156 The Horticulturist's Rule-Book. 



When the rays of the rising sun shoot far up into the sky. fair 

 weather may be expected. 



When the ray-like shadows of clouds overlie a hazy sky in the 

 vicinity of the sun, rain is apt to follow. This is expressed in 

 the phrase "the sun drawing water." 



Gaudy hues of blue and purple at sunset prophesy rain and 

 wind. 



A bright red sunset means fair weather for the morrow. 



A pale and diffuse sun at setting portends a storm. 



If the sun sets in subdued purple and the zenith is pale blue* 

 fair weather may be expected. 



A deep red morning sky is usually followed by bad weather. 



A rosy or gray morning sky means good weather. 



A sonorous condition of the atmosphere foretells rain. 



A bank of cloud across the southern horizon in winter indicates 

 snow. It is frequently called the " snow-bank. " 



If the sun rises clear but becomes overcast within half an hour- 

 prepare for rain. 



A halo about the moon indicates a rain-storm. 



If the sky is white or yellowish white nearly to the zenith after 

 sunset, prepare for rain soon. 



Strong east winds indicate a storm. 



Haziness is indicative of dry weather. It is due to dust in the 

 atmosphere. 



When haziness suddenly dissappears and the sun sets pale and 

 the sky is very clear, rain is probable. 



When stars twinkle with unusual prominence, rain may be 

 expected. 



Heavy dew indicates fair weather. 



Absence of dew for two or three mornings in succession in 

 summer is a precursor of rain. 

 To Predict Frost (Kedzie) : 



1. When the sunshine is very hot and the shade very cold and 

 the shadows very deep. " there is frost in the air." because the 

 aii 1 is very dry and radiation of heat little checked. 



2. When the dew-point is more than 10° F. above frost-point, 

 there is little danger of frost. To find approximately the tem- 

 perature of dew-point when the temperature of the air is between 



