. The climate and weather of Baltimore . -, March, July, and having a total daily wind movement of less than 100 milesper day were placed in one group; another group contained days with atotal daily wind movement between 200 miles and 300 miles; still an-other group comprised winter and summer days with a wind movementexceeding 400 miles per day. The average hourly temperature was thendetej-mined for each group separately and a comparison made between theresulting temperatures. In each case the diurnal range of temperature isseen to Ije markedly lower with increase in wind moveme
. The climate and weather of Baltimore . -, March, July, and having a total daily wind movement of less than 100 milesper day were placed in one group; another group contained days with atotal daily wind movement between 200 miles and 300 miles; still an-other group comprised winter and summer days with a wind movementexceeding 400 miles per day. The average hourly temperature was thendetej-mined for each group separately and a comparison made between theresulting temperatures. In each case the diurnal range of temperature isseen to Ije markedly lower with increase in wind movement. In thefollowing tabular statement tlio total daily range for eacli conditionmentioned above is given, while in the suceeedins: table the hourly MARYLAND WEATHER SERVICE 3 6 9 Noon 3 6 9 Md -5>- 7 r -; - --s t ^ ^^ ^^ -t ^-t s ^ t ^ T S ^s-P^ ^ Z lb-- ^^ - ^*->^ -J^ ^^ ^s s / ^>. ^, y \ - ^^^_ ^^ ^i 3 6 9 Noon 3 6 9 Mot. 3 6 9 Noon 3 6 9 Mo — __ __ ._ ^ 1 1 1 ?? - :t-— , - ?? T TUF— T X 1 1 , ^ ,ril ^s. _i_ 1 ? -^+- -- ^ t ^. T it /I 1 \. T ^ it 1/ X ^-p-^, ? 1 .^ - ^^^ -t- ~-^^— ^^^ it ^^ - -^ - * —— — —-^ -^ ^ 1 \/i- N \ S / 1^ ^ ^ ] 1 _ _^ _j ^ _ _ — 1 1 3 6 9 Noon 3 ; I ->. » N it ^ it i 2 X It it t - - X- - .. i^ it /- I r 3 ; b ^•^ A // ^ s // \ S * X Ml x st ^ /^Tlt S ^ ^ / ^ ^v ^^ \ ^ -2 ^ ^^ f It ^^ ^ it JZ X ii!! Oct 1- -t- -h .7t-T-± Fig. 15. —Effect of Wind Velocity on tbe Hourly Variations of Temperature.(«) On days with a light ) On day
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