BY THE EEV. B. F. WHEELEE, M.A. 315 



20th. Average of the mouth 45°. There was a very favourable 

 contrast between April 1870, and April 1869, in reference to the 

 effects of frost on vegetation. Nothing was injured in 1870. 



North Sunderland. — A dry seasonable month, though cold at 

 nights, with sudden variations in temperature, especially about 

 the 25th and 28th. Rain on nine days. 



Wylam. — A fine month with a good deal of wind, especially 

 towards the end. 



Barometer — Mean height, 30-035; highest, 30-477 on the 3rd ; 

 lowest, 29-347 on the 9th. 



Thermometer — Mean of daily minimum, 38*57° ; lowest, 29° 

 on the 3rd, 5th, and 6th. Mean of daily maximum, 58-63° ; 

 highest, 74° on the 21st. Mean of minimum and maximum, 

 48-60°. Mean of wet bulb, 41-37° ; of dry bulb, 44-82°. 



Rainfall on five days, viz., 1-01 inches. 



Mean height of river, 1-7 feet; highest, 2-2 feet on the 11th, 

 12th, and 13th. Wind— W., 3° S. 



Whitley. — Unusually dry month. Much wind during the last 

 fortnight. Vegetation very backward. 



Lunab Halos were seen at Wallington on the 11th, 12th, and 

 13th; at Sedgefield on the 11th; at Sunderland on the 11th and 

 13th ; at Darlington on the 12th. Solab Halos were seen at 

 Byrness on the 10th ; at Wallington on the 13th, 14th, and 

 21st; at Sunderland on the 2nd, 8th, 10th, 12th, 13th, 15th, 

 17th, 20th, 21st, and 23rd. Aueob.3 - Boeeales were seen at 

 Byrness on the 5th ; at Wallington on the 28th ; at Cresswell 

 on the 22nd ; at Sunderland on the 5th, 21st, 22nd, 25th, and 

 28th ; at Greta Bridge on the 19th ; at Newcastle- on -Tyne on 

 the 26th ; at Durham on the 21st and 22nd. Hail fell at Byr- 

 ness on the 10th and 30th ; at Wallington on the 27th ; at 

 Rothbury on the 3rd ; at Cresswell on the 11th and 27th ; at 

 Acklam, near Middlesbro', on the 28th. Snow or Sleet fell at 

 Wallington on the 26th; at Rothbury on the 27th-29th ; at 

 Cresswell on the 27th ; at Sunderland on the 28th ; at Gainford 

 on the 28th. 



