962 



EXPERIMENT STATION EECORD. 



Meteorological observations at the Massachusetts Hatch Sta- 

 tion, October-December, 1896, L. Metcalf and J. L. Bartlett 

 {^((ftsarhusctt.s Hatch Sta. Met. Bids. 94-90, pp. I each). — These bulletins 

 jjive the usual summaries of observations at the meteorological observ- 

 atory of the station. The December number gives in addition a sum- 

 mary for 189G, which is as follows: 



rressnre^ (inches). — Maxiumm, S0.94, I>ec. 27; niiuimnm, 28.72, February 6. Air 

 (empiraiure- (degrees F.).— Maximum, 97, August 12; uuniinum, —14, February 17; 

 mean of means of maximum and minimum, 47; mean sensible (wet bulb), 44; maxi- 

 mum daily range, 47, April 16; minimum daily range, o, October 5. HnmklUy. — 

 Mean dew point, 39.9; mean force of vapor, 0.422; mean relative humidity, 76.9. 

 PrecipUation. — Total rainfall or melted snow, 39.66 in. ; number of dayn on which 

 0.01 in. or more of rain or melted snow fell, 108; total snowfall in inches, 44. 

 /rea</ie)-. — Mean cloudiness observed, 49 per cent; total cloudiness recorded by sun 

 thermometer, 2,018 hours, or 46 per cent; number of clear days, 132; number of fair 

 days, 102; number of cloudy days, 132. Wind. — Prevailing direction, W. SW. ; N., 

 10 per cent; 8., 10 per cent; S. SW., 10 per cent; W., 10 per cent; SW., 7 per cent; 

 other directions, 53 percent; total movement, 59,198 miles; maximum daily move- 

 ment, 620 miles, March 4; minimum daily movement, 14 miles, February 1; mean 

 daily movement, 161.7 miles; mean hourly velocity, 6.7 miles; maximum pressure 

 per sijuare foot, 251 lbs., 71 miles per hour on May 18. Dates of frosts. — Last, May 1 

 (May 20 in lowlands); first, September 24 (September 21 in lowlands). Dates of 

 snow. — Last, April 7; first, November 14. 



Meteorological summary for Ohio, 1896, C. A. Patton {Ohio 

 Sta. Bill. 74, pp. 247-200). — Notes on tlie weather, and tabulated daily 

 and monthly summaries of observations at tlie station on temperature, 

 precipitation, cloudiness, direction of the Avind, etc., are given; and for 

 comparison similar data for previous years and for other jjarts of the 

 State are added. The following is a summary of results: 



Sunimary of meteorological obscrrations. 



' Keduced to freezing and sea level. The instruments are 2,735 ft. above sea level. 

 ^'^Temperature in ground shelter 51 ft. below level of other instruments. 



