326 SCOTT'S LAST EXPEDITION 
Maximum WIND 
The maximum wind is obtained as follows: 
(a) Cape Evans. The highest amount of wind recorded 
in a complete hour; higher winds were always recorded in gusts. 
(b) Framheim. The highest recorded reading of the hand 
anemometer. 
(c) Cape Adare. The highest Beaufort number reduced to 
miles per hour. 
POTENTIAL GRADIENT 
The values are the mean of those obtained during fine 
weather reduced to volts per metre over a level surface. 
Care EvANs 
Wind, |28 
Barometer, Inches. Temperature, ° F. Miles per | $8 
Hour on 
HO 
IQII. Mean. Max. Min. Mean. Max. Min. wae ep a 
Feb. 29°31 | 29°74 | 28°96 18°7 33 0 | 23°64 On 
March | 29°21 | 29°51 | 28°85 i ie 23 — 7 ).25°77) ee 
Piaget | 20°32 || 20,60) GS eeu) — Fr 13 —18 | -15°o |) aoe 
May 29°23 | 29°84 | 28°26 | —10°8 14 — 20. | 12"O:) 54 
June 29°11 | 20°82) 26'G5) = —a275 ay —37 | 13°2 | SO ieee 
July 20°08 | 20755 2852) \-5- arr 8 —50 | 185} 66 | 34 
Aug. 29°19 | 29°72 | 28°64 | —20°8 rs —42 |-16°7.) 60) je 
Sept. | 29°16 | 20°85-| 28°29 | —a15°8 II —37 | 14°5:| 57 oe 
Oct. 28°89. 1.26770) 20°20 )0—-aeek 8 —20 | 17°90) 5OmeE 
Nov. | 29°63 | 30°15 | 28°98 | +1274 26 — 2 | 16°) | eee 
Dec. 20°75 | 30°08 | 26°08. 4-22 70N eae + 8 | 14°7:) 48 \eop 
Igt2. 
Jan. | 29°43 | 29°74 | 29°05 | +21'4| 39 | +10 | I0°9| 54 | 68 
