330 METEOROLOGICAL REPORT, 1870, 



veered to southward and a rapid thaw set in, accompanied by a 

 heavy fall of rain and a high gale of wind. The brooks and 

 streams were flooded. The 20th was a remarkably fine day, 

 maximum temperature 48°, but towards night a great change set 

 in and there was a heavy snow storm. Boisterous and cold 

 weather continued till the 30th. Frost was recorded on twenty- 

 three nights. The lowest minimum temperature was 3° on the 

 30th. The greatest maximum temperature 48° on the 20th. 

 The year closed with an intense frost, the thermometer standing 

 at 5° at 12 p.m. on the 31st. 



North Sunderland. — Eemarkably wet, cold, and stormy month. 

 The frost on the night of the 31st was more severe than had been 

 experienced in any year since 1860. Rain on twenty-five days. 



Wylam. — A dull wet month. The barometer fell (with the 

 exception of a rally on the 8th and 9th) from 30*636 on the 1st, 

 to 28-839 on the 14th ; and from the 3rd to the 10th, 3-20 inches 

 of rain and (melted) snow fell. 



Thermometer — Mean of daily minimum, 27*63°; lowest, 8° 

 on the 23rd. Mean of daily maximum, 40*30° ; highest, 52° on 

 the 20th. Mean of minimum and maximum, 38*97°. Mean of 

 wet bulb, 31*36° ; of dry bulb, 32*85°. 



Fall on twenty days, viz., rain, 3*04 inches ; melted snow, 1*79 

 inches, = 4*83 inches ; greatest fall, 0*52 inch on the 10th. 



Mean height of river, 3*27 feet; highest, 11 feet on the 15th. 

 Wind— N.W., 30° N. 



Acklam, near Middlesbro'. — A very stormy month. Very 

 unfavourable for out- door work. Wheat sowing was brought 

 to a close about the middle of the month. The earlier sown 

 wheat was well up and looked promising. The year closed 

 with frost and snow. 



A Lunar Halo was seen at Sunderland on the 12th. A Solar 

 Halo was seen at Sunderland on the 16th. Aurora Boreales 

 were seen at Wallington on the 14th, 15th, and 17th ; at Cress- 

 well on the 16th ; at Seaham on the 17th ; at Sunderland on 

 the 14th, 18th, 22nd, and 26th ; at Darlington on the 17th ; at 

 Durham on the 14th, 15th, and 17th. Lightning was seen, but 



