28 
CLIMATE OF THE REGION 
miles across the lake, from the mouth of Genesee river to Coburg in (panada (not including 
three made near the shores), and about a foot below the surface. 
May 14 & 15 
39°. 31 
“ 21 & 22 
39.00 
June 19 
47.50 
Aug. 7 
66.00 
Sept. 4 
60.25 
Oct. 16 
53.12 
Nov. 13 
45.75 
Prof. Dewey accounts for the 
low temperature in May, by the 
melting- of the ice on Lake Erie. 
Y. THE REGION SOUTH AND SOUTHWEST OF THE VALLEY OF THE 
MOHAWK. 
Localities of observation. Pompey, Homer, Cazenovia, Hamilton, Bridgwater, Oxford, 
Hartwick, Cherry-valley, Delhi. 
TABLE I. Comparison between calculated and observed temperatures. 
LOCALITIES. 
1 
Number of 
years 
observed. 
Latitude. 
Elevation. 
Temperature 
due to latitude 
ana elevation. 
Observed 
temperature. 
Variation of 
observed from 
calculated 
temperature. 
j Pompey. 
16 
42° 56' 
1300ft. 
44°.09 
42°.91 
— 1°.18 
! Homer . 
10 
42 38 
1096 
45.16 
44.17 
— 0.99 
Cazenovia.. 
14 
42 55 
1260 
44.23 
43.58 
— 0.65 
Hamilton. 
11 
42 49 
1127 
44.77 
44.32 
— 0.45 
Bridgwater. 
• 4 
42 55 
1286 
44.15 
43.82 
— 0.33 
Oxford . 
13 
42 28 
961 
45.82 
44.91 
— 0.91 
Hartwick. 
11 
42 38 
1100 
45.15 
45.46 
+ 0.31 
Cherry-valley. 
13 
42 48 
1335 
44.20 
44. IS 
— 0.02 
Delhi ... 
3 
42 16 
1384 
44.92 
44.59 
— 0.33 
TABLE II. Comparison of mean temperature , and annual extremes of heat and cold, with the average of the 
State during the same years. 
FACTS OBSERVED. 
Pompey. 
14 years. 
Homer 
11 years. 
Cazenovia. 
12 years. 
Hamilton. 
10 years 
Bridgwatei 
4 years. 
Oxford; 
15 years. 
Hartwick. 
9 years. 
Cherryvalley 
12 years. 
Delhi. 
4 years. 
Mean temperature .... 
— 3°. 52 
— 2°. 32 
— 2°. 91 
— 2°.17 
— 2°.67 
— 1°.58 
— 1°.03 
— 2°.31 
— 1°.90 
Mean annual maximum, 
— 4.43 
— 1.36 
— 1.42 
4- 0.70 
— 0.00 
— 0.14 
— 2.38 
— 2.08 
— 0.00 
Mean annual minimum, 
-f- 0.93 
— 4.91 
— 7.00 
—10.60 
— 7.75 
—10.67 
— 5.88* 
— 7.25 
— 6.50 
Mean annual range.... 
— 5.36. 
-f- 3.55 
-f 5.58 
4-11.30 
+ 7.75 
-f-10.53 
-4- 3.50 
4- 5.17 
-f- 6.50 
* The observation for 1835 rejected, on account of supposed errors. 
