July.
Camps 42 to 72.
There were twenty-one fine days and ten stormy or cloudy.
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.