r 4 ] 
the Room having had no Fire in it this Seafon) at 
fgr. nearly above o. , 
On Tuefdaj Morning, at 4* 20', when I got up, 
I found the Barometer at 30. T oo Inch j the 
Thermometer without at ij\.gr. 4 below o ; that 
within at igr. 4 above o. I was much furprifed hereat, 
and before 1 had finifhed my Entry I returned to re- 
new my Obfervation, fearing I might have made a 
JV.'Ulakc, but found I had not: At 7“ 40' the fame 
Morning, upon opening my Study-Window, I ob- 
fetved the Sky to look red and lowering ; this induced 
me tq go up to examine my Glades,. hifpeciing there 
mi-Tu be a Change, and foupd the Barometer fallen 
to 30. the Thermometer without rifen to 
beiOw freezing Point, but that within fallen to 
jgr. jabovc j the Wind getting about to W. and 
f ^Y- ( [an^>befpre 10 in the Morning we had fomc 
iih, a^jjins fevere Froft went off. At this laft- 
mennon’d Hour the Thermometer without had rifen 
to jgr. above o; that within continuing at igr. as 
before. At 8 h 4 that Evening the Thermometer 
vyithout .>Yas- at no lefs than 12 gr. above, o, that 
within" at jg r, above o: So that from that time I 
rha^e rpy Obfervation at 4* 20' in the Morning to 
8* 4 at Night, there was a Change in the Tempera- 
ture of the Air abroad of 26 gr. 4 ; while the Change 
within -doors did not amount to more than Vr. 
Warmer. 
I yvil^trefpafs no further on your Goodnefs, than 
(after have made this one Remark, that it feems pro- 
bable from hence, that we may have frequently had k 
greater Extremes of* Heat and Cold by far, than 
have 
