274 
Meteorological Observations at Hudson, Ohio. 
During the summers of 1839, 1840, ’42 and ’43, that is a 
summers out of seven, the thermometer did not rise to 90°. 
entire range of the thermometer in seven years has been sen 
—10-1° to 93°, =103°19. 
The following table shows the maximum and minimum tem- 
perature of each month for the seven years. 
° ° °o ° ° 
March,|76"1 | 5° 80 | 5-4177-4 |17-5)5 
April, |83°5 |2):: 5-0 |25-2183-6 |23- 
May, 1/326 [84:5 |26-7}76-8 |33- 
June, |87°8 |51° “0 |39-8 90-0 |45:5)83-4 |35- 
uly, {92-0 [55° 7 |85°3 |93-0 |53°9187-7 |44- 
ug., |90-8 [58° -0 152-0 190-5 |50-2184-6 |45-4)86-4 [53-0 
ept., (81-6 (36: 6-9 |33°6 |88°6 |38-6|86-0 |34-4187-8 33:5 
t, (74-5 [23 733 |22-4 [73-4 |24-9171-5 |30-7/69-2 (25-0 
Nov., |62:8| 8: 75 |20°6 |75:0 | 19:5}68-6 | 6° 145 
Dec, |16-6| 5- 21| 93 [566 | 881502 | 5: 120 
an., {57-6 |-2° 5:1 |-10-1158°8 | 7-0162-2 | 5- 30 
Feb. |621| 1: 2| 0-6 162-4! 8°6153-3 |-7: 30 
iS) 
BSSIESSS 
uo 
SS Beas 
mH S wD -~VD 
1833, 3 3. 
Ground last white white with pee epril s 21. arch 9. April 1. |April id. Feb. is. April 9. March 2. tar archi 
Plum trees in an May pao oeng “18. |May 15. — 9. [May 8. |April 9. April 25. 
Last flakes of s now, +6 OT, 13. e 10.\June 1.|March 30.)M ay 3. 
‘ ay 14. |Junes.| “ 8. ve . May 22. 27, 
unel6. | “ 16, |June 16. July 2 June 11. pie 
First frost, Sept. 3. |Aug. 29. |Sept. 12./Oct. 1.4 * Sept 28. Sept. 23. |Sept. 16. 
First severe fros' So wept 4, | Ped J Sept. et. 5. 8. = 
Nov, 7. jOct.24.| * 24. [Oct 15.] © 8, / ‘27. |Oct. 21 
cae # 26.1. 24. INov. 9. | * 14. 2. ie 
_ Ser every Gia in my 
t Frost is to have ‘head seen on low grounds earlier than this. 
The following table exhibits all the cases in which the ther- 
mometer has been 25° above the dew point, all occurring at 3 
P. M. 
Date. 
1841, March 9, 
“cc 66 
18, 
“cc “ce 19, 
April = 22, 
“May 16, 
“Aug. 7, 
1842, March 16, 
“ “ce ; 
29, 
1, 
a 
“ “s 
“April 
a4 ce . 
Ther. above hygrom, 
270° 
I have also given the interval between each of these dates 
and the next subsequent rain. 
Rain followed. 
in 18 hours. 
A days. 
3 te 
4 ii 4 
4 ee 
16 hours. 
4 days. 
3 9 
17 hours. 
33 “c“ 
9 
“ 
