KANSAS METEOROLOGICAL SUMMARY FOR TILE YEAR 1879. 689 



two-thirds), 72. There were 61 entirely clear and 35 entirely cloudy days. The 

 clearest month was August, with an average cloudiness of 28.92 per cent; the 

 cloudiest month was December, with an average of 51.83 per cent. The mean 

 cloudiness at 7 a.m. was 44.09 per cent; at 2 p.m., 46.27 per cent; at 9 p.m., 

 29.67 per cent. 



DIRECTION OF THE WIND. 



During the year — three observations daily — the wind was from the southwest 

 272 times; northwest, 238 times; southeast, 158 times; south, 130 times; north- 

 east, 112 times; east, 90 times; north, 71 times; west, 16 times; calm, 8 times. 

 The south winds (including southwest, south and southeast) outnumbered the 

 north winds (including northwest, north and northeast) in the ratio of 560 to 421. 



VELOCITY OF THE WIND. 



The number of miles traveled by the wind during the yearwas 124,768, which 

 is 14,160 miles less than the average for the past 6 years. This gives a mean 

 daily velocity of 341.83 miles, and a mean hourly velocity of 14.24 miles. The 

 highest hourly velocity was 60 miles, on February 25th and March 13th ; the high- 

 est daily velocity was 960 miles, on March 8th ; the highest monthly velocity was 

 13,787 miles, in March. The three windiest months were March, November and 

 December ; the three calmest months were June, July and August. The average 

 hourly velocity at 7 a. m. was 12.78 miles; at 2 p. m., 16.39 niiles; at 9 p. m., 

 14.03 miles. 



BAROMETER. 



Mean height of barometer column, 29.127 inches; at 7 a. m., 29.150 inches; 

 at 2 p.m., 29.103 inches; at 9p.m., 29.126 inches; maximum, 29.745 inches,on 

 January 3d ; minimum, 28.534 inches, on December 28th; yearly range, 1,211 

 inches. The highest monthly mean was 29.253 inches, in January; the lowest was 

 29.024 inches, in May. The barometer observations are corrected for tempera- 

 ture and instrumental error. 



RELATIVE HUMIIDITY. 



The average atmospheric humidity for the year was. 67. 13 ; at 7 a. m., 77.86 ; 

 at 2 p. m., 50 n; at 9 p. m. , 73.41. The dampest month was January — mean 

 humidity, 76; the dryest month was March — mean humidity, 56.1. There were 

 10 fogs during the year. The lowest humidity for any single observation was 

 12.3, at 2 p. m. March 9th — less than one-eighth of saturation. 



The following tables give the mean temperature, the extremes of temperature, 

 the velocity of the wind, the percentage of cloudiness, the relative humidity, and 

 the rainfall, for each month of the year 1879, and a comparison with preceding 

 years : 



