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09 



Duststortn or sand 

 storm withm sight of or 

 at station during past 

 hour 



19 



Funnel cloud(s) with 

 in sight during past 

 hour 



Th F-? 



tion) during past hour, 

 but NOT at time of 

 observation. 



i 



oh 

 en ll 



i 



0)11 



^11 



0)11 



in-:| 



n 



Ran^d^le 



heavy. 



o)i? 



89 



Slight shower(s) of 

 hail, with or without 

 ram or ram and snow 

 mixed, not associated 

 with thunder 



99 



Heavy thunderstorm 

 observation, 



08 



Well developed dust 

 devil(s) within past 

 hour. 



00 Ij 



28 



Fog during past hour, 

 but NOT at time ot 

 observation. 



SI ht^® de te 



drifting snow, generally 

 high. 



1 

 00 ll 



00! 



in-^ 



00 1 

 CD si 



78 



Isolated starlike snow 

 crystals (with or without 

 fog). 



88 



Moderate or heavy 



small hail with or with- 

 out rain or rain and 

 snow mixed. 



98 



Thunderstorm com 

 bined with duststorm 

 or sandstorm at time of 

 observation. 



07 



Dust or sand raised 

 observation. 



17 



Thunder heard, but 

 no precipitation at the 

 station 



27 



Showers of hail, or ol 



past hour, but NOT at 

 time ol observation. 



coti 



47 



Fog. sky NOT discern- 

 ible, has begun or be- 

 past hour. 



in II 



5 s 



i 



87 



Slight shower(s) of 

 soft or small hail with or 

 without ram or ram and 

 snow mixed. 



97 



Heavy thunderstorm, 

 without hail, but with 

 ram and/or snow at 

 time of observation. 



06 



Widespread dust m 

 suspension m the air. 

 NOT raised by wihd, at 

 time of observation. 



16 



ground, near to but 

 NOT at station, 



26 



Showers of snow, or 

 of ram and snow, during 

 past hour, but NOT at 

 time of observation. 



36 



Slight or moderate 

 drifting snow, generally 

 low. 



46 



Fog. sky discernible, 

 has begun or become 

 thicker during past 

 hour. 



inj 



^1 



i 



1 



CD°? 



ooy 



1 1 



, ht^^d 



thunderstorm, with hail 

 at time of observation. 



ins 



05 



15 



sight, reaching the 

 from station. 



25 



Showers of ram dur- 

 ing past hour, but NOT 

 at time of observation. 



35 



Severe duststorm or 

 sandstorm, has in 

 creased during past 

 hour. 



45 



Fog, sky NOT discern 

 Ible no appreciable 

 change during past 

 hour. 



C t^^d 



(NOT freezing), thick 

 at time of observation. 



65 



Continuous rain (NOT 

 freezing), heavy at time 

 of observation. 



75 



Continuous fall of 

 snowflakes. heavy at 

 time of observation. 



inj 



95 



Slight or mod, thun- 

 derstorm without hail, 

 but with rain and/or 



observation. 



^1 

 Of 



> i 



14 



Precipitation within 

 sight, but NOT reaching 

 the ground. 



24 



freezing ram (NOT fall 

 ing as showers) during 

 past hour, but NOT at 

 time of observation. 



34 



Severe duststorm or 

 sandstorm, no appreci- 

 able change during past 



hour. 



44 



Fog, sky discernible, 

 no appreciable change 

 during past hour 



54 



Intermittent drizzle 

 (NOT freezing), thick 

 at time of observation. 



1 , ^tf t 



(NOT freezing), heavy 

 at time of observation. 



74 



Intermittent fallof 

 snowflakes, heavy at 

 time ol observation. 



84 



Moderate or heavy 

 shower(s) of rain and 

 snow mixed. 



94 



Mod. or heavy snow, 

 or ram and snow mixed 

 or hail at time of ob,; 

 thunderstorm during 

 past hour, but NOT at 

 time of observation. 



d^^neall 

 forming or developing 

 during past hour. 



^y 



23 



Ram and snow (NOT 

 falling as showers) dur 

 mg past hour, but NOT 

 at time of observation. 



33 



Severe duststorm or 

 sandstorm, has de 

 creased during past 



hour. 



43 



Fog, sky NOT discern- 

 ible, has become thin- 

 ner during past hour. 



53 



(NOT freezing), moder 

 ate at time of ob. 



63 



Continuous ram (NOT 

 freezing), moderate at 

 time ol observation. 



73 



Continuous fall of 

 snowflakes, moderate 

 at time of observation. 



cnf! 



93 



Slight snow or rain 

 and snow mixed or hail 

 at time of observation.; 

 thunderstorm during 

 past hour, but not at 

 time of observations. 



02 



State ot sky on the 



whole unchanged dur 

 mg past hour. 



12 



More or less contin- 

 uous shallow fog at sta 

 tion. NOT deeper than 6 

 feet on land. 



22 



Snow (NOT falling as 

 showers) during past 

 hour, but NOT at time 

 of observation. 



32 



Slight or moderate 

 duststorm or sandstorm 

 has increased during 

 past hour. 



42 



Fog. sky discernible, 

 during past hour. 



52 



Intermittent drizzle 

 (NOT freezing) moder 

 ate at time of ob. 



62 



Intermittent ram 

 (NOT freezing), mod- 

 erate at time ol ob. 



72 



Intermittent fall ol 

 snowflakes, moderate 

 at time of observation. 



CMi 

 00| 



92 



Moderate or heavy 

 ram at time of ob,: 

 thunderstorm during 

 past hour, but NOT at 

 time of observation. 



01 



Clouds generally dis- 



less developed during 

 past hour. 



11 



Patches of shallow 

 log at station, NOT 

 deeper than 6 feet on 

 land. 



21 



Ram (NOT freezing 

 andNOTfallingas show- 

 ers) during past hour, 

 but NOT at time of ob. 



31 



Slight or moderate 

 duststorm or sandstorm 

 no appreciable change 

 during past hour. 



^! 



51 



(NOT freezing) slight at 

 time of observation. 



61 



Continuous ram (NOT 

 Ireezmg), slight at time 

 of observation. 



71 



Continuous fall of 

 snowflakes, slight at 

 time of observation. 



5|| 



S E 



91 



Slight ram at time of 

 ob.; thunderstorm dur- 

 ing past hour, but NOT 

 at time of observation. 



00 



Cloud development 

 NOT observed or NOT 

 observable during past 

 hour 



of 



20 



Drizzle (NOT freezing 

 andNOTfallingas show- 

 ers) during past hour, 

 but NOT at time of ob. 



30 



Slight or moderate 

 duststorm or sandstorm 

 has decreased during 

 past hour. 



40 



Fog at distance at 

 time of observation, but 

 NOT at station during 

 past hour. 



50 



Intermittent drizzle 

 (NOT freezing) slight at 

 time of observation. 



60 



Intermittent rain 

 (NOT freezing), slight 

 at time of observation. 



70 



Intermittent fall of 

 snowflakes, slight at 

 time of observation. 



1 



Of 

 00s 



90 



Moderate or heavy 

 shower(s)of hail, with or 

 without ram or rain and 

 snow mixed, not asso- 

 ciated with thunder. 



52 



