Table 31 . -- Height of celling by hour of day, and number of days per month in each height class —Continued 



(Av. 1950-58) 



77:727 























ILIAMNA 























Time 

 of 









Coiling in 



hundreds 



of feet 









Time 

 of 









Ceiling in 













day 







1-2 



3-4 



5-9 



10-19 



20-29 



30-49 



50-95 



96-199 



Unlim. 



day 







1-2 



3-4 



5-9 



10-19 



20-29 



30-49 



50-95 



96-199 



Unlim. 













April 























\ pril 











0300 

 0900 

 1200 

 1500 

 1800 

 2100 





0.2 

 .1 



0.1 

 .2 

 .1 

 .1 



.1 



0.4 

 .8 

 .4 

 .9 



.6 

 .6 



2.3 

 2.2 

 2.0 

 2.3 

 1.2 

 2.1 



2.9 

 2.3 

 1.9 

 1.9 

 2.7 

 2.1 



6.9 

 5.8 

 6.6 

 7.1 

 7.0 

 6.3 



3.4 

 4.2 

 4.6 

 3.8 

 3.7 

 3.9 



0.8 

 1.7 

 1.1 

 1.6 

 L.4 



13.0 

 12.8 

 13.3 

 12.3 

 13.4 

 13.6 



0300 

 0900 

 1200 

 1500 

 1800 

 2100 



0.1 



0.1 



.1 

 .3 



0.1 

 .1 



.2 

 .1 

 .1 



0.8 

 .8 

 .6 

 .6 



1.1 

 .9 



2.0 

 3.0 

 2.6 

 .0 

 E . 1 

 2.0 



2.8 

 2.2 

 1.6 

 1.9 

 1.8 

 1.3 



4.3 



. 9 



4.8 

 3.9 

 4.2 

 5.1 



5.2 

 E ..: 

 4.2 

 5.1 

 5.0 

 -1 . 9 



0.9 

 1.0 

 1.2 

 1.2 

 1.2 

 .8 



13.7 

 12.7 

 15.0 

 15.0 

 14.5 

 14.6 



Av. 





.1 



.1 



.6 



2.0 



2.3 



6.6 



3.9 



: . 2 



13.1 



Av. 



.0 



.1. 



.1 



.8 



2.3 



1.9 



4.5 



5.0 



1.1 



14.2 



May May 



0300 





.3 





.2 



.8 



2.8 



9.4 



6.0 



1.4 



10.1 



0300 



.2 



.1 



.1 



.8 



1.2 



2.4 



8.0 



8.7 



.9 



8.6 



0900 









.2 



.9 



1.6 



9.0 



6.7 



2.6 



10.0 



0900 









.7 



2.0 



2.2 



6.2 



7.4 



1.9 



10.6 



1200 











1.2 



1.2 



9.3 



7.0 



2.2 



10.1 



1200 









.9 



.8 



1 . 6 



6 . 6 



9.0 



1.3 



10.8 



1500 









.1 



.6 



2.7 



10.1 



6.1 



2.0 



9.4 



1500 









.6 



1.1 



.7 



6.6 



7.7 



1.9 



12.2 



1800 











1.7 



3.6 



9.0 



5.2 



1.3 



10.2 



1800 









.3 



.9 



.8 



7.4 



8.1 



1.8 



11.7 



2100 











1.0 



3.1 



8.8 



4.3 



1.7 



11.1 



2100 









.2 



1.4 



2.3 



7.4 



8.3 



1.2 



10.2 



Av. 





.1 





.1 



1.0 



2.5 



9.3 



5.9 



1.9 



10.2 



Av. 



.0 



.0 



.0 



.6 



1.2 



1.7 



7.1 



8.2 



1.5 



10.7 















June 























June 











0300 





.1 



.2 



.3 



1.1 



2.3 



7.3 



6.7 



1 . ?. 



10.2 



0300 





.3 



.1 



1.4 



1.3 



1.7 



6.9 



7.8 



1.2 



9.3 



0900 









.3 



1.1 



1.1 



7.4 



6.8 



2.1 



11.2 



0900 







.2 



1.1 



2.6 



1.9 



5.8 



7.7 



1.0 



9.7 



1200 











.8 



1.0 



8.1 



6.7 



1.9 



11.5 



1200 









.6 



] . 1 



1.7 



7.1 



7.7 



1.3 



10.2 



1500 











.4 



1.0 



7.2 



6.8 



2.1 



12.5 



1500 











.4 



1.2 



7.5 



7.9 



1.8 



11.2 



1800 











.3 



.4 



9.3 



5.8 



2.8 



11.4 



1800 









.1 



.6 



1.2 



6 . 



8 . 1 



1.4 



12.6 



2100 







.1 





.4 



.7 



9.0 



6.1 



1.9 



11.8 



2100 









.4 



.8 



1.0 



:-. " 



9.1 



1.0 



10.9 



Av. 







.1 



.1 



.7 



1.1 



8 . 



6.5 



2 . 1 



11.4 



Av. 





.1 



.1 



.6 



1.2 



1.4 



6.7 



8.0 



1.3 



10.6 















July 























July 











0300 



0.1 



.4 



.1 



.3 



1.6 



1.3 



7.7 



: . 3 



1.8 



11.8 



0300 



.2 



.4 



.7 



2.0 



2.0 



1.7 



8.7 



5.7 



1.2 



9.4 



0900 











.3 



1.0 



8.6 



5.9 



1.9 



13.3 



0900 





.2 



.6 



2.0 



3.8 



1.9 



6.2 



6.4 



1.3 



8.6 



1200 











.3 



1.0 



7.8 



7.0 



1.7 



13.2 



1200 





.1 





1.3 



2 . E 



2.1 



7.0 



6.6 



1.7 



9.7 



1500 







.2 





.9 



.8 



6.7 



7.1 



1 . 6 



13.7 



1500 







.1 



1.0 



1.4 



1.8 



E .- 



7.6 



1.0 



11.3 



1800 







.1 



.2 



.8 



1.3 



7.0 



6.8 



1.8 



13.0 



1800 





.1 



.1 



.7 



1.3 



1.7 



6.4 



9.1 



.8 



10.8 



2100 





.1 



.3 



.1 



.6 



1.3 



6.7 



6.8 



1.1 



14.0 



2100 









.8 



1.7 



.(■ 



7.7 



7.7 



1.8 



10.7 



Av. 



.0 



.1 



.1 



.1 



.8 



1.1 



7.4 



6.6 



1.6 



13.2 



Av. 



.0 



.1 



.2 



1.3 



2.1 



1.6 



7.1 



7.2 



1.3 



10.1 













August 





















August 











0300 



.1 



.2 



.4 



.1 



1.3 



.7 



10.8 



6.8 



1.1 



9.5 



0300 





.6 



.8 



1.9 



3.6 



2.0 



8.1 



5.3 



1.1 



7.6 



0900 







.1 



.2 



1.2 



1.6 



9.7 



7.2 



1.9 



9.1 



0900 







.2 



3.2 



3.4 



2.1 



6 . 9 



7.7 



1.2 



6.3 



1200 









.1 



.7 



1.3 



11.9 



5.2 



1.6 



10.2 



1200 







.2 



1.1 



2.9 



2.3 



7.9 



8.6 



1.9 



6.1 



1500 











.9 



1.0 



10.3 



7.0 



2.1 



9.7 



1500 







.1 



1.2 



2.0 



2.0 



7.7 



7.9 



1.6 



8.5 



1800 







.3 





.7 



.4 



11.9 



5.6 



1.8 



10.3 



1800 







.3 



1.0 



1.9 



1.4 



7.9 



a . ' 



1.9 



8.6 



2100 





.1 



.1 



.2 



.7 



.9 



11.2 



5.4 



1.2 



11.2 



2100 





.1 



.4 



1.2 



2.1 



2.4 



8.0 



7.8 



1.7 



7.3 



Av. 



.0 



.1 



.1 



.1 



.9 



1.0 



11 . 



6.2 





10.0 



Av. 





.1 



.3 



1.6 



2.6 



2.0 



7.8 



7.6 



1.6 



7.4 



Ceiling in hundreds of feet 



day 







1-2 



3-4 



5-9 



10-19 20-29 



30-49 



50-95 



96-199 



Unlim. 



April 



0300 





0.1 



0.1 



1.3 



2.1 



1.6 



3.9 



4.4 



1.7 



14.8 



0900 



0.1 



.3 



.4 



1.4 



1.6 



1.2 



3.7 



4.9 



1.0 



15.4 



1200 



.1 





.1 



1.4 



2.7 



1.1 



2.1 



3.1 



2.1 



17.3 



1500 





.2 





1.1 



2.6 



1.7 



2.1 



2.9 



2.2 



17.2 



1800 







.1 



.9 



2.1 



2.0 



2.2 



3.9 



1.9 



16.9 



2100 







.1 



1.3 



2.1 



2.2 



2.5 



4.2 



1.6 



16.0 



Av. 



.0 



.1 



.1 



1.2 



2.2 



1.6 



2.8 



3.9 



1.8 



16.3 















Uay 











0300 



.1 



.5 



.8 



1.8 



1.7 



1.8 



2.8 



5.3 



1.4 



4 , 4 



0900 





.1 



.7 



2.8 



1.7 



1.8 



2.4 



3.9 



1.2 



16.4 



1200 





.2 



.3 



2.1 



1.7 



1.3 



1.8 



4.6 



1.9 



17.1 



1500 







.3 



1.1 



2.5 



1.0 



1.4 



4.4 



2.4 



17.9 



1800 





.2 



.2 



.8 



1.8 



1.4 



2.1 



4.0 



2.3 



18.2 



2100 





.6 



.1 



1.1 



1.8 



1.2 



2.0 



4.6 



1.6 



18.0 



Av. 



.0 



.3 



.4 



1.6 



1.9 



1.4 



2.1 



4.5 



1.8 



17.0 















June 











0300 





.8 



1.1 



2.1 



1.6 



1.0 



2.9 



5.3 



2 . 2' 



13.0 



0900 





.2 



1.6 



1.9 



2.6 



1.4 



3.1 



4.3 



2.4 



12.5 



1200 





.3 



.4 



2.0 



1.8 



1.6 



2.7 



3.7 



2.9 



14.6 



1500 





.4 



.8 



1.1 



1.0 



1.1 



2.2 



3.3 



4.0 



16.1 



1800 





.7 



.7 



.8 



.2 



1.4 



3.0 



4.2 



3.8 



15.2 



2100 





.8 



.8 



1.3 



.8 



.7 



2.2 



6.6 



2.4 



14.4 



Av. 





.5 



.9 



1.5 



1.3 



1.2 



2 . 7 



4.6 



3.0 



14.3 















July 











0300 



.1 



.7 



1.0 



2.9 





1.6 



4.1 



4.4 



4.0 



9.9 



0900 





1.1 



.7 



3.9 



3.7 



2.1 



2.6 



5.0 



2.4 



9.5 



1200 





.6 



.7 



2.4 



3.4 



2.2 



3.1 



3.8 



3.2 



11.6 



1500 





.3 



.8 



2.1 



1.6 



2.1 



3.1 



4.3 



4.1 



12.6 



1800 





.2 



.7 



1.7 



1.1 



1.9 



3.8 



6.0 



3.3 



12.3 



2100 





.2 



.7 



1.7 



2.1 



1.9 



3.3 



6.0 



3.3 



11.8 



Av. 



.0 



.5 



.8 



2.4 



2.4 



2 . 



3.3 



4.9 



3.4 



11.3 













August 











0300 





.3 



.7 



3.4 



4.2 



3.9 



5.2 



5.4 



1.6 



6.3 



0900 





.1 



.2 



5.0 



4.9 



2.9 



3.9 



6.2 



2.0 



5.8 



1200 







.1 



4.0 



5.2 



3.0 



3.6 



4.7 



2.8 



7.6 



1500 





.1 



.1 



2.3 



4.3 



3.9 



3.9 



5.7 



2.7 



8.0 



1800 





.2 



.2 



2.6 



2.9 



3.1 



5.0 



5.3 



3.3 



8.4 



2100 





.1 



.1 



3.1 



1.9 



4.0 



5.7 



6.9 



2.0 



7.2 



Av. 





.1 



.2 



3.4 



3.9 



3.5 



4.6 



5.7 



2.4 



7.2 



LAKE MIHCHUMINA 



vim-- 

 of 









Ceiling in 



hundreds 



of feet 









day 







1-2 



3-4 



5-9 10-1S 



20-2 9 



70 --I9 



70-97 



96-199 



Unlim. 



Apr- i 1 



0300 

 0900 

 1200 

 1500 

 1800 

 2100 





0.1 





0.2 0.6 

 .2 .7 

 .1 .7 

 .1 .1 

 .1 .1 

 .2 



1.2 

 1.7 

 1.3 

 1.4 

 1.2 

 1.2 



2.7 

 1.7 

 3.1 

 4.3 

 4.1 

 3.7 



6.4 

 4.8 

 4.2 

 4.3 

 5.8 

 4.8 



2.4 

 2.4 

 2.6 

 3.1 

 2.8 

 2.7 



16.4 

 18.5 

 18.0 

 16.7 

 15.9 

 17.4 



Av. 





.0 





.1 .4 



1.3 



May 



3.3 



5.0 



2.7 



17.2 



0300 

 0900 

 1200 

 1500 

 1800 

 2100 



- 







.2 .7 

 .4 .7 

 1.1 



.1 .6 

 .2 .2 

 .4 .4 



.9 

 1.0 

 1 . u 

 .9 

 .6 

 .6 



3.4 

 3.0 

 5.4 

 7.1 

 1.8 

 3.1 



8.7 



6.8 

 7.9 

 7.2 

 9.3 

 10.2 



2.7 

 2.7 

 3.3 

 3.3 

 3.0 

 2 . 4 



14.3 

 16.4 

 12.3 

 11.8 

 12.9 

 13.9 



Av. 









.2 .6 



.8 



June 



4.5 



3.4 



2.9 



13.6 



0300 

 0900 

 1200 

 1500 

 1800 

 2100 









.-; 



.4 1.4 

 .1 1.0 

 .1 .3 

 .1 .1 

 .2 



. 7 

 1.1 

 1.0 

 .7 

 .8 

 .4 



4.4 

 1.1 

 5.0 

 6.3 

 5.8 

 3.9 



8.8 

 7.9 

 7.9 

 9.9 

 10.6 

 11.6 



2.7 

 3.8 

 3.1 

 2.3 

 3.2 

 3.1 



12.7 

 12.3 

 11.9 

 10.4 

 9.4 

 10.8 



Av. 









.2 .6 



.8 



July 



4.9 



9.3 



3.0 



11.2 



0300 

 0900 

 1200 

 1500 

 1800 

 2100 



.2 



.2 



0.1 



1.3 1.2 

 1.1 1.9 

 .3 2.1 

 .2 1.9 

 .2 1.3 

 .2 1.6 



1.4 

 3.0 

 3.1 

 1.7 

 1.3 

 1.4 



5.4 

 4 . 1 

 5 . 

 6.8 

 6.2 

 5.5 



7.5 

 6 . 

 7.0 

 7.0 

 7.9 

 8.2 



2.0 

 2.3 

 1.7 

 1.6 

 2.0 

 2.7 



1! .7 

 12.0 

 11.2 

 11.8 

 12.1 

 11.4 



Av. 



.0 



.0 



.0 



.6 1.7 



7 . 



5.6 



7.4 



2.0 



11.7 











August 











0300 

 0900 

 1200 

 1500 

 1800 

 2100 



.1 





.1 

 .1 



.1 



1.0 1.8 

 1.9 3.0 

 .8 2.7 

 .3 2.2 

 .4 1.0 

 .2 1.2 



2.0 

 2.1 

 2.3 

 2.6 

 2.2 

 2.3 



5.1 

 4.3 

 6.2 

 6.1 

 7.8 

 6.3 



10.3 

 7.7 

 7.1 

 S . 2 

 9.1 



10.0 



1.2 

 2.8 

 3.2 

 2.7 

 2.0 

 2.4 



9.4 

 9.1 

 8.7 

 8.9 

 8.5 

 8.7 



Av. 



.0 





.1 



.7 2.0 



2.2 



6.0 



8.7 



2.4 



8.9 



135 



