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



Uz2?A~n KftKHSK ::CF.7H~A7 











































of 



0- 



3/16 



1/2- 



1 - 



3 - 





of 



0- 



3/16 





1 - 



3 - 





of 





3/16 1/2- 



X - 



3 - 





da? 



1/6 



-3/8 



3/4 



2-1/2 



6 



7+ 



day 



1/8 



-3/8 



' - 



2-1 2 



£ 



7+ 



day 



1/8 



-3/6 2 4 



2-1 2 



6 



7+ 























^-T 1 "- 













-r ~ '^T" 









3300 









C- 5 



_ — 



0-o 







0-2 



0.2 





- 



— P~P 







- _ ■ 



0- 0.1 



=- 



0- f 



_ „ 





0900 







*?■ 









nonn 







O 



1.2 



PP 

 2.2 



26. o 



0900 





* 







PR C 



T^nn 







*7" 



"fi 



t""i 



PR P 



npnn 











1.8 



27.1 



T^nn 







7 



• 



PR R 









" 





in 



OP 9 



T=nn 







'Z, 

 .2 





1.2 



27.2 











• 



2° 



1800 









3 



* 





PPP 



Tflnn 







' " 



14 



.6 



27.8 



1800 



* 





* 





29.2 



2" 1 00 











i \ 



28*1 



2100 









11 





-£'7.1 



2" 1 00 









9 





Av. 







. i 



.6 



1.0 



23.3 



Av. 





.1 





1.1 



1.7 



26.8 



A v . 







.6 



.5 



28.8 









— y 















— ^~ 











— 











. r _ . 



0-1 



0-1 





— 



— 





~z — — " 





7~ 



* ° 



.7 



2.0 



26.4 







: — 





— — — 

 1.0 



— — — 



29.2 















"win 



nonn 









. 3 



1.0 



29 .7 







1 

 * - 



l 



*~ 





29.6 















*rv o 



1200 









. 3 



. 9 



29 .8 



nn 







.1 



* 



30. 6 



1500 











'. 



fr*_ 













. 6 



30 . 4 



T500 







*^ 





^n"o 



1800 















Tftnn 



*^ 











30. 5 



i 800 







" 







2100 













30*7 



2100 











. E 



29. 7 



2100 











306 



Ay. 









.1 



.5 



7 : . 4 



Av. 



.1 



.1 



.1 



. 3 



1.0 



29.4 



Av. 







.2 





30.3 









— ■ une — 



— 













June 













. tj^Bl — 













1 — 



' 1 



.0 



— — — 





— -■ 



— 



— 



.8 



. 9 



1.6 



2.8 



23.0 



_ _ _ _ 











ff c 















28 . o 



0900 









. 3 



1.4 



28.3 











"ft 



PQ 7 













Q 



29.1 



1200 









■- 



1.0 



28.9 



1200 











pq'a 



77 











'ft 





15 «« 











1.0 



28.8 



1 500 





■ 





* ~ 



Pq'I 



T«nn 











"ft 



29.2 



1800 









.2 



. 9 



28 .9 











* 



PQ" 



2100 











8 



29 . 



71 - - 











1 . 3 



28 . 1 



2100 











29*2 



Av . 









i 



9 



P9 3 



Av. 



,1 



.1 



.2 



.5 



1.4 



27.7 



Av . 









.6 



29. 3 





— 





Ju ^ y ■ ■ 















~ - - ; 













— 









Q500 



* 



=— 





— nr 



I" 



.- 





— 



1.6 



1.6 



1.2 



2.3 



3.4 



20 . 9 



" J " 







— - 



— 





0900 









in 





PR 7 



nonn 









.8 



3.0 



27.2 



0900 









"_ 



PQ- 











* _ 





90 1 



ipnn 











1 . 9 



28 . 8 



1200 





1 



■ * 



... 



oq"~ 



1500 











1 A 



pq" n 



T-nn 











1.2 



29. 4 



i 500 







■ 





pq' ° 

 *7 



1800 









•* 





pq" n 



" - : - 











1 . 6 



29.0 



1800 









K 





2100 











■ g 



29*4 



2100 









-| 



1 . : 



2 ~ . : 



2100 











29*8 



Av. 





~i — 



-3 



.6 



1.2 



28 .8 



Av . 



= — 



— 



_2 



. 9 



2 . 1 











hr- 



.8 



29.5 









August 















k j — _: £ : 





















0300 





.1 



.2 



1.1 



2.4 



27.2 



0300 





1.0 



1.3 



2.2 



4.8 



20.9 







.2 .5 







7: .~ 



0900 







.1 



j 9 



2.1 



27.9 



0900 







.1 



2.0 



3.7 



25.2 



0900 











29.4 



1200 









.1 



1.7 



29.2 



1200 









1.3 



1.9 



27.8 



1200 







.2 



.6 



30.2 



1500 









.2 



1.3 



29.5 



1500 









1.3 



2.2 



27.5 



1500 









.8 



30.2 



1800 











1.7 



29.0 



1800 







. 3 



.8 



2.1 



27.8 



1800 







.1 



.5 



30.4 



2100 









.9 



1.6 



28.5 



2100 





.1 





1.3 



2.6 



26.7 



2100 











30.2 



Av. 









.6 



1.8 



; . - 



Av. 









1.5 



2.9 



26.0 



Av. 







.2 



.8 



i :■ . z 



7i~e Vlflzill'y in -lies 



of 



0- 



3/16 



1/2- 



1 - 







day 



1/8 



-3/8 



3/4 



2-1/2 



6 



7+ 



April 



0300 







0-2 



1.6 



1.6 



26.6 



0900 









.6 



1.1 



28.3 



1200 









.8 



1.0 



28.2 



1500 





0.1 



.1 



.9 



1.1 



27.8 



1B00 







.2 





1.4 



28.0 



2100 







.1 





2.3 



27. 3 



Av. 







, x 



.8 



1.4 



27.7 



ta::a::a 



Time 



Visibilits 



Ln 



miles 







of 0- 



3/16 1/2- 



1 









daj 1/8 



-3/8 3/4 



2- 



1/2 



6 



7+ 



April 



0300 







0.3 1 



. 1 



28.5 



0900 



0.1 





. 3 



.8 



28.8 



1200 



. i 





.2 1 



.0 



28.7 



1500 







.1 1 





27.9 



1800 











29.6 



2100 







.1 





29 . 5 



Av. 







.2 



.1 



29.0 



'J7JALAKIE3T 



Tine 





Visa 







es 





of 



0- 



1 11 



.1/2- 



1 - 







day 



1/8 



-3/8 



3/4 



2-1/2 







April 



13 11 



0.1 



0.4 



0-4 



1.1 



0.9 





0900 



.1 



. 3 







1.2 



27.3 



1200 



.1 







. 6 



.5 



28.3 



1500 







.2 





.9 



28.3 



1800 





.1 



.1 



1.0 



. 3 



28.3 



2100 





.4 



. A 



. 3 



1.1 



2" 9 



Av . 





.2 



.2 



. 1 



.8 



27.9 



May May May 



0300 0.1 



.1 .6 



1.4 



1 





27.4 



0300 0.1 





. 3 



. 4 



50 



1 



0300 







. 6 



1.0 



_ 



1 



2S.2 



0900 



.1 



.8 



1 







29.1 



0900 





.1 



.8 



30 



'X 



0900 









1.3 



1 



1 



28.4 



1200 



.1 



.7 





7 



29.5 



1200 







.7 



30 



3 



1200 







.1 







1 



29.9 



1500 





.9 







29.8 



1500 





.1 



.2 



30 



7 



1500 





.2 





.6 





3 



29.7 



1800 



.2 



.4 





8 



29.6 



1800 





.1 



.3 



30 



6 



1800 



. 3 



.2 



.2 



.1 





6 



29.6 



2100 



. 3 



. 3 



1 



1 



29.3 



2100 





.1 



. 3 



30 



6 



2100 





.2 











29.6 



Av. 



.2 









29.1 



Av. 









30 



4 



Av. 



.1 



.2 



.2 







6 



29.2 





J jne 













June 

















June 











0300 



.2 



. o 





6 



28.3 



0300 



.1 



.2 



1.4 



= 1 





1:11 



.2 



.3 



. 3 



1.0 





1 



27.2 



0900 



.1 









29.6 



0900 



.1 



.1 



1.7 



28 



1 



0900 



.1 



.1 



.1 



.8 





7 



26.2 



1200 



.1 







1 



29.8 



1200 





.2 



1.2 



21 



6 



1200 



.1 







.9 





6 



28.1 



1500 









4 



29.6 



1500 







.7 



21 



9 



1500 



.1 



.1 



.2 







7 



28.6 



1800 











29.4 



1800 



.1 



.1 



.9 



28 



9 



1800 





.1 



.2 



.9 





1 



28.7 



2100 











29.1 



2100 



.1 



.1 



.6 



28 







2100 



.2 



.1 



.2 



.7 







2S.1 



Av. 





.2 







29.3 



Av. 



.1 



.2 



1.1 



28 





Av. 









. a 







21 .2 



July uly July 



0300 



.1 



.9 



.6 



1.3 



2 . 1 



25.2 



0300 



.1 





.1 



1.2 



1.3 



21 





0300 





.1 





.9 





3 



29.7 



0900 









.1 



1.1 



29.8 



0900 







. 4 



.9 



2.2 



27 



5 



0900 









.8 





6 



28.6 



1200 











.9 



30.1 



1200 







.4 



.7 



2.1 



27 



S 



1200 









.8 



1 





28.8 



1500 









.1 



.7 



30.2 



1500 







. 3 



.9 



.9 



28 



9 



1500 



.1 



.1 





6 





9 



29.3 



1800 









.2 



1.3 



29.5 



1800 









. 6 



1.7 



28 



4 



1800 



.2 



.1 





.6 





6 



29.5 



2111 





.1 







1.6 



28.9 



2100 







.2 



.6 



1.6 



21 



6 



2100 





.2 





7 





1 



29.3 



Av. 





.2 



.1 



.4 



1.4 



26.9 



Av. 







. 3 



.a 



1.6 



2z 



3 



Av. 



.1 



.1 





7 







29.3 























AURUSt 















August 













1111 



.2 







1.2 



2.1 



11.1 



0300 



.2 



0.1 





.8 



1.9 



2" 





0300 







1 



1 



1 



4 



25. 2 



0900 









.2 



1.1 



29.6 



0900 





.1 



.2 



.7 



2.6 



27 





0900 







1 



6 



1 



3 



28.0 



1200 



. l 







.2 



.9 



29.8 



1200 







.1 



.6 



1.4 



21 



9 



1200 









8 



1 







29.2 



1500 











1.1 



29.9 



1500 









.2 



1.4 



29 



4 



1500 



.1 



.1 





6 



1 



2 



29.0 



1800 







.1 



.2 



1.1 



29.6 



1600 











.3 



30 



7 



1800 





.1 





9 



1 





28.7 



2100 











2.2 



23.2 



2100 









.1 



1.3 



29 



6 



2111 





.1 .2 



1 





1 







25.4 



Av. 



.1 





.1 







29.0 









.1 





1.5 



29 







Av. 









1 



1 



2 



28.6 



If Minor data discrepancy 



Source: United States Weather 3ureau coded data. 



132 



