198 



TABLES AND RESULTS OF THE T RE C I P I T A T I N, 



The ratios in the last column, which are derived from an aggregate of 525 years, 

 are represented by dots on diagram 2. The heavy continuous curve is drav^n 

 among these dots with a free hand. Comparing the curves at different places we 

 notice that any one of the tliree maxima may become the highest, while the prin- 

 cipal minimum, with hardly an exception, falls into midwinter. 



Type II. — Iliulson River Valley, Vermont, nurthcrn and western Keio Yurk ; from Newburg to 

 Burlington, and from Hanover to Fredonia. 



Characteristics: Two maxima, early in July and about uiicMle of October, and a princiijal minimum early in Feb- 

 ruary. Ordinary range between the extremes. 



Month. 



tj id 



•g ^ 



£ o 

 ;z; "^ 



(2 " 



it 



S ON 



3 ^ 



1 i 



.S f- 



jO 00 



1^^ 



3 . 



C S 











> V 



>, 



rt 0\ 



'6 





2 >, 



.S o> 



" 



i 



■ " n 



1=1 " 



January 



February 



March 



April 



May 



June 



July 



August 



Sept. 



October 



Nov. 



Dec. 



.91 



.72 



•85 



.69 



1.44 



lis 



1.21 



1.04 



.96 



i.iS 



1.05 

 .82 



1. 00 



.96 



.86 

 1.07 

 1.09 

 1.22 



1-31 



.76 



1. 17 



1. 00 



.96 



1.02 

 .69 



•95 



.78 



1. 18 



1. 21 



1.29 



.91 



•75 

 1.03 



^•i3 



1.08 



.82 



.69 



1. 12 



•79 

 1.07 



1.25 



1.27 

 .91 

 •74 



1-34 

 •95 



1.05 



•73 

 •50 

 .82 

 .98 

 1. 12 

 1.50 



1^43 

 1. 10 



•97 



1.07 



.89 



.91 



.82 



•79 



.82 



.91 



1. 16 



^•3i 

 1.29 

 1. 00 

 .98 

 1. 10 



•95 

 .86 



.72 

 .72 



.76 



1. 01 



1.23 

 1.29 



1.22 

 1.07 

 1. 12 

 1.04 

 1. 01 

 .81 



•S3 



■75 



.78 



.86 



1. 00 



1. 41 



1.28 



.91 



1.09 



1-15 

 1.02 



•93 



.78 



•55 

 .68 



•79 

 1-34 

 1. 21 



1-34 

 1. 10 

 1. 01 

 1. 10 

 1. 16 

 •94 



•85 

 .80 

 .89 



-93 

 1.03 

 1. 16 



I.OI 



1-13 



■94 



1. 19 



I.OI 



1.05 



.62 



•65 



.72 



•74 

 1. 16 

 1. 19 



1-54 

 1. 16 

 1.27 



^•3i 



.92 



•74 



.89 



•59 



•78 



•83 



1.02 



1. 41 



1-39 

 1.20 



I.OI 



1. 17 



.81 

 .90 



.80 

 .89 

 .Si 



•73 

 1.04 



1-25 



1.30 



.92 



1. 17 



1. 21 



.96 



•91 



.84 

 •78 



•79 

 .96 



•97 

 ^•35 

 1.38 

 1.06 

 1.02 



•83 



1.05 



.98 



1 



Month. 



5" 











" 





- 1 

 g >. 



< 



U >N 



g ON 



" 



g ON 





1 n 



Si 



Mean 



of 

 27 Sta- 

 tions. 



January 



Februar)' 



March 



April 



May 



June 



July 



August 



Sept. 



October 



Nov. 



Dec. 





85 

 91 

 71 

 77 

 00 



-3 



26 

 08 

 04 

 18 

 08 

 89 



I 

 I 



I 

 I 

 I 



92 



99 

 77 

 79 

 95 

 10 

 oS 

 88 

 28 

 29 



°S 



02 



•59 

 • 44 

 .62 



•71 

 1.26 



^•39 

 1.69 

 1.18 

 1.30 

 1.40 

 .81 

 .61 



•79 

 .69 

 .83 



•94 

 1.09 

 1.32 

 1. 25 

 1. 10 

 1.04 



1-13 

 .91 



.88 



.82 



■73 



•75 



•S3 



1. 19 



1. 41 



1.24 



1. 10 



1. 11 

 I. II 



.90 

 .82 





66 

 63 

 49 

 69 

 20 

 64 

 61 

 25 

 IS 

 26 

 82 

 61 



.87 

 •71 



•74 



.78 



1.20 



1.24 



1.09 



1-13 



1. 12 



1. 18 



■99 



•95 



•63 

 .61 

 .87 

 1.04 

 1.22 

 ^■33 

 ^■15 

 1.03 

 1. 18 

 1. 16 



•99 



.Si 



.62 



•44 



•70 



1.27 



1. 21 



1.24 



1.24 



1. 41 



1.06 



1. 19 



.88 



•75 



■53 

 .61 

 .70 



I.OI 



1.29 

 1.42 



^■33 

 1. 19 

 1.16 

 1. 10 



.89 

 •71 



•79 

 .81 

 .80 

 .92 



1. 11 



1. 12 

 1. 19 



.98 

 1. 14 

 1.20 



•99 



.96 



•58 



.70 



.89 



•97 

 1-15 

 1-34 

 1.30 

 I. II 

 I. II 

 1-13 



I.OI 



.70 



.67 



.60 



•65 



•63 



1.09 



1.26 



1. 10 



1.07 



1.46 



1. 41 



1.07 



•97 



.78 

 .69 



•79 



.86 



1. 14 



1.29 



1.28 



1.09 



1.07 



1. 17 



•97 



•87 



This curve, derived on the aggregate from 564: years of observations, is presented 

 on diagram 2. In a few exceptional cases, the second or autumn maximum sur- 

 passes the first or summer maximum in height, and the intermediate minimum 

 approaches that of midwinter. Compared with Type I, curves like those at Am- 

 herst and Williamstown would seem to indicate that, in proceeding from the 

 coast westwards, the ]\Iay maximum gradually disappears, while the two remaining 

 maxima occur nearly two months earlier. 



