EXPLANATIONS AND REMARKS. 



Table of corrections for daily variation of temperature, etc Continued. 



9m N. 9a 

 9m 3a 9a 



Or 9„ 3a 9a 



Or N. 2^ 6, 



Or N. 0, IO„ 



Or 2a Os 9a 



3m 9m 3a 9a 

 ^m 9m 3a ^a 

 6m 9m 3a 9a 



7m 2a 9a Wa 



—0.6 

 —0.4 



— 0-3 

 —0.5 

 —0.9 



+0.1 



—1.6 



—0.5 

 —0.9 

 —0.9 



0.0 



—0.4 

 +0.1 



—0.8 



—0-3 

 —0.8 



—1-3 



+0.2 

 —1.9 

 —0.4 

 —0.9 

 —0.9 



+0.2 

 0.0 



—1.6 



+0.1 

 — 2.1 

 — 0.1 

 —0.7 

 —0.6 



— 0.1 

 —0.8 

 +0.1 

 +0.1 



—1.6 

 — I.I 



—1-3 

 — 2.0 



+0.1 

 —2.6 

 +0.2 

 —0.5 

 —0.5 



— 0.1 



—1.4 



+0.1 



0.0 



—1-5 

 — I.I 



—1-7 



—2.4 



-1-0.2 

 —2.7 



-fo.6 



0.0 

 -2.0 



—2.4 



—1-7 

 — 1.2 

 —1.9 

 —2.6 



-ho. I 

 —2.9 

 -1-0.9 

 -ho. I 

 +0-3 



0.0 



— 2.1 



— °-3 



— 0.2 



2.2 



— 1.6 



— I.I 



— 1.9 



—2.4 



+0.1 

 —2.8 



+0.9 



+0.2 



+0.5 



0.0 

 — 2.0 



—1.9 



—1-3 



—0.9 

 —1.6 

 — 2.2 



+0.1 

 —2.9 

 +0.4 



0.0 



— 1.7 

 — 0.1 

 +0.1 



—J. 6 

 — 1.2 

 —0.8 

 —1.4 



+0.1 

 —2.6 

 — 0.1 

 —0.7 

 —0.8 



— O.I 



—1.4 

 +0.1 

 +0.1 



-0.2 

 -0.9 

 0.0 

 0.0 



0.0 

 -1.6 



-0-5 

 -0.9 

 -0.8 



-0.1 

 -0.5 

 0.0 

 0.0 



—0.5 

 —0.4 



—0.3 

 — 0-5 



+0.1 



—1-5 

 —0.6 



—0.7 



0.0 

 — 0.2 

 +0.2 



— 1.42 

 — 1.02 

 — °-73 

 — 1.23 

 — 1.76 



+0.10 

 — 2.29 

 +0.03 

 —0.56 



— 0.06 



—1. 16 



0.00 



—0.03 



' For New York University System ; derived from observations at Toronto and Mohawk. 



