" and calm 



Fine and pleasant ; foggy atmosphere. 



1-2 



Night 



0.5 



Calm 



Heavy fog. 



2-3 





0.5 



Calm 



Heavy fog. 



4 



Day 



05 



Ely. and calm 



Dull and foggy. 



7-8 



Night 



1.0 



N.Ely. 



Fine and clear during evening, with heavy 

 dew ; overcast towards morning- 



10-11 



jj 



1.0 



Calm and N.E. 



Foggy. ^ 



11 



Day 



0.5 



N. and N.E. 



Fine and mUd ; very hazy. 



12 





0.5 



N.E. and E. 



Fine ; dense haze. 



13 



>) 



0.5 



Calm 



Very foggy. 



13-14 



Night 



1.0 



Calm 



Veiy foggy. 



14 



Day 



0.5 



S.W. and S., light 



Fine and pleasant. 



15-16 



Night 



0.0 



N.Ely. 



Fine dm-ing evening; dull towards 

 morning, with light rain and heavy 

 mist all round. 



16 



18 



Day 



1.0 

 1.0 



Nly. 



Nly. 



Boisterous, with heavy, threatening skv 

 Fine and mild. ^ 



18-19 



Night 



0.0 



Calm and N.E. 



Very fine, -nith hea-^y dew. 



19-20 





1.0 



Calm and N.E. 



Very foggy. 



20 



Day 



1.0 



E. and Nly. 



Foggy, but fine. 



26 



" 



1.0 



Calm and N.E. 



Dense fog. 



27 





0.0 



Calm and variable 



Dense fog. 



27-28 



Night 



1.0 



E. and N.E., light 



Very foggy. 



28 



Day 



1.0 



N. and N.E. 



Fine and clear. 



30 





1.0 



N. and-W.S.W. 



Scattered rain at 10 a.m. ; fine after- 

 noon and boisterous ; toward even- 

 ing foggy. 



July 12-18 



Night 



1.0 



N.N.W. and calm 



Dull, but fine ; fog after 6 a.m. 



Aug. 12-13 



)> 



1.0 



E. and N.E. 



Fine and clear ; ice and hoarfrost. ' 



14-15 





1.0 



Calm and N.E. 



Fine and clear ; hoarfrost. 



Sept. 13 



Day 



1.0 



N. and N.E. 



Very fine, but boisterous. 



13-14 



Night 



1.0 



N.N.W. 



Fine during evening; dull and boisterous 

 towards morning. 



