THE CODLING MOTH IN THE YAKIMA VALLEY. 

 Table 1. — Annual meteorological summary, Yakima, Wash. 



1919. 



Month. 



January . . . 

 February. . 



March 



April 



May 



June 



July 



August 



September. 

 October... 

 November. 

 December . 



Year. 



Temperature (°F.). 



Means. 



62.3 



36.6 



30.2 

 35.4 

 45.4 

 .53.5 

 58.6 

 63.6 

 72.6 

 71.4 

 60.3 

 48.0 

 37.8 

 21.0 



49.8 



Extremes. 



104 



22 

 28 

 29 

 27 

 21 

 19 

 15 

 18 

 24 

 7 

 i 17 

 24 



n) 



/Dec. ) 

 \ 131 



Precipita- 

 tion 

 (inches). 



36 1. 00 0. 41 



5.50 



. 44 21. 4 



Number of days. 



< - 



Maximum 

 tempera- 

 ture. 



Minimum 

 tempera- 

 ture. 



NW. 

 NW. 

 NW. 

 NW. 



NW. 

 NW. 



NW. 

 NW. 

 NW. 

 NW. 

 NW. 

 NE. 



NW. 



1920, 



January 



1 1 

 35. 5 21. 3 28. 4 



60 



116 



10 



6 



27 



0.94 



0.64 



7.5 



3 



15 







27 







NW. 



February 



47. 2 25. 4 36. 3 



62 



12 



20 



122 



38 



.04 



.04 



T. 



1 











28 







NE. 



March 



58. 2 29. 6 43. 9 



68 



12 



16 



17 



42 



.02 



.02 



T. 



1 











21 







NW. 



April 



May 



62. 2 34. 3 48. 2 



82 



26 



24 



3 



42 



.53 



.14 



2.0 



8 











11 







NW. 



71. 7141. 2 56. 4 



86 



7 



32 



128 



44 



.39 



.25 







3 











2 







NW. 



June 



78.7,48.6.63.6 



98 



30 



40 



1 



45 



.33 



.11 







5 







3 











NW. 



July 



91. 2 58. 6 74. 8 



100 



28 



50 



113 



41 



.25 



.16 







2 







20 











NW. 



August 



86.7 55.2 71.0 



102 



15 



39 



28 



43 



.44 



.35 







2 







17 











NW. 



September. . . 



76.0 46.161.0 



91 



3 



35 



26 



41 



1.18 



.32 







6 







3 











NW. 



October 



62. 4 37. 2 49. 8 



78 



4 



26 



20 



33 



.55 



.30 







4 











10 







NW. 



November. . . 



49. 4 28. 8J39. 1 



59 



7 



14 



10 



35 



1.35 



.44 



T. 



7 











25 







W. 



December . . . 



39. 7 25. 9 32. 8 



50 



13 



12 



25 



21 



1.82 



.34 



9.8 



10 



3 







29 







NW. 



Year.... 



63.2 37.7 50.4 



I 1 



102 



{ Au fe} 



10 



{ Jan e} 



45 



7.84 



.64 



19.3 



52 



18 



43 



153 







NW. 



1921. 



January 



38.9 



22. 4 30. 6 



54 



14 



9 



16 



30 



1.52 



0.35 



15.1 



11 



6 







28 







NE. 



February 



43.9 



27.3 



35.6 



61 



11 



15 



21 



32 



.59 



.22 



5.5 



8 











21 







NW. 



March 



57.2 



32. 7 



45.0 



70 



31 



26 



U4 



40 



.25 



.12 



T. 



4 











18 







NW. 



April 



May 



63.4 



36.2 



49.8 



76 



11 



26 



24 



38 



.35 



.18 



T. 



3 











8 







NW. 



75.9 



44.5 



60.2 



90 



24 



30 



11 



44 



.92 



.83 







4 







1 



1 







NW. 



June 



82.7 



51.2 



67.0 



94 



23 



38 



14 



40 



.27 



.10 







5 







2 











NW. 



July 



88.5 



53.5 



71.0 



98 



31 



42 



3 



42 



T. 



T. 















17 











NW. 



August 



88.6 



54. 9 71. S 



100 



13 



41 



24 



41 



.02 



.02 







1 







15 











sw. 



September... 



73.7 



42. 5 58. 1 



82 



27 



31 



12 



40 



.27 



.26 







2 











2 







NW. 



October 



68.4 



37. 3 52. 8 



83 



10 



30 



23 



46 



.31 



.22 







3 











5 







NE. 



November. . . 



47.8 



26.0136.9 



68 



6 



6 



23 



35 



2.33 



.85 



5.4 



7 



5 







23 







NW. 



December . . . 



37.3 



24.0 



30.8 



66 



12 



6 



31 



26 



1.24 



.49 



9.9 



9 



11 







22 







NW. 



Year.... 



63.9 



37.7 



50.8 



100 



{ Au fe} 



6 



PS} 



46 



8.07 



.85 



55.9 



57 



22 



" 



128 







NW 



i Occurring on more than one day. 



Note.— Precipitation includes rain and melted snow, hail, and sleet. " T" indicates trace of precipita- 

 tion. 



