322 



Prof. Frankland on some Winter 



[May 7, 



At Greenwich the readings were, with blackened bulb in vacua : 

 maximum 8-8 C. (47'9 Fahr.) ; at 9 A.M., 6'7C. (44 Fahr.) ; at noon 

 and at 3 P.M., 8'8 C. (47' 9 Fahr.). The maximum in the shade was 

 8-2 C. (46-7 Fahr.), and the minimum on grass in the shade 4 C. 

 (39-2 Fahr.). 



December 27th. A cloudless morning and deep blue sky. Eight 

 minutes before sunrise the thermometer on the snow indicated 17'2 C. 

 At 10.25 A.M. the black bulb in vacua registered in the sunshine 36-5 C. 

 and at noon 38'5C. The afternoon was cloudy and no observations 

 were made. 



At Greenwich the readings were, with blackened bulb in vacua : 

 maximum 13-6C. (56-4 Fahr.) ; at 9 A.M., 7'5 C. (45-5 Fahr.) ; at 

 noon 6-2 C. (43-l Fahr.) ; and at 3 P.M. .13- 6 C. (56-4 Fahr.). The 

 maximum in the shade was 8'4 C. (47'2 Fahr.), and the minimum on 

 grass in the shade -3-7 C. (25-3 Fahr.). 



December 28th. At 4.30 A.M. there was a violent storm of wind with 

 snow ; afterwards moderate wind with snow until the afternoon. The 

 barometer stood at 615 millims. At 2 P.M. the blackened bulb in vacua 

 registered 28 C. in sunshine. 



At Greenwich the readings were, with blackened bulb in vacua : 

 maximum 0'7 C. (33-2 Fahr.) ; at 9 A.M., - 0-5 C. (31-1 Fahr.) ; at noon 

 and at 3 P.M. 0'7 C. (33-2 Fahr.). The maximum in the shade was 0-6 C. 

 (33 Fahr.), and the minimum on grass in the shade was 8*4 C. (16*9 

 Fahr.). 



December 29th. Sky deep blue and quite free from cloud during the 

 whole day. Barometer 620 millims. At 8 A.M. the thermometer on the 

 snow stood at 22'2 C. A spirit thermometer (not verified), 4 feet from 

 the ground, indicated 22-l C. At noon the thermometer in the shade 

 stood at 18*1 C. The following observations were made with the 

 blackened bulb in vacua : 



At Greenwich the readings were, with blackened bulb in vacua : 

 maximum 28'4C. (83-2 Fahr.); at 9 A.M., -l c -6 0. (292 Fahr.) ; at 

 noon, 28-3 C. (82-9 Fahr.) ; and at 3 P.M., 28-4 C. (83-2 Fahr.). The 

 maximum in the shade was 4-2 C. (39- 5 Fahr.), and the minimum on 

 grass in the shade was -9-6 C. (14-8 Fahr.). 



December 30th. Sky deep blue and perfectly free from cloud during 

 the whole day. Barometer 621'7 millims. At 8 A.M. the thermometer on 

 the snow stood at - 26-4 C. ( 15-5 Fahr.). A self-registering minimum 



