648 EXPERIMENT STATION RECORD. 



the Buyh ballot medal, Long-range forecasts (by II. B. Wren), effect of rainfall on 

 the palm-oil tree, seasonal rainfall regimes in the United States (illus. ), tropical storm 

 of October 10 to 20, 1900, and the Deehevrens anemometer — cold waves. 



No. 11. — Special contributions on Airy's Theory of the Rainbow (illns.), by D. 

 Hammer; Radiation in the Solar System, by J. II. Poynting; A Simple, Effective, 

 and Inexpensive Lightning Recorder (illns.), by H. F. Alciatore; and The Introduc- 

 tion of Meteorology into the Courses of Instruction in Mathematics and Physics, by 

 C. Abbe; and notes on work of the Weather Bureau, an honest long-range forecaster, 

 meteorological course at Williams College, Weather Bureau station at Charles City, 

 Iowa (byC. J. Root), meteorology in New South Wales, Australia, Hawaiian climate 

 and crop service, antarctic meteorology, deflection of thunderstorms with the tides, 

 Weather Bureau records, Weather Bureau men as instructors, Assmann's sounding 

 balloons at the St. Louis Exposition, trails of meteors, darkness at Memphis, Mood 

 on the South Canadian River in Oklahoma and Indian Territory, October 1-4, 1904, 

 and a proposed international contest of weather forecasters. 



Meteorological observations, J. E. Ostrander and G. W. Patch (Massachu- 

 setts Sta. Met. Buls. 190, 191, 192, pp. 4 each). — Summaries of observations on pres- 

 sure, temperature, humidity, precipitation, wind, sunshine, cloudiness, and casual 

 phenomena during October, November, and December, 1904. The general charac- 

 ter of the weather of each month is briefly discussed and the December bulletin 

 gives a summary for the year. The principal data in this summary are as follows: 



Pressure « (inches). — Maximum, 30.96, March 5; minimum, 28.73, November 13; 

 mean, 30.034. Air temperature '> (degrees F. ). — Maximum, 94.5, July 19; minimum, 

 —26, January 5; mean, 43.9; mean sensible (wet bulb), 39.5; maximum daily range, 

 49, October 17; minimum daily range, 3.5, March 22; mean daily range, 21.8. 

 Humidity. — Mean dewpoint, 35.5; mean relative humidity, 77. Precipitation.. — Total 

 rainfall or melted snow, 45.3 in.; number of days on which 0.01 in. or more rain 

 or melted snow fell, 126; total snowfall, 59.5 in. Weather. — Total cloudiness recorded 

 by sun thermometer, 2,053 hours, or 46 per cent; number of clear days, 142; number 

 of fair days, 96; number of cloudy days, 128. Bright sunshine. — Number of hours 

 recorded, 2,401, or 54 per cent. Wind. — Prevailing direction, west; total movement, 

 46,994 miles; maximum daily movement, 450 miles, November 14; minimum daily 

 movement, mile, January 6; mean daily movement, 128 miles; maximum pressure 

 per square foot, 23.5 lbs., February 8, WNW. ; October 21, SSE. Dates of frost. — 

 Last, April 23; first, September 22. Dates of snow. — Last, April 20; first, October 12. 



Meteorological records for 1903 (New York State Sta. Rpt. 1903, pp. 456-462).— 

 Tables are given which show the average monthly precipitation since 1882; average 

 monthly temperature since 1883; tridaily readings of the standard air thermometer 

 during each month of 1903; a monthly summary of maximum, minimum, and stand- 

 aid thermometer readings; and daily readings of maximum and minimum thermome- 

 ters at 5 p. m. for each month of the year. 



Report of the meteorological council (Rpt. Meteor. Council [Great Britain], 

 1904, pp. 203, fig. 1, chart 1, map 1) . — An account of the work of the council during 

 the year ended March 31, 1904, in the lines of marine meteorology, forecasts and 

 storm warnings, climatology, and miscellaneous investigations is given, with state- 

 ments regarding publications of the council and its library and finances. 



The organization, meetings, proposed cooperation, correspondence, and informa- 

 tion ol a miscellaneous character are given in a series of ax^pendixes. The success of 

 8.30 p. m. forecasts (wind and weather) during 1903-4 was, complete 56 per cent, 

 partial 30 per cent. The averages for the preceding 10 years were, complete 55.4 per 

 cent, partial 27.8 per cent. A long list is given of accessions to the library during 

 the year, arranged on the lines of the international catalogue of scientific literature. 



« Reduced to freezing and sea level. b In ground shelter. 



