SUMMARY FOR THE MONTH OF _ MY _ Ml .., 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. 
Mean. 
8 a. m. 
8 p. ni. 
Monthly. 
(9) 
Corrected mean_ 
Dry. 
W ET. 
Max. 
Min. 
Monthly. 
(s) 
8 a. in. 
8 p. m. 
CM 
OO 
CO 
8 a. m. 
8 p. in. 
Monthly. 
(?) 
IT. / 
Uhl 
hr. 3 
33.W 
Df.w-point. 
Relative Humidity. 
Vapor Pressure. 
8 a. m. 
8 p. m. 
Monthly. 
(17) 
8 a. m. 
8 p. m. 
Monthly. 
(9) 
8 a. m. 
8 p. m. 
Monthly. 
(3) 
2S.3 
S3. 2- 
Total movement 
(mid. to mid.). 
Average 
hourly 
velocity. 
Prevailing 
direction. 
(p) 
Maximum 
velocity. 
(r) 
Direction. 
(r) 
Date. 
(r) 
Number of Times Wind Observed from the— 
N. 
NE. 
E. 
SE. 
s. 
sw. 
w. 
NW. 
Calm. 
7/if 
(o.<t 
J 7 
//" 
<£> 
2~ 
2 - 
/ 
3 
6 
/ O 
6 
o 
PRESSURE. 
(Correction to reduce to a 24-hour mean l 
STATION. 
Highest. 
w 
Date. I Lowest. 
w 
3o.U3\ 
Date. 
Absolute 
range. 
IL - J 1 J7? 
REDUCED. 
Mean. 
Highest. 
(A) 
Date. 
Lowest. 
(A) 
Date. 
Absolute 
range. 
8 a. m. 
8 p. m. 
Monthly. 
( 9 ) 
3d- 0/a/t 
^' r 
/. 
Corrected mean__ 
3a . oWl 
3,500-ft_ 
10,000-ft- _ 
TEMPERATURE. 
MEAN. 
High¬ 
est. 
(0 
Date. 
(») 
Lowest. 
(i) 
Date. 
(0 
Absolute 
range. 
Greatest 
daily range. 
(i) 
Date. 
(i) 
Least daily 
range. 
( i ) 
Date. 
(0 
Sea- 
level. 
(ff) 
3,500- 
ft. 
(<7) 
10,000- 
ft. 
( 9 ) 
7^ 
If" 
Z? 
(• 7 
^ ^- 
// 
._s 
/ z" 
NUMBER OF DAYS WITH— ( j ) 
Maximum. 
Minimum. 
32° 
or below. 
90° 
or above. 
32° 
or below. 
Zero 
or below. 
0 
0 
WIND. 
WEATHER. 
Mean Cloudiness. 
8 a. m. 
8 p. ID. 
Monthly. 
(0 
si f 
Sunshine. 
! Percentage of 
possible. 
<J> <3 
Number of Days. 
Clear. 
/ ^ 
Partly cloudy. 
z. 
Cloudy. 
/ 3 
Number of Days with Precipitation (Mid. to Mid.) 
Clear. 
<«) 
o 
Partly cloudy. 
(«) 
Cloudy. 
(») 
/ O 
MISCELLANEOUS PHENOMENA. 
DATES OF—(MIDNIGHT TO MIDNIGHT). 
Frosts. 
Light. 
Heavy. 
Killing. 
Thunderstorms. 
(») 
Winds. 
(40 miles or over.) 
Fog. 
Haze. 
Smoke. 
Light. 
Dense. 
Hail. 
Aurora. 
PRECIPITATION (in inches and hundredths), (di) 
TOTAL 
AMOUNT. 
Greatest- 
Amount i n 24 
Consecutive 
Hours. 
Am’t. 
Date. 
(*) 
EXCESSIVE. 
2.50 Inches in 24 Hours. 
(l) ♦ 
Am’t. 
Duratiou. 
h. m. 
Date. 
(*) 
1 Inch per Hour. 
(0 
Am’t. 
Duration. 
h. m. 
Date. 
(*) 
NUMBER OF DAYS WITH— (Mid. to Mid.). 
Trace. 
.01 
or more. 
/ 
.04 
or more. 
? 
.25 
or more. 
1.00 
or more. 
Total. 
Snow. 
Trace 
or 
more. 
.01 or 
more 
melted. 
/ o\ 3 
SNOW. 
Average 
Total 
Depth at 
Depth. 
End of 
Month. 
(0) 
7 / 
<a / 
(w) Maximum precipitation in 5 minutes_date 
30 minutes_, date 
EXCESSIVE. 
Date. 
Total Duration. 
Total 
am’t of 
precipi¬ 
tation. 
Excessive Rate. 
From— 
To— 
Began— 
Ended— 
■f/ v—^ 
3. T 
Am’t 
before 
excess¬ 
ive 
began. 
Accumulated Depths during Excessive Rate, for Consecutive Periods of Time indicated below. 
5 
min. 
10 
min. 
15 
min. 
20 
min. 
25 
min. 
30 
min. 
35 
min. 
— z 
7 ^ 
40 
min. 
45 
min. 
50 
min. 
GO 
min. 
- 
80 
min. 
100 
min. 
120 
min. 
*The duration is the time precipitation was actually recorded. 
Prepared by 
8—154 
Weather Bureau. 
