CONVECTION AND SEMI-DIURNAL WAVES 
103 
l 25, TABLE 24 
, will The Semi-diurnal Temperature Waves in the Strata 400 to 2,500 
, r Meters, Together with the Single Diurnal Temperature Wave 
1 at the Surface 
urnal 
urnal 
2 
T 
P 
2 
-(<2i-<2o) 
T 
P 
g 
— (<2i-<2o) 
Z A.M. 
O A.M. 
in all 
2500 
281°.0 
75464 
3.0 
+ 151.8 
280°.8 
75466 
6.0 
+140.2 
urnal 
2000 
285. 0 
80153 
4.0 
+ 131.9 
284 .2 
80162 
7.0 
+ 120.1 
1500 
288 .6 
85080 
5.0 
+ 111.9 
287 .5 
85104 
7.0 
+ 97.6 
, and 
1000 
291 .9 
90230 
5.0 
+ 38.5 
290 .6 
90288 
6.0 
+ 34.9 
wave 
800 
293 .6 
92368 
5.0 
+ 40.2 
292 .3 
92428 
5.0 
+ 33.1 
600 
295 .0 
94530 
4.0 
+ 30.0 
294 .3 
94604 
4.0 
+ 25.8 
rface, 
400 
295 .8 
96743 
4.0 
+ 16.1 
295 .4 
96820 
4.0 
+ 13.2 
200 
293 .7 
99018 
3.0 
- 11.7 
293 .4 
99095 
3.0 
- 15.8 
the 
000 
231 .7 
101349 
2.0 
291 .0 
101440 
2.0 
oancy 
10 A.M. 
2 p.m. 
; that 
egree. 
2500 
280°.7 
75462 
9.4 
+ 144.2 
280°.9 
75462' 
9.7 
+ 146.7 
Id be 
2000 
284 .0 
80173 
9.4 
+ 114.2 
284 .8 
80162 
10.3 
+ 133.0 
rough 
1500 
287 .0 
85112 
9.4 
+ 87.4 
288 .8 
85084 
10.6 
+ 133.0 
1000 
289 .5 
90313 
8.3 
+ 23.0 
292 .6 
90228 
9.2 
+ 49.2 
ipera- 
800 
291 .0 
92460 
8.1 
+ 19.7 
294 .8 
92355 
8.7 
+ 49.2 
600 
292 .5 
94656 
7.9 
+ 18.9 
296 .9 
94510 
8.3 
+ 49.9 
rlace, 
400 
294 .5 
96886 
7.6 
+ 16.2 
299 .0 
96703 
7.9 
+ 52.2 
stem. 
200 
296 .2 
99154 
6.0 
+ 23.4 
300 .5 
98930 
7.0 
+ 52.2 
•ature 
000 
297 .7 
101459 
4.0 
301 .3 
101214 
5.0 
daily 
6 P.M. 
10 p.m. 
losses 
meral 
2500 
281°.5 
75458 
8.0 
+ 159.3 
280°. 8 
75466 
5.0 
+ 142.0 
1 axes 
2000 
286 .0 
80142 
9.0 
+ 156.5 
284 .3 
80170 
6.0 
+ 117.6 
1500 
290 .0 
85038 
9.0 
+ 145.6 
287 .1 
85102 
6.0 
+ 88.5 
,ce, to 
1000 
293 .5 
90166 
8.0 
+ 51.9 
290 .7 
90294 
6.0 
+ 34.9 
2,500, 
800 
296 .0 
92278 
8.0 
+ 58.9 
292 .2 
92432 
5.0 
+ 28.0 
^1 tt 
600 
297 .3 
94426 
7.0 
+ 51.6 
294 .2 
94606 
5.0 
+ 29.0 
400 
298 .0 
96636 
6.0 
+ 42.1 
295 .1 
96$35 
4.0 
+ 19.9 
right. 
200 
298 .6 
98867 
5.0 
+ 31.6 
295 .7 
99095 
3.0 
+ 3.2 
rning- 
000 
299 .0 
101149 
4.0 
294 .3 
101414 
2.0 
>y the 
ig air from the descending air to the ground, and an inversion of tem- 
rnoon perature under ordinary circumstances. The friction and the 
of the earth’s deflection have very little influence on the temperature 
of the and pressure conditions, and the circulation cannot be studied 
iation by itself until the radiation or heating terms have been eliminated.