METEOROLOGICAL OBSERVATIONS ON BEN NEVIS. 167 
TABLE I.—continued. 
1895 | Jan. Feb. |Mareh! April | May | June | July | Aug. | Sept. | Oct. | Noy. | Dec. | Year 
Rainfall in Inches. 
BenNevisOb-| 6S9| 3:54] 14:32] 11-73) 3°69) 3:97 | 10°79) 12°76; 8-95) 12°07) 13°88| 15-41 )118-00 
servatory | " | | | 
Fort William | 2 70| 1:15 | 5°55 | 5°26 "2° -07 | 3°04) 4°89) 9°37} 5:52) 4°78 847) 7:65 60°43 
Differences .| 4°19] 2-41{ 877! 6-47| 162; U93| 5:90] 3:39] 3-43) 7-29| 5:41] 7:76, 57°57 
Number of Days 1 in. or more fell. 
Ben Nevis Ob- Teel ee 5 4 ii 1 3.) 4 7a a 6 4 | 36 
servatory | | 
Fort William 0 i) 1 |3z0 0 0 0 | 2 1 Oy 2 2). 8 
Differences . 1 | 2 4 t4 1 1 ‘3 2 1 | 3 4 2 28 
Number of Days of no Rain. 
Ben NevisOb-| 11 19 fell ome el aang 12 ae yd 4. 12 6 9 10 , 125 
servatory | | | | | 
Fort William}; 13 20 8 12 | 18 i8 = came Ae TS 18 12 | 10 154 
Differences.) 2 | 1 do Lace iad eee I te de f78: | pa ee laa 
Mean Rain-band (scale 0-8). 
BenNevisGb-; 0:9 0:8 20 25 23. 32 | 34 | 43 | 2:7 27, 18 14 2°3 
servatory | / | 
‘Fort William] 23 | 17 | 33 | 37 | 36 | 42 |.53 | 5-0 | 44) 26 | 31 | 36) 36 
Differences .} 16 | 0:9 13 12 13 Oi t 9 | 08 Et” i Ok 13 18 | 1:3 
Number of Hours of Bright Sunshine. 
BenNevisOb-; 29 83 | 20 82 | 139) 149] 24 |; 25 | 74 41 26] 3 695 
servatory | 
Fort William 49 101 72 113 197 208 75 58 102 104 45} 8 | 1,132 
Differences .| 20 18 52 31 58 59 bl | 33 28 63 19 5 437 
: Mean Hourly Velocity of Wind in Miles. 
Ben NevisOb-| 21 | 18 18 16 16 5 eh a Fes ec. | 15 19 | 28 16 
servatory { | \ i 
Percentage of Cloud. 
BenNevisOb-{ 84 | 60 | 95 81 75 70 95 94 | 79 82 80 95 82 
servatory | 
Fort William | 66 45 81 73 64 65 87 87 69 70 65 81 a 
Differences .| 18 15 14 8 11 5 8 7 10 1l 15 14 | i 
At Fort William the mean temperature of 1895 was 46° 0, being 02-9 
less than the annual mean of previous years. The mean temperature at 
the top of Ben Nevis, was 30°-7 or 0°-7 less than the mean for the same 
years. This was the deficiency for the year over a wide district of Scot- 
land surrounding Ben Nevis. 
The following shows the departures from the mean temperatures during 
the great cold of the first two months of the year :— 
TaBLe IT. 
Mean Temperature. || Departures front ean | 
Jan. Feb. Jan. Feb. | 
° fe} oO 
Fort William Observatory . : 32:4 30°9 -61 —76 
Ben Nevis Observatory . ° * 175 18-7 —63 —47 
These very different results for the two months are a good example of 
the striking weather differences observed at the top and bottom of the 
mountain respectively, under different types of weather, or under cyclonic 
or anticyclonic conditions, Thus in January the weather usual to the 
