V 
SUMMARY FOR THE MONTH OF _ .Ml-. --, 19 
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 
1 the standard of time m local use. 
PRESSURE. 
(Correction to reduce to a 24-hour mean 1 -) 
Dry. 
Wf.t. 
8 a. in. 
8 p. m. 
(8+8)h-2 
8 a. m. 
8 p. m. 
Monthly. 
(g) 
K' 
l ' 
3 
1/ 
Dew-point. 
Relative Humidity. 
8 a. m. 
8 p. m. 
Monthly. 
( 9 ) 
8 a. m. 
8 p. m. 
Mouthiy. 
(g) 
$9 ,3 
V.&, 
is- 
STATION. 
Mean. 
8 a. m. 
'f-¥7c 
8 p. m. 
Corrected mean_ 
Monthly. 
(g) 
Highest. 
W 
Date. 
Lowest. 
w 
Date. 
*Z 4 ' 
Absolute 
range. 
REDUCED. 
Mean. 
8 a. m. 
30 .03. y 
8 p. m. 
Corrected mean_ 
Monthly. 
(g) 
3 o. O / d> 
Highest. 
w 
^> 0 . 3 / 
3,500-ft. 
Date. 
Lowest. 
w 
^f .79 
Date. 
10,000-ft. 
Absolute 
range. 
a 
TEMPERATURE. 
MEAN. 
Max. 
Min. 
Monthly. 
(g) 
Sea- 
level. 
(g) 
3,500- 
ft. 
(g) 
10,000- 
ft. 
(g) 
- 
- 
Vapor Pressure. 
8 a. m. 
, 6~/6 
8 p. m. 
Monthly. 
( 9 ) 
High¬ 
est. 
(o 
Date. 
(i) 
77 
Lowest. 
(i) 
If, 
Date. 
Absolute 
range. 
Greatest 
daily range. 
Date. 
Least daily 
range. 
Date. 
to 4 
to 
(i) 
(i) 
(i) 
7^ 
f, 
JYA. 
NUMBER OF DAYS WITH—(j) 
Maximum. 
32° 90° 
or below, or above. 
6 V' 
Minimum. 
32° 
or below. 
3 ) 
Zero 
or below. 
<3 
WIND. 
Total movement 
(mid. to mid.). 
V3J{S 
Average 
hourly 
velocity. 
4 T S' 
Prevailing 
direction. 
Ip) 
Maximum 
velocity. 
(r) 
73 * 
Direction. 
(r) 
IF 
Date. 
(r) 
3 - 6 ' 
Number of Times Wind Observf.d from the- 
N. 
NE. 
-6 
// 
SE. 
3 
s. 
2- 
sw. 
w. 
NW. 
Calm. 
z- 
WEATHER. 
Mean Cloudiness. 
Sunshine. 
Number of Days. 
8 a. m. 
8 p. m. 
Monthly. 
(0 
Percentage of 
possible. 
Clear. 
Partly cloudy. 
Cloudy. 
iA,3 
57 * 
b L 
// 
// 
7 
Number of Days with Precipitation (Mid. to Mid.). 
Clear. 
Partly cloudy. 
Cloudy. 
(“) 
(<*) 
(») 
/ 
/ 
MISCELLANEOUS PHENOMENA. 
DATES OF—(MIDNIGHT TO MIDNIGHT). 
Frosts. 
Thunderstorms. 
(») 
Winds. 
(40 miles or over.) 
Solar 
Halos. 
Lunae 
Halos. 
Fog. 
Haze. 
Smoke. 
Hail. 
Aurora. 
Light. 
Heavy. 
Killing. 
Light. 
Dense. 
Light. 
Dense. 
Light. 
Dense. 
* A’ 
h3./f, /v5', 
7-77 .73. 
*"2* 
^ 7^3 
* 
7 
"7? 
— 7-Z- 
PRECIPITATION (in inches and hundredths), (m) 
TOTAL 
AMOUNT. 
Greatest 
Amount in 24 
Consecutive 
Hours. 
Am’t. 
3 , 7^1 
Date. 
(*) 
EXCESSIVE. 
NUMBER OF DAYS WITH—(Mid. to Mid.). 
SNOW. 
2.50 Inches in 21 Hours. 
(1) * 
1 Inch per Hour. 
(0 
Trace. 
.01 
or more. 
.04 
or more. 
.25 
or more. 
1.00 
or more. 
Total. 
Snow. 
Total 
Depth. 
w 
Average 
Depth at 
End of 
Month. 
Trace 
or 
more. 
.01 or 
more 
melted. 
Am’t. 
Duration. 
li. m. 
Date. 
(ft) 
Am’t. 
Duration. 
h. m. 
Date. 
3,3! 
3 - 7 c 
/W- 
/jfe' 
/ e~- t 
/s" 
L 
rf 
- 1 - 
tA 
/ 
/S 
7 
7 
7 
dr 
(to) Maximum precipitation in 5 minutes L J—Yl , date-— 3 -; 10 minutes n-, date- F_ -, 15 minutes 
j£ll. _, date /A _: 1 hour ___7.r-.-_7 .*7-. date_- 1 2 hours ... /.1.3..1 , date 
f 
date. 
30 minutes__ I. _ date_-; 1 hour. 
_/4; 
EXCESSIVE. 
Date. 
Total Duration. 
Total 
am’t of 
precipi¬ 
tation. 
Excessive Rate. 
Am’t 
before 
excess¬ 
ive 
began. 
Accumulated Depths during Excessive Rate, for Consecutive Periods of Time indicated below. 
From— 
To— 
Began— 
Ended— 
5 
min. 
10 
min. 
15 
min. 
20 
min. 
25 
min. 
30 
min. 
35 
min. 
40 
min. 
45 
min. 
50 
min. 
GO 
min. 
80 
min. 
100 
min. 
120 
min. 
CL&W'h. „ 
3aS o di. ) y . 
3'3dl. 
A±dfJ. 
s. fl f>, 
-c 
_ 
- -i 
J? 
/ N 
/V' 
dt 
t r 31 
r7z 
ddd 
/ 
7 U f" 
S3 
7V 
i 
Wt 
* <£r 
K)/ 
7 '3 
\z& 
.33 
.37 
3f 
Prepared, by. 
_ Weather Bureau. 
