5 



the upper Mississippi vallcj, Lake region, Ohio valley and 

 portions of the Atlantic coast districts during the following- 

 three or four days. Over the southern portion of the coun- 

 try the temperatures of the week were moderate, and also 

 in districts west of the Rocky Mountains. 'No well-deiineJ 

 storm area crossed the TTnited States during the week, hut 

 considerahle rainfall occurred as the result of local depres- 

 sions, especially in the Gulf States. At the opening of the 

 week showery weather prevailed generally thronghout the 

 middle and lower Mississippi and Ohio valleys, continuing 

 during Tuesday and extending into the Middle Atlantic 

 States and JSTcav England. 



Week ending July 11.- — At the opening of the week 

 moderate temperatures were prevailing in practically all dis- 

 tricts. Over the Pacific coast States unusually high tem- 

 perature prevailed on Wednesday, and thereafter there was 

 a general increase in nearly all sections, the warm wave be- 

 coming more intense over the eastern portion of the country 

 as the week advanced, the temperature being generally the 

 highest for the season over much of the Atlantic and Gulf 

 coast States during Saturday and Sunday. Showers con- 

 tinued locally, as during the preceding week, over the Gulf 

 and South Atlantic States. An extensive area of low at- 

 mospheric pressure moved, during the early part of the week, 

 along the northern border from eastern Montana to the St. 

 Lawrence valley, but only light local showers occurred. 

 There was but little rain in the Lake region, the Middle At- 

 lantic States and ISTew England. 



Week ending Jidy 18. — At the beginning of the week the 

 temperatures were generally high over the South Atlantic 

 and Gulf coast States and in the Plateau and Pacific coast 

 districts, but moderate elsewhere. For a day or two moderate 

 temperatures continued from the Mississippi valley eastward, 

 but to the westward there was a general rise, which developed 

 into a warm wave of marked intensity. At the end of the 

 w^eek conditions were unsettled, and it M^as generally cooler 

 over the districts east of the Mississippi. A general rain 

 that developed over the middle Plains region on Monday 

 moved rapidly eastward to the Lake region and the lower 



