1890.] Relations behveen the Hills and Plains of Northern India. 



31 



The following gives the daily range of temperature on six days of 

 the month during these stormy weather periods. 



Date. 



Mnrree. 



Rawalpindi. 



Simla. 



Ludhiana. 



Ranikket. 



Bareilly. 



11th 



12'0° 



28-5° 



9-2° 



231° 



17-2° 



24-9° 



13th 



14-0° 



27-7° 



21-9° 



18 5° 



19 3° 



23-9° 



23rd 



33° 



156° 



14-3° 



139° 



18-1° 



22-4° 



24th 



10-5° 



29-2° 



10-6° 



14-6° 



24-3° 



7'8° 



30th 



84° 



7-7° 



14-5° 



9-4° 



212° 



10-4° 



31st 



59° 



10-2° 



15-5° 



17;6° 



25-3° 



19-9° 



Average 















daily range 

 daring se- 

 lected pe- 

 riods 



90° 



195° 



14-3° 



16-2° 



20-9° 



18-2° 



Normal 















daily range 

 of month... 



12 3° 



25-4° 



14-8° 



24-l° 



14-5° 



24-2° 



The figures show that at such periods the daily range is slightly 

 diminished at the hill stations, but is very greatly reduced at the plain 

 stations. 



The following table gives the variations from the normal of the maxi- 

 mum and minimum temperatures on the same dates at the hill stations, 

 a plus sign indicating excess and a minus sign defect. 





Simla. 



Murree. 



Chakrata. 



Date. 



Maximum. 



Minimum. 



Maximum. 



Minimum. 



Maximum. 



Minimum. 



11th 

 13th 

 23rd 

 24th 

 30th 

 31st 



-33° 



-0-3° 

 -0-3° 

 -8-4° 

 -6 0° 

 -9-3° 



+ 1-6° 



-7-4° 

 -0 4° 

 -4-8° 

 -4-9° 

 -9-7° 



-6-2° 

 -6-2° 

 -8-7° 

 -3 5° 

 -8-4° 

 -13 1° 



-5-9° 

 -7'4° 

 -0-8° 

 -3-2° 

 -4-7° 

 -6-5° 



-28° 



+ 3 6° 



+ 16'8° 



' +4-2° 



+ 2-2° 



-10-7° 



+ 0-8° 

 + 1-8° 

 + 2-4° 

 -0-9° 

 -3-2° 

 -5-0° 



Mean. 



-4-6° 



-4-3° 



-7-7° 



-4-8° 



+ 2-2° 



-0'7° 



This table shows that during these pei^iods the night and day tem- 

 peratures at the hill stations were considerably reduced below the normal 

 and by nearly equal amounts. 



