SUMMARY FOR THE MONTH OF _ ^TF _-J - - , 191 
Data for pressure dry and wet thermometers, dew-point, humidity, vapor pressure, and mean cloudiness are in 75th meridian time. All other data are in 
the standard of time in local use. 
PRESSURE. 
(Correction to reduce to a 24-hour mean 
STATION. 
Dry. 
Wet. 
Max. 
Min. 
Monthly. 
(9) 
8 a. id. 
8 p. m. 
(8+S)h-2 
(?) 
8 a. m. 
8 p. in. 
Monthly. 
(?) 
31.L, 
.— 
* 
W. l 
77 4 
39- <A 
Dew-point. 
Relative Humidity. 
Vapor Pressure. 
8 a. m. 
8 p. m. 
Monthly. 
(9) 
8 a. m. 
8 p. m. 
Monthly. 
(9) 
8 a. m. 
8 p. m. 
Monthly. 
(?) 
Flo. 7 
p' 
t-' 
tr- 
A 
Total movement 
(mid. to mid.). 
Average 
hourly 
velocity. 
Prevailing 
direction. 
(r) 
Maximum 
velocity. 
(r) 
Direction. 
(>•) 
Date. 
(*■) 
Number of Times Wind Observed from the— 
N. 
NE. 
E. 
SE. 
S. 
sw. 
W. 
NW. 
Calm. 
7^/3 
/o •/ 
W 
V 7- 
VvF 
73~ 
3 
3' 
7 
; 
o 
7- 
y 
/ _ 
Mean. 
8 a. hi. 
8 p. ill. 
Corrected mean - >7^ 
Monthly. 
(?) 
Highest. 
W 
Date. 
J 
Lowest. 
w 
Date. 
Absolute 
range. 
77- 
/ 3 7 -/ 
REDUCED. 
Mean. 
8 a. m. 
8 p. m. 
Corrected mean__ ^ 0 /X> 
Monthly. 
(fir) 
Highest. 
(hi 
. 34 ). 3 % 
3,500-ft- 
Date. 
13 
Lowest. 
('0 
7-7 37?|-77 
Date. 
10,000-ft. 
Absolute 
range. 
I* 3 ^ 
TEMPERATURE. 
MKAN. 
Sea- 
level. 
(?) 
3,500- 
ft. 
(?) 
10,000- 
ft. 
(?) 
High- 
est. 
(0 
73 
Date. 
(0 
Lowest. 
(0 
73 
Date. 
(i) 
Absolute 
range. 
ju 
Is 3 
Greatest 
daily range. 
(i) 
Date. 
(0 
Least daily 
range. 
(i) 
2- 
Date. 
(i) 
NUMBER OF DAYS WITH— (j) 
Maximum. 
Minimum. 
32° 
or below. 
90° 
or above. 
32° 
or below. 
Zero 
or below. 
/ 
0 
7-X 
0 
WIND. 
Mean Cloudiness. 
8 a. m. 
8 p. m. 
Monthly. 
(0 
x/ 
fJ . 
WEATHER. 
Sunshine. 
Percentage of 
possible. 
Number of Days. 
Clear. 
7 7- 
Partly cloudy. 
JO 
Cloudy. 
7 
Number or Days with Precipitation (Mid. to Mid.; 
Clear. 
(a) 
X 
Partly cloudy. 
(») 
X 
Cloudy. 
(«> 
MISCELLANEOUS PHENOMENA. 
DATES OF—(MIDNIGHT TO MIDNIGHT). 
Frosts. 
Thunderstorms. 
(V) 
WlND8. 
(40 miles or over.) 
1 
Solar 
Halos. 
Lunar 
Halos. 
Fog. 
Haze. 
Smoke. 
Hail. 
Aurora. 
Light. 
Heavy. 
Killing. 
Light. 
Dense. 
Light. 
Dense. 
Light. 
Dense. 
'O i?yz4/.s( 
J2-" 
73-" 
>9 
/ *J- 
77 
7?esuiL 
PRECIPITATION (in inches and hundredths). («i) 
TOTAL 
AMOUNT. 
Greatest 
Amount in 24 
Consecutive 
Hours. 
EXCESSIVE. 
2.50 Inches in 24 Hours. 
( 1 ) * 
1 Inch per Hour. 
(0 
Am’t. 
Date. 
(*> 
Am’t. 
Duration. 
h . in . 
Date. 
( k ) 
Am’t. 
Duration. 
h . in . 
Date. 
(*) 
43/ 
// y 
J 3 
- — ; 
- — 
— / 
-■, 
NUMBER OF DAYS WITH—(Min. to Mid.). 
Trace. 
y 
.01 
or more. 
7 
.04 
or more. 
4 
.25 
or more. 
1.00 
or more. 
Total. 
Snow. 
Trace 
or 
more. 
.01 or 
more 
melted. 
b 3 
SNOW. 
Total 
Depth. 
(») 
Average 
Depth at 
End of 
Month. 
ss-.jej 
<7 
(io) Maximum precipitation iu 5 minutes*— j ^.3_, date__; 10 minutes date-^-5^------ 5 minutes, date — 
30 minutes__, date_/ _; 1 hour — —_, date —-; 2 hours —-, date- 
EXCESSIVE. 
Date. 
Total Duration. 
From— 
To— 
Total 
am’t of 
precipi- 
tatiou. 
4 ^ - /L4L 
Excessive Rate. 
Began— Ended— 
Ain’t 
before 
excess¬ 
ive 
began. 
Accumulated Depths during Excessive Rate, for Consecutive Periods of Time indicated below. 
5 
10 
15 
20 
25 
30 
35 
min. 
min. 
min. 
rain. 
min. 
min. 
min. 
istaFl 
ClTT^Z- 
- / 
40 
min. 
45 
min. 
50 
min. 
GO 
min. 
SO 
min. 
100 
min. 
120 
min. 
*The duration is the time precipitation was actually recorded. 
Prevared by - 
precipitation was actually recoiueu. 
_ 
8-154 
Weather Bureau. 
