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09 



Duststorm or sand 

 storm within sight of or 

 at station during past 

 hour. 



19 



Funnel cloud(s) with 

 in sight during past 

 hour. 



29 



Thunderstorm (with 



tion) during past hour, 

 but NOT at time ot 

 observation. 



oh 



1 



MS 



Oil 



•^11 



oil 

 in^i 



E 



69 



Ram or drizzle and 

 heavy. 





89 



Slight shower(s) of 

 hail, with or without 

 ram or ram and snow 

 mixed, not associated 



99 



Heavy thunderstorm 

 observation. 



08 



Well developed dust 

 devil(s) within past 

 hour. 



00 |i 



28 



Fog during past hour, 

 but NOT at time of 



38 



Slight or moderate 

 drifting snow, generally 

 high. 



1 

 00 p 



ooi 

 in^ 



ool 



tOsf 



78 



Isolated starlike snow 

 crystals (with or without 

 fog). 



88 



tVloderale or heavy 

 shower(s) of soft or 

 small hail with or with- 

 out ram or ram and 

 snow mixed 



98 



Thunderstorm com- 

 bined with duststorm 

 or sandstorm at time of 

 observation. 



07 



Dust or sand raised 

 by wind, at time of 



17 



Thunder heard, but 

 no precipitation at the 

 station. 



27 



Showers of hail, or of 

 hail and ram, during 

 past hour, but NOT at 

 time of observation. 





47 



Fog. sky NOT discern- 

 ible, has begun or be- 

 past hour. 



in If 



5 s 



5 J 



i 



87 



Slight shower(s) of 

 soft or small hail with or 

 without rain or rain and 



97 



Heavy thunderstorm, 

 without hail, but with 

 ram and/or snow at 

 time of observation. 



06 



Widespread dust in 

 suspension m the air. 

 NOT raised by wind, at 

 time of observation. 



16 



Precipitation within 

 sight, reaching the 

 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, 



thicker during past 

 hour. 



inj 





i 



1 



00 ll 



ll 



96 



Slight or moderate 

 thunderstorm, with hail 

 at time of observation. 



ins 



OS 



15 



Precipitation within 

 sight, reaching the 

 ground, but distant 

 from station 



25 



Showers of ram dur 

 ing past hour, but NOT 

 at time of observation. 



35 



Severe duststorm or 



creased during past 



hour. 



45 



Fog, sky NOT discern- 

 ible no appreciable 

 change during past 

 hour. 



55 



Continuous drizzle 

 (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. 



1 



inf 

 col 



95 



Slight or mod. thun- 

 derstorm without hail, 

 but with ram and/or 



observation. 



^1 

 0| 



14 



Precipitation within 

 sight, but NOT reaching 



the ground 



24 



freezing rain (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. 



64 



Intermittent rain 

 (NOT freezing), heavy 

 at time of observation. 



74 ^^ ^ 



snowflakes, heavy at 

 time of observation. 



84 



Moderate or heavy 

 shower(s) of rain and 

 snow mixed. 



94 



Mod. or heavy snow, 



or hail at time of ob.; 

 thunderstorm during 

 past hour, but NOT at 

 time of observation. 



03 



Clouds generally 

 forming or developing 

 during past hour. 



2-1 



23 



Ram and snow (NOT 

 falling as showers) dur- 

 ing 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 



Continuous drizzle 

 (NOT freezing), moder- 

 ate at time of ob. 



63 



Continuous ram (NOT 

 freezing), moderate at 

 time of observation. 



^^f,i f 



snowflakes, moderate 

 at time of observation. 



coil 



00:1 



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 of sky on the 

 whole unchanged dur- 

 ing 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, 

 has become thinner 

 during past hour. 



52 



Intermittent drizzle 

 (NOT freezing) moder- 

 ate at time of ob. 



62 



Intermittent rain 

 (NOT freezing), mod 

 erate at time of ob. 



72 



Intermittent fall of 

 snowflakes. moderate 

 at time of observation. 



c\ii 



00| 



92 



Moderate or heavy 

 rain at time of ob.; 

 thunderstorm during 

 past hour, but NOT at 

 time of observation. 



Ol 



Clouds generally dis- 

 solving or becoming 

 less developed during 

 past hour. 



11 



Patches of shallow 

 fog at station. NOT 

 deeper than 6 feet on 

 land. 



21 



Ram (NOT freezing 

 andNOTfalling as 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 



Continuous drizzle 

 (NOT freezing) slight at 

 time of observation. 



61 



Continuous rain (NOT 

 freezing), slight at time 

 of observation. 



71 



Continuous fall of 

 snowflakes. slight at 

 time of observation. 



Is 



91 



Slight rain at time of 

 ob.; thunderstorm dur- 

 ing past hour, but NOT 

 at time of observation. 



OO 



Cloud de/elopmeht 

 NOT observed or NOT 

 observable during past 

 hour. 



o{ 



20 



Drizzle (NOT freezing 

 andNOTfalling as 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. 



of 

 00! 



90 



Moderate or heavy 

 Shower(s) of hail, with or 



snow mixed, not asso 

 ciated with thunder. 



70 



