The last twelve days of January rule the weather of the whole year.
When there are three days cold, expect three days colder.
The twelve days commencing December 25th and ending January 5th are said to be the keys of the weather of the year.
Wednesday.
Wednesday clearing, clear till Sunday.
When the sun sets clear on Wednesday, expect clear weather the rest of the week.
Thursday.
The first Thursday in March, the first Thursday in June, the first Thursday in September, and the first Thursday in December are the governing days for each season. Whatever point of the compass the wind is on these days, that will be the prevailing direction of the wind for that season.
If it storms on the first Thursday, or any subsequent, of a month, count the remaining days of the month, add to this the number of days remaining of the moon, and they will give the number of storms for that season. (Wm. R. Ryan.)
Friday.