KANSAS CITY REVIEW OF SCIENCE. 



WEATHER REPORT FOR APRIL, 1882. 



FROM OBSERVATIONS TAKEN AT LAWRENCE, KANSAS, BY PROF. F. H. SNOW, OF 



THE STATE UNIVERSITY. 



During this month the temperature and cloudiness were above the average, 

 while the rainfall and wind velocity were nearly normal. The cold week, from 

 9th to 1 6th, produced only harmless "white frost," so that the immense fruit 

 crops have escaped entirely uninjured. There was a brilliant auroral display on 

 the night of the i6th, and a curious storm of almost impalpable dust on the i8th 

 from 5 to 5:30 p. m. 



•Mean Temperature — 56.83°, which is 3.02° above the average April temper- 

 ature of the fourteen preceding years. The highest temperature was 88°, on 

 the ist and 21st; the lowest was 35°, on the nth; monthly range, 53°. Mean 

 at 7 a. m., 52.23° ; at 2 p. m., 65.38° ; at 9 p. m., 54.88°. 



Rainfall — 3.20 inches, which is 0.17 inches above the April average. Rain 

 fell on nine days. There was no snow. There were five thunder showers, of 

 which four were accompanied by hail. ■ The entire rainfall for the four months 

 of 1882 now completed, has been 7.18 inches, which is 0.62 inch below the 

 average for the same period in the fourteen preceding years. 



Mean Cloudiness — 51.77 per cent of the sky, the month being 3.06 per cent 

 cloudier than the average. Number of clear days, 12, (entirely clear, 4); half 

 clear, 6; cloudy, 12, (entirely cloudy, 6). Mean cloudiness at 7 a. m., 57.33 

 per cent; at 2 p. m., 55.33 per cent; at 9 p. m., 42.66 per cent. 



Wind — Southwest, 21 times; southeast, 17 times; northeast, 15 times; 

 south, 9 times; north, 9 times; northwest, 8 times; west, 6 times; east, 5 times. 

 The entire distance travelled by the wind was 14,226 miles, which gives a mean 

 daily velocity of 474.20 miles, and a mean hourly velocity of 19.76 miles. The 

 highest velocity was 40 miles an hour, from 2 to 4 p. m. on the 17th, 



Mean Height of Barometer — 29.032 inches; at 7 a. m., 29.065 inches; at 2 

 p. m., 29.006 inches; at 9 p. m., 29.027 inches; maximum, 29.449 inches, 

 on the 29th; minimum, 28.542 inches, on the 21st; monthly range, 0.907 

 inches. 



Relative Humidity — Mean for month, 61.7; at 7 a. m., 69.8; at 2 p, m., 

 48.7; at 9 p. m., 66.8; greatest, 100, on the 22d; least, 21.3, on the 30th, 

 There was no fog during the month. 



The following table furnishes a comparison with preceding Aprils : 



