ri6 



IOWA DEPARTMENT OF AGRICULTURE 



WIND. 



The prevailing direction of tlie wind was from the northwest. The 

 highest velocity was at the rate of 36 miles an hour from the northwest, 

 at Sioux City, on the 12th. 



SUNSHINE AND CLOUDINESS. 

 The average percentage of the possible amount of sunshine was 4 per 

 cont, or about 8 per cent less than the normal. The per cent of the pos- 

 sible amount at the regular Weather Bureau stations was as follows: 

 Charles City, 33; Davenport, 38; Des Moines, 37; Dubuque, 38; Keokuk, 

 48; Sioux City, 47; and Omaha, Neb., 47 per cent. The average number 

 of clear days was 11; partly cloudy, 7; cloudy, 13. 



MISCELLANEOUS PHENOMENA. 

 Auroi'a: 29th. 

 Fog; dense: 19th, 20th, 21st, 22d, 23d, 24th, 25th, 26th, 28th. 



Halos, lunar and solar: 1st, 5th, 7th, 9th, 10th, 11th, 12th, 16th, 

 29th, 30th. 



Sleet: 5th, 6th, 9th, 19th, 28th. 



COMPARATIVE DATA FOR THE STATE— DECEMBER. 



TEAR 



1S90 



1891 



1892 



1893 — 



1894 



1895 



1896 



1897 



1898 



1899 — 



1900— 



1901 . 



1902 



1903 



1904 



1905 



1906 



1907 



1908 



1909 



1910 



1911 



1912 



1913 



1914 



1915 



1916 



'917 



1918u 



1919 



29.1 

 32.3 

 18.9 

 22.0 

 30.1 

 25.4 

 30.8 

 18.0 

 18.1 

 22.6 

 26.9 

 20.5 

 20.1 

 19.6 

 23.4 

 27.0 

 25.7 

 28.8 

 27.2 

 15.1 

 23.4 

 27.9 

 29.2 

 32.0 

 15.7 

 25.0 

 18.7 

 14.5 

 32.7 

 15.0 



1+ 5.2 

 + 8.4 



— 5.0 



— 1.9 

 + 6.2 

 + 1.5 

 -f 6.9 



— 5.9 



— 5.8 



— 1.3 

 + 3.0 



— 3.4 



— 3.8 



— 4.3 



— 0.5 

 + 3.1 

 + 1.8 

 + 4.9 

 + 3.3 



— 8.8 



— 0.5 

 + 4.0 

 + 5.3 

 + 8.1 



— 8.2 

 + 1.1 



— 5.2 



— 9.4 

 + 8.8 



— 8.9 



72 1—18 



72 —14 

 68 —29 

 70 —21 



73 —17 

 63 —16 

 70 —10 

 60 —25 

 60 —25 

 75 1^19 



63 —10 



64 —31 



59 —20 

 58 —27 

 67 —19 

 62 -Hi 



65 — 9 



62 — 9| 

 67 —17 1 



60 — 26i 

 57 -14| 

 60 — 24t 



64 —13; 



65 —13 



63 —311 

 56 I— lO: 



67 

 62 

 68 

 52 



—25 

 -40 



— 7' 

 -36 



0.45 



2.41 

 1.65 

 1.31 

 0.95 

 1.63 

 0.65 

 1.65 

 0.48 

 1.61 

 0.45 

 0.93 

 2.23 

 0.41 

 1.44 

 0.52 

 1.43 

 1.00 

 0.57 

 2.18 

 0.37 

 2.57 

 0.74 

 1.02 

 1.30 

 0.69 

 1.04 

 0.56 

 1.30 

 0.54 



I —0.77 

 I +1.19 

 +0.43 

 ' +0.09 

 i —0.27 

 +0.41 

 —0.57 

 +0.43 

 —0.74 

 +0.39 

 —0.77 

 —0.29 

 +1.01 

 —0.81 

 +0.22 

 —0.70 

 +0.21 i 

 —0.22 

 —0.65 

 +0.96 I 

 —0.85 

 +1.35 

 —0.48 I 

 —0.20 

 + 0.80 I 

 —0.53 I 

 —0.18 i 

 —0.66 

 +0.08 I 

 —0.68 ' 



1.40 



4.50 



3.04 



2.80 



1.75 



5.74 



1.79 



3.22 



1.70 



4.28 



2.70 



2.75 



5.51 



1.96 



3.68 



1.69 



2.81 



2.28 



2.07 



6.10 



1.39 



4.43 



1.75 



4.73 



2.24 



1.70 



2.00 



1.70 



3.30 



1.55 



0.00 

 1.21 

 0.20 

 0.46 

 0.25 

 0.00 

 T. 

 0.61 

 T. 

 0.10 

 Ti 

 0.05 

 0.67 ' 

 T. I 

 0.06 , 

 T. 



0.37 



0.05 



0.05 



0.89 



0.01 



0.62 



0.10 



0.00 



0.57 

 T. 



0.35 



0.14 



0.37 



0.08 



10.9 



7.6 



1.3 



4.1 



1.6 



15.9 



3.9 



4.3 



2.4 



5.4 



12.9 



3.7 



12.3 



4.2 



1.4 



4.7 



3.8 



13.7 



3.0 



12.6 



1.1 



1.3 



11.1 



4.6 



6.7 



6.7 



.5.1 



5.8 



17 



14 







10 

 15 

 11 

 10 

 11 

 15 

 12 

 13 

 10 

 9 

 11 

 12 

 19 

 11 

 10 

 15 



11 10 

 3 15 



13 

 18 

 15 



9 ! 10 



5 i 11 



6 15 

 6 10 

 8 I 

 4 11 



>> 



■a 



3 



o 



B 



7 



8 

 14 

 12 

 10 

 11 

 13 

 13 



8 

 10 

 12 

 12 

 16 

 11 

 12 



6 

 13 

 14 



8 

 16 



9 

 12 

 6 

 11 

 15 

 12 

 8 

 12 

 14 

 13 



T. Indicates an amount too small to measure, or less than .005 inch precipita- 

 tion sod less than .06 inch Bnowfall. 



