EXPERIMENT STATION BULLETINS. 



799 



TABLE 86.— MONTHLY, SEASONAL, AND YEARLY MAXIMUM, MINIMUM AND AMPLITUDE OF TEMPER- 

 ATURE OF SOILS WITH VARIOUS AMOUNTS OF ORGANIC MATTER. 



1914-1915. 



1.81% 

 Org. Mat. 



3' 



6' 



2.01% 

 Org. Mat. 



3" 



6' 



3.32% 

 Org. Mat. 



5.47% 

 Org. Mat. 



6.95% 

 Org. Mat. 



Peat. 



3' 



6" 



6' 



3" 



3' 



6" 



Air. 



Winter: 



(Max. 

 Min. 

 Diff.. 



32.21 



30.44 



1.77 



'33.69 



132.98 



0.71 



33.44 



31.53 



1.91 



34 30 



33.67 



0.63 



33.69 



32 38 



1.31 



34.79, 33.97 



34.25 32.95 



0.54 1.02 



34.70 34.441 35.20 35.03 



34.30 33.83 34.91 34.69 



0.40 0.6l! 0.29i 0.34 



35.71 28.0 



35.45 15.0 



0.26 13.0 



January 



Max. 

 Min. 

 Diff.. 



February. . . 



Max. 

 Min. 

 Diff.. 



[Max. 



Seasonal. . . \ Min. 



iDiff.. 



Spring: 



' Max. 



March i Min . 



Diff.. 



April. 



Max. 

 Min. 

 Diff.. 



May. 



Max. 



Min. 

 Diff.. 



Seasonal . 



Max. 

 Min. 

 Diff.. 



Summer: 

 June. . . 



Max. 

 Min. 

 Diff.. 



July. 



f Max. 

 Min. 

 Diff.. 



30.62 



29.98 



0.64 



31.65 



31.32 



0.33 



31.78 



31.37 



0.41 



32.63 



32.39 



0.24 



32.39 



32.02 



0.37 



33.34: 32.77 



33.14^ 32.49 



0.20 0.28 



-I. 



33.34 



33.20 



0.14: 



32.46 



30.75 



1.71 



33.05 



32.33 



0.72 



33.46 



32.23 



1.23 



33.73 



33.31 



0.42 



33.45 34.06 



32.66 33.66i 



0.79 0.40 



33.72 



32.70 



1.02 



31.76 



30.39 



1.37 



32.80 



32.21 



0.59 



32.89 



31.71 



1.18 



33.55 33.18 



33.12 32.35 



0.43! 0.83J 



34.06 



33.68 



0.38, 



33.91 



33.36 



0.55 



33.49 



32.71 



0.78 



32.971 



32.791 



0.18! 



33.61 



32.931 



0.68 



33.54 



33.40i 



0.14 



32.89 



32.70 



0.11 



33.91 



33.45! 



0.46: 



32.76 



32.48 



0.28 



32.88 



32.70 



0.18 



28.0 

 12.9 

 15.1 



32.41 



32.30 



0.11 



33.98 



33.62 



0.36 



33.67 



33.18 



0.49 



34.22 



33.92 



0.30 



33.56 



33.29 



0.27 



36.2 

 22.5 

 13.7 



33.67 30.73 



33.48 16.80 



0.19 13.93 



36.71 



30.52 



6.19 



36.98 



33.01 



3.97 



37.81 



31.71 



6.10 



37.48 



33.63 



3.85 



160.69 



145.64 



15.05 



57.83! 63.15 

 47.08! 46.41 

 10.75' 16.74 



37.40 



32.21 



5.19 



58.53 62.28 

 47.57 46.35 

 10.96 15.93 



62.09 

 47.98 

 14.11 



60.32 66.09 

 50.27 49.07 

 10.05 17.02 



62.46 

 50.96 

 11.50 



37.48! 37.04 



33.95 32.86 



3.53 4.18 



58.89 61.20 

 47.74' 46.82 

 11.15 14.38 



64.99; 62.22 64.14 

 48.861 50.91 49.58 

 I6.I3I 11.31 14.56 



36.79 37.02, 36.88 32.76 



34.06 33.26 34.491 32.38 



2.73! 3.76 2.391 0.38 



57.74 60.32' 56.67 



47.80 46.73, 48.56 



9.94, 13.59 8.11 



52.52 



45.64 



6.88 



61.22 63.79 61.06 60.05 

 51.10 49.53 52.38 51.38 

 10.12: 14.261 8.68 8.67 



53.16 

 41.38 

 11.78 



51.71 55.68 



43.45 42.40 



8.26 13.28 



52.82| 54.89 



44.05 42.47 



8.77 12.42 



74.71 

 56.62 

 18.09 



79.19 

 62.90 

 16.29 



71.20 77.71 

 58.88 57.55 

 12.32 20.16 



72.78 

 59.42 

 13.36 



76.45' 83.73 

 65.02 04.37 

 11.43 19.36 



78.79 

 65.87 

 12.92 



52.86 



44.20 



8.66 



54.13; 

 43.09 

 11.04 



51.92 



44.32 



7.60 



53.71! 51.54 48.44 

 42.84! 45.14 43.13 

 10.87, 6.40 5.31 



76.90] 73.06 75.92 

 57.36' .59.33 57.92 

 18.54 13.73 18.00 



82.60 78.99 82.26 

 64.21 65.84; 64.63 

 18.39 13.15: 17 63 



72.00' 75.991 71.11 

 59.59 57.90 

 12.41 18.09 



71.09 

 60.12 59.62 

 10.99 11.47 



78.21 81.77 

 65.82 64.66 

 12.39 17.11 



76.96' 77.77 

 66.36 65.77 

 10.60 12.00 



32.32; 39.6 



32.15| 20.6 



0.17 19.0 



46.66 



45.23 



1.43 



63.0 

 40.1 

 22.9 



54.56 62.3 



52.901 40.7 



1.66' 21.6 



44.51 54.97 



43.43 33.80 



1.08 21.17 



63.51 72.7 



61. .36 49.3 



2.151 23.4 



70.15 77.9 



67.82 57.9 



2.33 20.0 



Aug. 



{Max. 

 Min. 

 Diff.. 



Seasonal . 



Max. 

 Min. 

 Diff.. 



Autumn: 



(Max. 

 Min. 

 Diff.. 



October. 



f Max . 



..\ Min. 



Diff.. 



November . 



f Max. 

 Min. 

 Diff.. 



74.80 

 59.93 



14.87 



72.82 78.14 



62.87: 61.24 



9.95 16.90 



74.22 

 63.47 

 10.75 



77.16 

 61.15 

 16.01 



74.72' 76.87 

 63.721 61.81 

 11.00' 15.06 



73.86 76.37 

 63.71 61.71 

 10.151 14.66 



72.90 73.28 



64.29; 63.48 



8.61! 9.80 



67.57 



65.76 



1.81 



73.3 

 53.6 

 19.7 



76.23 

 59.82 

 18.41 



73.49 79.86 

 82.26 61.05 

 11.23 18.81 



75.26 78.89 75.59 

 62.92 60.91 62.96 

 12.341 17. 98^ 12.63 



78.35 74.69 78.04 

 61.45 63.04 61.42 

 16.90 11.65 16.62 



73.66 74.05 

 63.59 62.96 

 10.07 11.09 



73.161 70.24| 75.98! 71.49 

 57.12; 59.80 58.05; 60.21 

 16.04 10.44; 17.93' 11.28 



57.63 56.00 59.92' 56.90 

 46.48, 48.65 47.52 48.92 

 11.15; 7.35 12.40 7.98 



43.50 43.55 45.43 44.18 



37.39 39.97 38.69 40.44 



6.11, 3.58 6.74 3.74 



74.93 

 58.04 

 16.89 



71.8li 74.40 

 60.45 58.92 

 11.36 15.48 



59.11! 57.57' 59.28 

 47.42 49.30; 48.26 

 11.69 8.27 11.02 



71.05 73.64 70.02 70.21 

 60.60 58.80l 61.28! 60.54 

 10.45 14.84 8.74, 9.67 



57.13i 58. .53 



49.38. 47.99 



7.75, 10.54 



44.84! 44.621 45.05 44.46 44.79 



38.72| 40.77 39.47 40.94 39.55 



6.12 3.85 5.58 3.52 5.24 



59.83 

 48.08 

 11.57 



56.65 

 45.95 

 10. 7C 



58.00 



50.17 



7.83 



59.58 

 48.88 

 10.70 



56.66 55.92 



49.84 48.82 



6.82' 7.10 



44.38' 43.38 



41.40 40.55 



2.98 2.83 



57.55 



50.31 



7.24 



58.99' 57.02 56.50 

 48.78 50.84 49.97 

 10.21 6.18 6.53 



55.13 



47.75 



7.38 



56.39; 54.54 



46.531 47.82- 



9.86 6.72 



58.101 54.11 53.14 



46.56| 48.37 47.34 



9.54! 5.74 5.80 



I 



67.08 74.63 



64.98 53.60 



2.10 21.03 



64.52 73.8 



62.58 52.6 



1.94 21.2 



42.71 47.4 



41.81 32.1 



0.90 15.3 



53.13 80.80 



51.55 41.90 



1.58 18.90 



49.60 55.28 



48.36 36.53 



1.24 18.75 



