METEOROLOGICAL TABLES. 



125 



Meteorological ohservalions for the vionlh of May, 1U13, al Agricultural College, East 



Lansing, Michigan. 



Date. 



Temperature. (Degrees Fahrenheit.) 



Maximum. Minimum 



Mean. 



Precipita- 

 tion. 

 (In inches 

 and 

 hundredths.) 



Character of day. 



Percentage 

 of possible 

 sunshine. 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 



25 



26 



27 



28 



29 



30 



31 



Mean 



81 

 83 

 82 

 81 

 75 



61 

 65 

 55 

 54 



60 

 65 

 71 

 62 

 76 



64 

 72 

 62 

 62 

 61 



76 

 59 

 59 

 68 

 55 



52 

 68 

 79 

 68 

 68 

 73 



47 

 52 

 58 

 61 

 58 



40 

 33 

 39 

 33 

 27 



29 

 38 

 44 

 48 

 46 



49 

 47 

 44 

 37 

 50 



50 

 50 

 47 

 47 

 39 



37 

 45 

 44 

 54 

 51 

 53 



64 

 .68 

 70 

 71 

 66 



53 

 47 

 52 

 44 

 40 



44 

 52 

 58 

 55 

 61 



56 

 60 

 53 

 50 

 56 



63 

 54 

 53 

 58 

 47 



44 

 56 

 62 

 61 

 60 

 63 





 

 

 

 .21 



.01 

 

 

 

 





 .01 

 .29 

 .30 

 .27 





 .08 

 

 

 



.18 







.05 



.01 







.23 

 .01 





 .09 

 .43 







Clear 



Clear 



Clear 



Partly cloudy. 

 Cloudy 



Partly cloudy. 



Clear 



Cloudy 



Clear 



Clear 



Clear. . 

 Cloudy. 

 Cloudv. 

 Cloudy. 

 Cloudy. 



Partly cloudy . 

 Partly cloudy. 



Clear 



Clear 



Cloudy 



Cloudy 



Cloudy 



Cloudy 



Partly Cloudy. 

 Cloudy 



Cloudy 



Clear 



Clear 



Cloudy :. 



Partly cloudy. 

 Partly cloudy. 



100 



100 



95 



80 



52 



76 

 100 



57 

 100 

 100 



100 

 62 

 66 

 36 

 48 



69 

 75 

 96 

 82 

 8 



23 







13 



63 



9 





 81 

 100 

 25 

 36 

 60 



67.2 



45.1 



56.2 



Total. 

 2.22 



CI 



Atmospheric Pressure. — (Reduced to sea level; inches and hundredths.)— Mean, 30.04; highest, 30.51; date, 10; lowest, 

 29.72; date, 21. 



Temperature.— Highest, 83; date, 2; lowest, 27; date, 10; greatest daily range, 35; date, 28; least daily range, 9; date, 22. 



Wind. — Prevailing direction, southwest; total movement, 4,436 miles; average hourly velocity, 6.0; maximum velocity (for 

 five minutes) 24 miles per hour, from southwest on 3. 



Weather. — Number of days, clear, 1 1 ; partly cloudy, 7; cloudy, 13; on which .01 inch, or more, of precipitation occurred, 14. 



Miscellaneous Phenomena (dates of). — Aurora.s, 0; halos: solar, 5-9-12-13-17, lunar, 0; hail, 0; sleet, 0; fog, 31; thunder- 

 storms, .5-12-14-I.=;-17-21-30. *Frost: light, 12; heavy, 7; killing, 10-11. 



Note. — "T" indicates trace of precipitation. 



'Frosts are not recorded after the occurrence of "killing," except in Florida and along the immediate coast of the Gulf of 

 Mexico. 



DEWEY A. SEELEY, 

 Local Forecaster, Weather Bureau. 



