Snow, sleet, or rain fell on ten days or nights.
The prevailing wind was north or north-west.
As a rule there was no wind in the early morning; it generally rose about nine o'clock.
Sometimes dropped again during the early part of the afternoon, and nearly always blew hard again in the evening, only to drop again after dark.
The coldest night was on the 10th July (Camp 51), with 26° of frost.
The warmest night was on the 29th July (Camp 70), with 1° of frost.
On the average there were 11° of frost at night.
August.
Camps 72 to 102.
There were eleven fine days and eighteen with rain or snow, the greater portion of which fell during the night. The wind was variable. During the latter part of the month there were several severe storms, and many others passed by north and south of us. These storms generally burst over us in the afternoon or evening, coming up against the wind, from the west.