INSECT PEST SURVEY BULLETIN 
Vol. 9 Summary for 1929 No. 10 
INTRODUCTION 
The year 1929 was characterized over most of the country by unusual 
cold in late winter; warm weather in 3r:rly spring;, and cool later; a 
Summer nearly normal in temperature, and dry in the later part; and a 
fall in which drought was relieved in .Lost, "out not -11, of the country, 
and in which severe cold waves came unusually early. 
January and February were below normal in temperature except in the 
Atlantic States, and approached low records in the North Central and 
Mountain States. January sno~fall was heavy in the North, whereas 
February rainfall "'as excessive in the Southeast and deficient in the 
Mountain States, 
March and early April were above normal in temperature except in some 
western areas. In March the weather ^cs generally more than normally warm, 
and in the Gulf region there were disastrous excesses in temperature. May 
was below normal in temperature except in the Far .'est, with uneven 
rainfall, which was especially deficient in California and Nevada, and 
excessive in the Cotton Belt and the Central States. 
June was somewhat cooler than usual in the Southwest and in a few 
small areas. July w £ s nearly normal in temperature, and August was 
slightly below normal in the East and above normal in the "Vest. In June 
the rainfall rr as excessive in the lower Missouri Valley and deficient in 
the spring-wheat region of Texas. In lata July and in August rainfall 
was deficient over much of the country. 
In September the northern Jreat Plains Were especially cool and 
temperatures were lo~er than usual except in the Northeast and Southwest, 
^':ere heat was excessive in many places early m the month. The drought 
^a.s relieved in September and October in most of the eastern rnd central 
areas, and rains -•'ere excessive in the Southeast. A hurricane passed 
over the Gulf Coast late in September. The most marked feature of late 
fall was the persistence of dry weather in the Pacific Northwest. In the 
cold waves the temperature was around zero in the North Central States and 
reached freezing along the Gulf coast and in northern Florida. 
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