prevailed in the Lake region and east Gulf States, accom- 

 panied with local showers and thunderstorms, and generally 

 imsettled weather continued in much of the territory east 

 of the Rocky Mountains until the middle of the week. The 

 week closed with light rains and threatening weather pre- 

 vailing over much of the eastern portion of the country. 



Week ending August 15. — At the beginning of the week 

 moderate summer temperatures were the rule in all portions 

 of the United States. An area of moderately high barometric 

 pressure moved from the Missouri valley eastward, with com- 

 paratively cool weather, during the following three or four 

 days. This was followed by warmer weather, and the week 

 closed with moderate temperatures in all districts except 

 portions of the Mississippi and Ohio valleys and Lake region, 

 where on Sunday they were comparatively high. Generally 

 unsettled, cloudy weather prevailed at the beginning of the 

 week over all districts east of the Rocky Mountains. This 

 was followed by clear weather for several days, with threat- 

 ening weather and showers over much of the country for the 

 last three days of the week. 



^Yeeh ending August 22. — The temperature at the begin- 

 ning of the week was near the normal in all districts, but 

 cooler weather overspread the northwestern States, and by 

 Wednesday had advanced into the upper Missouri valley, 

 with temperatures below 40° in portions of Montana, 

 Wyoming and North Dakota. This cool area moved east- 

 ward, gradually overspreading the Mississippi and Ohio 

 valleys. Lake region and Atlantic coast districts by the end 

 of the week. At the beginning of the week unsettled weather 

 prevailed over the districts east of the Rocky Mountains, and 

 local and heavy showers occurred during Monday and Tues- 

 day along the middle and north Atlantic coast. About the 

 middle of the week local heavy rains occurred over portions 

 of the South Atlantic States, at widely separated points in 

 the southern Plains States and in the middle Mississippi 

 valley. 



Week ending August 29. — The week was one of marked 

 temperature extremes, beginning with moderate temj)eratures 



