IIU 



STATE BOARD OF AGRICULTURE. 



MONTHLY.METEOROLOGICAL SUMMARY, LANSING, MICHIGAN, FEBRUARY, 1921. 



Dale. 



9. 

 10. 

 11. 

 12. 

 13. 

 14. 

 15. 

 16. 

 17. 

 18 

 li). 

 20. 

 21. 

 22. 

 2.3. 

 24. 

 25. 

 26. 

 27. 

 28. 

 29. 

 30. 

 31. 



Temperature. 



Hi«licst. 



31 

 30 

 30 

 37 

 38 

 35 

 32 

 34 

 35 

 32 

 31 

 36 

 37 

 38 

 56 

 59 

 28 

 31 

 28 

 30 

 36 

 45 

 33 

 26 

 30 

 31 

 30 

 36 



Lowest. 



11 

 25 

 22 

 24 

 32 

 25 

 26 

 26 

 32 

 30 

 23 

 21 

 29 

 25 

 25 

 28 

 16 

 M 

 16 

 12 

 15 

 18 

 ]7 

 9 



20 

 20 

 20 

 29 



Mean. 



21 

 28 

 26 

 30 

 35 

 30 

 29 

 30 

 34 

 31 

 27 

 28 

 33 

 32 

 40 

 44 

 22 

 22 

 22 

 21 

 26 

 32 

 25 

 1.S 

 25 

 26 

 25 

 32 



Precipita- 

 tion in 

 inches. 



01 

 01 

 0.01 

 10 





 0.03 

 0.10 

 0.05 



T. 

 01 

 02 



T. 



(I 











T. 

 04 



T. 



T. 



T. 





 09 

 02 





 07 

 69 







T. 



Character of 

 day. 



Cloudv 



Cloudy 



Cloudy 



Cloudy 



Cloudy 



Partly cloudv . 



Cloudy 



Cloudv 



Cloudy 



Cloudy 



Cloudy 



Cloudy 



Cloudy 



Clear 



Partly cloudy. 

 Partly cloudy . 



Cloudy 



Clear 



Cloudy 



Partly cloudy. 



Cloudy 



Cloudy 



Clouiiy 



Partly cloudy . 



Cloudy 



Cloudy 



Cloudy 



Cloudy 



Percent- 

 age of 

 possible 

 sunshine. 



38 

 



78 

 



44 

 

 



22 

 2 







92 



88 



59 



1 



89 



19 



59 



93 



56 



7 



6(i 



34 







5 







Mean hifjhest temperature 34 8 



Mean lowest temperature 21.8 



Mean temperature for month 28 .3 



Total precipitation for month 1 . 25 



Weather. 



Number days clear ^ 2 



Partly cloudy 5 



Cloudy 21 



With 0.01 or more of precipitation 14 



Sunshine. 



Number hours sunshine 916 



Pofisible hours sunshine 295 2 



Percentage of possible ". 31 



This month since 1863. 



Barometer — Mean, 30.04 inches; highest, 30.58 inches, on 19tli; lowest, 29.57 inches, on l(3th. 



Temperature— Highest, 59°, on 16th; lowest, 9°, on 24th; greatest daily range, 31°, on I5th; least daily range, 2°, on 10th; 

 normal for month, 21.6°; excess or deficiency this month, +6,7°; accumulated excess or deficiency since January 1st, +389°; 

 average daily, same period, +6.6°; highest in 36 years, 62°, lowest, — 25°. 



Precipitation (in inches)— Total amount. 1.25; normal, 2.02; excess or deficiency this month, — 0.77; since January 1st, — 2.45 ; 

 greatest amount in any 24 hour period, 0.74, on 25th and 26th; total snowfall, 10.9. 



Wind — Prevailing direction, west; total movement, 4.661 miles; average hourly velocity, 6.9 miles; maximum velocity, 25, 

 from the west, on 16th. 



Dates of — .Auroras, 0; dense fog, 0; sleet, 0; thunderstorms, 0; halos: solar, 15, 19, 21, 22; lunar, 21 ; frost: killing, ^; heavy, — ; 

 light, — . 



DEWEY A. SEELEY, 



Meteorologist. 



