METEOROLOGICAL TABLES. 



MONTHLY METEOROLOGICAL SUMMARY, LANSING, MICHIGAN, JULY, 1920. 



133 



Barometer— Mean, 29.98 inches; highest, 30.23 inches, on 26th; lowest, 29.56 inches, on 23rd. 



Temperatire — Highest, 94°, on 23rd; lowest, 46°, on 5th; greatest daily range, 31°, on 5th; least daily range, 11°, on 6tli; 

 normal for month, 70.9°; excess or deficiency this month, — 3.6°; accumulated excess or deficiency since January 1st, — 585° 

 average daily, same period, — 2.8°; highest in 35 years, 102°, lowest, 37°. 



Prkcipitation (in inches) — Total amount, 3.01 ; normal. 3.22; excess or deficiency this month, — 0.21 ; since January l.st, — 1.61. 

 greatest amount in any 24 hour period, 1.40, on 18th; total snowfall, 0.0 in. 



WiND^Prevailing direction, southwest; total movement, 3,364 miles; average hourly velocity, 4.5 miles; maximum velocity 19, 

 from the southwest, on 29th. 



Dates op— Auroras, 0; hail, 0; thunderstorms, 2, 8, 13, 18, 21, 23, 29, 30; halos: .solar, 10; lunar, 0; frost: killing, 0; heavy, 0; 

 light, 0. 



DEWEY A. SEELEY, 

 Meteorologist. 



