IOWA WEATHER AND CROP REPORT 



569 



COMPARATIVE DATA FOR THE STATE— FEBRUARY. 



YEAR 



Temperature 



Precipitation 



Number of 

 Days 



67 —24 

 70 — 31 



68 —20 

 60 —28 



60 j— 19 

 73 —33 

 78 —13 



61 —24 



62 —18 

 75 j— 40 

 60 —27 

 49 —21 

 62 1—21 



56 —21 



70 —26 



69 —41 

 66 —32 

 65 —31 

 59 —16 

 62 —26 



58 —21 



71 —13 



57 —30 



70 —24 



59 —29 

 62 I— 8 

 62 —32 



65 —16 



59 —22 

 76—5 

 70 —20 



0.83 

 1.16 

 1.20 

 1.39 

 0.89 

 0.49 

 0.71 

 0.89 

 1.20 

 0.89 

 1.30 

 1.01 

 0.73 

 1.18 

 0.41 

 1.57 

 1.29 

 0.71 

 1.69 

 1.54 

 0.46 

 2.76 

 1.21 

 0.82 

 0.87 

 2.93 

 0.55 

 0.36 

 0.95 

 2.42 

 0.56 

 0.77 

 1.59 



—0.32 

 +0.01 

 +0.05 

 +0.24 

 —0.26 

 —0.66 

 —0.44 

 —0.26 

 +0.05 

 —0.26 

 +0.15 

 —0.14 

 —0.42 

 +0.03 

 —0.74 

 +0.42 

 +0.14 

 —0.44 

 + 0.54 

 +0.39 

 -0.69 

 + 1.61 

 +0.06 

 —0.33 

 —0.28 

 +1.78 

 —0.60 

 —0.79 

 —0.20 

 + 1.27 

 —0.59 

 —0.38 

 +0.44 



2.18 

 2.41 

 2.18 

 2.91 

 2.41 

 1.34 

 2.40 

 1.81 

 3.65 

 4.32 

 4.57 

 3.00 

 2.39 

 3.25 

 1.99 

 2.97 

 2.91 

 1.95 

 3.95 

 4.72 

 2.09 

 5.46 

 3.25 

 2.39 

 1.99 

 5.39 

 1.38 

 1.19 

 2.10 

 4.12 

 1.75 

 2.00 

 4.56 



0.11 

 0.55 

 0.12 

 0.06 



T. 

 0.02 

 0.04 

 0.22 

 0.10 

 0.12 

 0.18 

 0.12 

 0.02 

 0.30 



T. 

 0.44 

 0.20 

 0.06 

 0.23 

 0.30 



T. 

 0.50 

 0.04 

 0.07 

 0.32 

 0.43 

 0.05 



T. 

 0.09 

 1.32 

 0.04 

 T. 

 0.40 



5.0 

 8.1 

 8.4 

 3.3 

 5.4 

 8.0 

 7.8 

 7.1 

 9.9 

 9.7 

 2.6 

 7.9 

 4.5 



15.5 

 6.1 

 4.6 

 8.9 

 7.7 

 4.0 

 7.0 



11.2 

 7.3 

 9.2 

 9.4 

 6.0 

 3.5 

 6.0 

 9.9 

 4.1 

 6.5 

 1.3 



10 



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

 tion and less than .05 inch snowfall. 



THE WINTER OF 1921-1922. 



The mean temperature for the three winter months was 23.9°, which is 

 3.1° above the normal for the State, and 4.7° lower than the mean for 

 1920-1921, which was the warmest winter ever recorded in the State. 

 The highest temperature reported was 70°, at Clarinda and Mt Ayr, on 

 February 21st. The lowest temperature reported was -29°, at Charles 

 City, on January 6th, and Mason City, on January 24th. 



The average monthly precipitation for the State was 1.17 inches and the 

 average total precipitation was 3.50 inches or, 0.08 inch more than the 

 winter normal. The average total snowfall, unmelted, was 9.5 inches, the 

 least ever recorded, which is 11.0 inches below the normal, and 8.5 inches 

 less than the winter of 1920-1921. The least ever recorded heretofore 

 was 12.0 inches, during the winter of 1906-1907. 



The total number of days with .01 inch or more of precipitation was 

 13, or 1 less than the winter of 1920-1921. The average number of clear 

 days was 45; partly cloudy, 22; cloudy, 23, as compared with 34 clear 

 days, 22 party cloudy days and 34 cloudy days during the winter of 

 1920-1921. ' 



