584 E. HUNTINGTON SOLAR HYPOTHESIS OF CLIMATIC CHANGES 



depends largely on the transportation of heat by ocean currents. Thus 

 an anomaly which actually arises in a sunny region may be transported 

 toward a cloudy region, and may there be concentrated so that it appears 

 more important than at its place of origin. Indeed, the place of origin 

 may actually be cooled by the rapid removal of heat. If we take the 

 lands alone we find that the method employed in Table 8 and figure 22 

 points strongly toward the conclusion that the presence of clouds is asso- 

 ciated with relatively low temperature at the earth^s surface. 



Table 8 



Temperature Anomalies at Places having various Degrees of Cloudiness J)eticeen 

 Latitudes 30° south and 30° north for the Months of January and July 



Degree of cloudi- 

 ness. 



Entire area. 



Land area. 



Oceanic area. 



Basis. 



Average 

 anomaly. 



Basis. 



Average 

 anomaly. 



Basis. 



Average 

 anomaly. 



0—1 



1.1—2.0 



2.1—3.0 



3.1-4.0 



4.1—5.0 



5.1—6.0 



6.1—7.0 



7.1-8.0 



3 

 16 

 16 

 42 

 75 

 58 

 38 



4 



(+5.33°) 

 +3.33° 

 +1.78° 

 —0.82° 

 —0.52° 

 —1.03° 

 —0.14° 



(+4.9°) 



3 

 14 

 13 

 12 

 18 

 12 

 10 



3 



(+5.33°) 



+3.89° 

 +2.35° 

 +3.17° 

 +1.11° 

 ±0.00° 

 +1.40° 

 (+4.66°) 







2 



3 



30 



57 



46 



28 



1 



(-6.'67°) 

 -2.42° 

 —1.04° 

 —1.29° 

 —0.70° 



In the two preceding methods we have compared different parts of the 

 earth with one another, and hence have been liable to error because of 

 the great variety of relief, currents, winds, and other physical character- 

 istics which prevail in one region or another. Let us now compare the 

 conditions of each region at different times of the year. The results ap- 

 pear in Table 9. Among the 126 points used in our calculations 110 

 show a distinct change of cloudiness from January to July. In 59 cases 

 the cloudiness decreases and in 51 it increases. Over the lands the aver- 

 age temperature is higher in July than in January, no matter whether 

 the cloudiness is greater or less, while over the oceans the reverse is true. 

 This, however, does not prevent us from testing the matter, for we can 

 determine whether the cloudy places have a greater or less increase or 

 decrease of temperature than do the ones with less clouds. Testing the 

 matter in this way, we find that on an average the land stations where 

 the cloudiness is greater in July than in January have an anomaly 

 -[-1.33° F. greater in July than in January. On the other hand, the 

 stations where the cloudiness is less in July than in January have an 



