Page:Proceedings of the Royal Society of London Vol 60.djvu/142

Rh

Forenoon. Afternoon. Series Barometric of obser- pressure, N umber Mean Mean Number Mean Mean vation. in inches. of obser- pres- potential of obser­ pres­ potential! vations. sure. at A. vations. sure. at A.

T J > 3 0 12 30 -20 178 4 30-21 119 ; 1 1 < 3 0 6 29-69 136 3 29-71 172 TT J > 3 0 9 30 -20 279 6 30-20 184 11 1 < 3 0 15 29-64 199 14 29-58 179 TTT J > 3 0 8 30-23 108 6 30-27 1 103 111 1 < 3 0 8 29 -81 96 8 29 -75 104 > 3 0 6 30 -35 315 5 30 -33 233 tv | < 3 0 7 29-69 238 5 29-64 201 All f > 3 0 35 30*23 212 21 30-25 160 ; com- < bined ^ < 3 0 36 29-69 173 30 29-65 162

Table XXII. Arrangement according to Wind Velocity. Series of observations. W ind velocity, miles per hour. Forenoon. Afternoon. (Number of observations. Mean velocity. Mean potential. Number of observations. Mean velocity. Mean poten- j tial.

t r 10 or > 10 1 3 16 -6 174 3 16-7 142 | 1 i < 10 5 4-2 140 4 3-2 141 ! IT J 10 or > 10 11 17 -7 159 13 17-8 179 11 i < 10 13 5 1 289 7 5-9 183 ITT J 10 or > 10 6 15-0 85 11 15-6 101 III | < 10 10 6-3 112 3 5-3 111 TV J 10 or > 10 5 16-2 155 1 14 0 197 I V | < 10 8 4 -4 347 9 6-8 219 j All f 10 or > 10 35 16-6 151 28 16-7 145 com- < bined ^ < 10 36 5-1 232 23 5-7 180