NO. I 



WEATHER DOMINATED BY SOLAR CHANGES ABBOT 



17 



Table 5. — Periodic .hialysis of lVasliiiigto)i Temperature Departures — (cont'd) 



Periodicities 

 Degrees x lo I'^ahr. 



68 ni 



1924 Jan —3 



Feb —4 



Mar — 5 



April —6 



May —7 



June — 8 



July —9 



Aug — 10 



Sept — II 



Oct —12 



Nov — 13 



Dec — ^14 



1925 Jan —14 



Feb —15 



Mar —15 



April — 16 



May — 15 



June — 15 



July —15 



Aug —14 



Sept — 14 



Oct —13 



Nov — 13 



Dec — 13 



1926 Tan — 12 



Feb —12 



Mar —II 



April — 10 



May — 9 



June —8 



July —7 



Aug —6 



Sept — 4 



Oct -3 



Nov —I 



Dec o 



1927 Jan 2 



Feb 4 



Mar 6 



April 7 



May 8 



June 9 



July 10 



Aug II 



Sept 12 



Oct 12 



Nov 12 



Dec 13 



1928 Jan 13 



Feb 13 



Mar 12 



April 12 



May 12 



June II 



July i\ 



Aug 10 



Sept 9 



Oct 8 



Nov 7 



Dec 6 



1929 Jan 5 



Feb 4 



Mar 3 



April 2 



May I 



June o 



July —I 



Aug —2 



Sept --3 



Oct —4 



Nov —5 



Dec —6 



—8 

 —3 

 10 

 6 

 —16 

 —3 

 — I 

 —7 

 —8 

 —3 



—8 

 —3 



ID 



6 

 — 16 

 —3 



—8 

 3 



Sum 



1-3 

 0.9 



0.8 

 -"•3 



10 — 



6 — 



-16 — 



—3 ' 



1-3 

 2.6 

 4-5 

 35 



-0.4 

 0.9 

 1-3 

 1-3 

 1-5 

 1-5 

 0.6 



-1.4 



- 1 — 2. . 



-3.8 



-2.9 



-1.6 



0.6 



0.7 



-0.9 



-0.2 



0.6 



i-S 



30 



3--J 

 4.6 

 4-1 

 1-3 

 2.1 

 2-7 

 4.0 

 2.2 



I.O 



2.6 



31 



0.6 

 0.4 

 0.7 

 0.4 

 1.0 

 -'•4 

 4.8 

 4-2 

 •2.3 

 4-2 



4-4 

 2-7 



2.6 

 30 



1-.=; 



3' 

 1.9 

 0.8 

 I.I 

 1.9 

 2.9 

 0.9 



Original 

 data 



1.8 



— 1-7 



—0.6 



— 1.2 



—3-9 



—1.9 



—30 



— 2.0 



—4.4 



3-3 



1-7 



0.6 



7-3 

 4-9 

 38 



-3-4 

 4.2 

 0.1 



-1.6 

 50 



-3-9 



-3-2 



-1.2 



2.5 



-4.1 



-0.2 

 1.8 

 1-3 

 1-3 

 0.7 

 0.4 



5-7 

 4-7 



-1.2 

 IS 



-3-5 



4.4 

 6.6 



2.9 



9 

 9 

 4 

 8 



3 

 4 

 7 

 9 

 6 



S 



3 



1.2 



-f'-S 



3-7 



4-5 

 0.4 



-2.0 



-0.4 



2-5 



