1878 Dublin Journal of Medical Science  
Periscope. 445 lowest temperature of the month in Dublin was recorded on the night of the 20th, when--the air being dry, calm, and clear--the sheltered thermometer fell to 40 ~ and the exposed thermometer almost to freezing point. On the night of the 23rd hoar-frosts occurred over central England. The last four days of the month were warmer. On the 29th a well-marked depression advanced over Ireland and England from the Atlantic, causing a heavy rainfall with thunder and lightning at many
more » ... tning at many stations. In Dublin the wind veered from S.S.E. to N.W., with thunder, lightning~ and heavy rain in the early morning hours of the 30th. Slight fogs were observed on the 4th~ 5th, and 29th.
doi:10.1007/bf02970734 fatcat:azci3mj6gfcqxchkqdcnmc3iom