326 METEOROLOGICAL REPORT, 1870, 



colour, a little to the S. of the zenith ; the last display lasted 

 from 6 p.m. till 10 p.m. 



Thermometer — Mean of daily minimum, 38' 87° ; lowest, 31° 

 on the 15th. Mean of daily maximum, 55'71° ; highest, 68° on 

 1st and 2nd. Mean of minimum and maximum, 47 - 29°. The 

 wet and dry bulb instruments not replaced till the 11th. 



Rainfall on twenty-two days, viz., 4 - 81 inches ; greatest fall, 

 1*52 inches on the 9th. 



Mean height of river, 2*5 feet ; highest, 5'5 feet on the 10th. 

 Wind— W., 10° N. 



Acklam, near Middlesbro'. — October began with foggy nights 

 and hot bright days. Magnificent display of Aurora Borealis on 

 the 24th and 25th. Daisies and dandelions were well out in 

 bloom. The farmers were very busy at the end of the month 

 with potato harvest and wheat sowing. 



Lunar Halos were seen at Wallington on the 13th ; at "Whitley 

 on the 13th ; at Sedgefield on the 9th and 13th ; at Sunderland 

 on the 13th ; at Darlington on the 13th. Solar Halos were 

 seen at Sunderland on the 13th, 15th, 16th, 18th, 21st, 27th, 

 and 31st. Aurora Boreales were seen at Otterburn on the 

 22nd, 24th, and 25th ; at Wallington on the 14th, 20th, 24th, 

 25th, and 28th ; at Alnwick on the 24th and 25th ; at Bothbury 

 on the 6th, 24th, and 25th ; at Cresswell on the 24th and 25th ; 

 at North Shields on the 24th and 25th ; at Sedgefield on the 

 24th and 25th ; at Sunderland on the 19th, 24th, and 25th ; at 

 Greta Bridge on the 24th and 25th ; at Darlington on the 24th 

 and 25th ; at Newcastle-on-Tyne on the 10th, 14th, 20th, 24th, 

 and 25th ; at Durham on the 1st, 14th, 24th, and 25th ; at Gain- 

 ford on the 24th and 25th. Lightning was seen, but Thunder 

 was not heard, at Wallington on the 26th and 27th ; at Allen- 

 heads on the 1st and 26th. Thunderstorms occurred at Seaham 

 on the 26th ; at Sunderland on the 26th. Hail fell at Walling- 

 ton on the 9th ; at Alnwick on the 9th ; at Whitley on the 26th ; 

 at Seaham on the 9th. Snow or Sleet fell at Wallington on the 

 9th ; at Gainford on the 9th. 



