Table 30. — Visibility distance by hour of day, and number of days per month in each distance class 



;.-.v. 1350-5B) 



a: ? . - a :. 











BETHEL 





















Time 



Visibility 



in -.11 



s 







Visibility 



1 r - : 2 







Time 



Visibility 



in mil 



■ 





of 0- 



3/16 1/2- 



I - 



3 - 





of 0- 



3/16 1/2- 



1 _ 



3 - 





of 0- 



3/16 1/2- 



i _ 



3 - 





day 1/8 



-3/6 3/4 



2-1/2 



6 



7- 



day 1/3 



-3/8 3/4 



2-1/2 



6 



7+ 



day 1/8 



-3/8 3/4 



2-1/2 



5 



7+ 

































0300 



0.1 0.1 



0.8 



0.7 



28.3 



0300 



o.: 



1.7 



3.1 



25.0 



0300 



0.4 



0.8 



1.1 



27.7 



0900 



.2 



.2 



1.2 



28.4, 



0900 



0.1 .2 



1.3 



2.4 



26.0 



0900 



.2 



.8 



1.0 



28.0 



1200 



.1 



.3 



1.0 



28.6 



1200 



.2 



.8 



1.6 



27.4 



1200 



0.1 .1 



.2 





28.2 



1500 





.4 



1.0 



28.6 



1500 



.2 



.9 



2.1 



26.8 



1500 



.1 .2 



.3 



1.1 



28.3 



1B00 





.5 



.4 



28.8 



1800 



.2 



1.2 



1.4 



27.2 



1800 



.2 



1.0 



.9 



27.9 



2100 





.3 



. 4 



29.3 



2100 



.2 .3 



.9 



2.1 



26.5 



2100 





.7 



.8 



23.5 



Av. 



.1 



.5 



.8 



28.6 



Av. 



.1 .2 



1.1 



2.1 



26.5 



Av. 



.2 



.6 



1.1 



28.1 















May 











May 









0300 







. i 



30.8 



0300 0. 3 



.4 .2 



.6 



.9 



26.6 



0300 0.1 



.3 



.5 



.3 



29.6 



0900 



.1 







30.9 



0900 



.1 



.6 



1.3 



29.0 



0900 



,2 



.3 



.7 



29.8 



1200 









31.0 



1200 





.2 



.7 



30.1 



1200 



_ 1 



.2 



_2 



30.5 



1500 









31.0 



1500 





.3 



.7 



30.0 



1500 





. 3 



_T 



30.6 



1800 







.1 



30.9 



1S00 



.1 





_ a 



30.5 



1S00 



.1 



.2 



.1 



30.6 



2100 







.2 



30.8 



222: 



.1 



t \ 



. 6 



30.2 



2100 



• 1 



.2 



.1 



30.6 



Av. 







.1 



30.9 



Av. .1 



.1 .1 



. 3 





2S.7 



Av. 



■1 



. 3 



.3 



30.3 

























Jun° 









0300 0.1 



.2 





_ 9 



28. 8 



0302 .2 



.7 .7 



.4 



1.7 



26.3 



0300 







1.6 



28.4 



0900 







.5 



29.2 



0900 





1.0 



1.9 



27.1 



0900 





.X 



1.3 



28.6 



1200 







.3 



29.7 



1200 





, 4 



.S 



28.8 



1200 





.2 



.7 



29.1 



1500 





.2 



.1 



29.7 



1500 





.2 



.7 



29.1 



1500 



.1 



. i 



.8 



29.0 



1800 







.2 



29.8 



1800 







.8 



29.2 



1800 







.4 



29.6 



2100 







.4 



29.6 



2100 





.2 



.4 



29.4 



2100 







.9 



29.0 



Av. 







. 5 



29.5 



Av. 



.1 .1 



. 4 



1.1 



28.3 



Av. 





■ 1 



1.0 



22.2 

























July 









0300 .1 



.1 



. 3 



1.7 



28. B 



0300 .1 



.3 .7 



2.1 



3.3 



24.5 



0300 .2 



.2 .2 



1.6 



A. 2 



27.7 



0900 





.4 



1.2 



29.4 



0900 



.1 



2.1 



2.7 



26.1 



0900 



. i 



1.0 



1.9 



27.7 



1200 





.3 



1.3 



29.4 



1200 





.9 



2.0 



28.1 



1200 



.1 .2 



.3 



2.3 



28.1 



1500 



.2 





1.0 



29.8 



1500 





.8 



1.6 



28.6 



1500 



.2 



.7 



1.7 



28.4 



1800 



.2 



.2 



.8 



29.8 



1800 





.7 



1.9 



28.4 



1800 



.2 



-4 



2.0 



28.4 



2100 .1 





. 3 



1.6 



29.0 



2100 





1.1 



1.7 



28.2 



2100 



. 3 



. 6 



2.3 



27.8 



Av. 



.1 



.2 



1.3 



29.4 



Av. 



.1 .1 



1.3 



2.2 



2 _ .i 



Av. 



.2 



.3 



1.9 



28.0 





August 











August 











A Jfrust 









0300 . 3 



.2 





1.0 





0300 . 3 





1 . 9 







0300 .2 



.3 .3 



1.0 





2 : .3 



0900 







1.2 



29.4 



0900 



.2 



4.4 



3.6 



22.8 



0900 .1 



.2 



1.4 



2.8 



26.5 



1200 





.1 



.8 



30.1 



1200 





1.6 



4.2 



25.2 



1200 



.1 



.7 



2.0 



28.2 



1500 







.7 



30.3 



1500 





.9 



3.8 



26.3 



1500 





.7 



2.1 



28.2 



1800 



.1 



.1 



_ A 



30.4 



1800 





1.6 



2.7 



26.7 



1800 



.2 



. 6 



1.6 



28.6 



2100 







1.2 



29. 8 



2100 



.1 



1.9 



5 . 4 



if . 6 



2100 





.6 



2. : 



2S.2 



Av. .1 



.1 



.1 



.9 



29.8 



Av. .1 



.1 .2 



2.0 





24.9 



Av. .1 



.1 .1 



. 2 



2 . 2 



27.6 



BIG DiL~A 











;AIR2A1IKS 











FT. YUKON 











Till; 



Visibility 



in mil 



-s 





Time 



Visibility 



in r.ile 



- 





Time 



Visibility 



in <ril= 



s 





of 0- 



3/16 1/2- 



1 - 



3 - 





of 0- 



3/16 1/2- 



1 - 



3 - 





of 



; 2; 2 2- 



1 - 



5 - 





i»y l/e 



-3/8 3/4 



2-1/2 



6 



7+ 



day 1/8 



-3/8 3/4 



2-1/2 



8 



7+ 



day 1/8 



-3/3 ' 3/4 



2-1/2 





7+ 





P 











.-. f n _ 



















0300 





0.7 



0-7 



i ; 



0300 



0.1 





1.3 



23.6 



0300 



0.2 



C . 9 



0.6 



27.3 



0900 





.6 



1.4 



28.0 



0900 





0-1 



1.2 



28.7 



0900 





.6 





28.7 



1200 





, 4 



. 4 



29.2 



1200 





.1 



.4 



29.5 



1200 





.4 



1.0 



28.6 



1500 





. 3 



.3 



29.4 



1500 







.2 



29.8 



1500 





.4 



.7 



28.9 



1800 





. 6 



.2 



29.2 



1800 





.1 



2 



29.7 



ieooi/ 





. 5 



.6 



27.9 



2100 



0.1 



.3 



.5 



29.0 



21. : 





. 1 



.4 



29.5 



i: 



0.1 





_ g 



27.3 



Av. 





. 5 



.6 



23.9 



Av. 





.1 



.6 



29.3 



Av. 





. : 



.8 



25.1 





May 





























0300 





.4 



.: 



30.5 



330C 



.1 0.1 



* 









0300 





. 5 



.7 



30.0 



0900 





.3 





30.7 



0900 





.2 



.4 



30.4 



0900 





.6 



.7 



28.7 



1200 







.1 



30.7 



1200 







. 4 



30.6 



1200 





.1 



.6 



30.3 



15001/ 





.1 



.1 



30.4 



1500 







.3 



30.7 



1500 





.1 



.5 



30.6 



1800 





.2 





30.8 



1800 







.4 



30.6 



lBOOl' 







.4 



30.1 



2100 





. 3 



.2 



30.5 



2100 







.2 



30.8 



22. : 





.4 



.7 



29.9 



Av. 





.3 



. 1 



30.6 



Av. 





.1 



. 3 



30.6 



Av. 





.3 



.6 



29.9 





June 











June 











June 









0300 



0.1 





.4 



29.5 



0300 







.9 



29.0 



: 





.1 



. ! 



29.1 



0900 





.2 



.8 



29.0 



0900 







.7 



29.3 



0900 



.1 





1.2 



28.7 



1200 







.3 



29.2 



1200 



.1 





. 3 



29.6 



1200 







.9 



29.1 



1500 





.1 



.8 



29.1 



1500 





.1 



.3 



29.6 



1500 







1.0 



29.0 



1800 







.3 



29.7 



1800 







.9 



29.1 



1800 







1.4 



28.6 



2100 0.1 







.2 



29.7 



2100 





.2 



1.0 



23.8 



2100 





.1 



1.2 



26.7 



Av. 





.1 



.5 



29.4 



Av. 





. 1 



.7 



2=2 



Av. 







1.1 



28.9 

































0300 .1 



.1 



.7 



1.6 



26.5 



0300 0.4 



.3 .4 



.9 



2.1 



26.9 



• : a 



.4 .3 



. 6 



1.3 



28.3 



0900 





.4 



.9 



29.7 



0900 



.1 .2 



.9 



1.8 



28.0 



0900 



.3 .3 



.6 



2.0 



27.8 



1200 





.2 



.9 



29.9 



1200 



.1 .3 



.2 



1.0 



29.4 



1200 .1 



.2 .3 



.7 



1.6 



28.1 



1500 



.1 





.8 



30.1 



1500 .1 



, i 



.4 



1.7 



28.7 



1500 .1 



.1 .2 



.9 



2.1 



27.6 



1800 





.3 



1.1 



29.6 



1800 



.2 



.2 



1.3 



29.3 



1800 



.2 .2 



.2 



1.7 



28.7 



2100 





.6 



1.0 



29.4 



2100 



.2 



.2 



1.8 



28. a 





.1 .6 



.7 



1.3 



2B.3 



Av. 





.4 



1.1 



29.5 



Av. .1 



.1 .2 



. 5 



1.6 



28.5 



Av. . 1 



.2 .3 



.6 



1.7 



28.1 





August 











August 











August 









330C 









29.9 



0300 .2 





1.3 



2.1 



26.9 



0300 . 1 



.2 .1 



.6 



1.6 



28.4 



0900 



.1 .1 





1.7 



29.1 



0900 



.1 .8 



1.1 



1.6 



27.4 



0900 



.1 



.7 



2.6 



27.6 



1200 







.3 



30.6 



1200 



. 3 





1.3 



29.1 



1200 



.1 .1 



. 5 



1.6 



28.9 



1500 







.7 



30.2 



1500 



.1 



.3 



.9 



29.7 



1500 





.4 



1.3 



29.3 



1800 



.1 





. 3 



30.6 



1800 



.1 



_2 



1.0 



29.7 



1800 





.1 



.6 



30.3 



2100 







.8 



30.1 



a;:: 



, 1 



. 3 



.8 



29.8 



2100 . 1 



.2 



.2 



1.4 



2 = .A 



Av. 











Av. 







1.3 



28.8 



Av. 



.1 







28 . 9 



See footnote at end of table. 



130 



