Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
L. Karlstom
-1954
Bufro boreae (23)
\t1/2 mi. S Court. Centa, 4000 ft., Yosemite Valley,
mojorosa C., Calif., R. Stelbins took data.
may 8
week ending
may 8, 1954
10" cloud
(Reset with magnet)\checkmark
2 Thermographs in tubs. Replace charts: \checkmark
Thermo. 73.0\degree F}
soil type) thermograph - red chart.
mers.
merc. 24.0\degree C
23(?) air (air type) " - green " {25.0\degree C
check thermal element with quick-recording
thermometer and adjust if necessary.
wind lock mechanism \checkmark
add ink with dropper provided. \checkmark
near weather
station
soil temperatures using raw soil auger (
3 surface (1") - Time:
Soil just
under surface
Black not
and in
sun 19.5\degree C Sat. Soil.
2:05 pm.
Schulttheis)
8 ft 5
3 post
6" depth - 13.2\degree C 2:07 pm.
12 " " - 13.0\degree C 2:04 pm.
18" " - 12.5\degree C 2:00 pm
24" " - 11.8\degree C - 1:50 pm (DST).
there is no max-min buried in soil at this
station. Suggest propping up lid on tub slightly
for greater air circulation around air thermograph.
4 Pond depth by measuring length of metal stake
pipe above the water. 4 3/4 above water.
5 Relative humidity reading. DB-76.5\degree F
Time: 2:00 pm, (DST)
WB - 64.0 \degree F
(wind) -> air 1" above ground in shade near max-min..25.7\degree C 2:08 pm.
23.6\degree C (schulttheis) - water / shallow - 2" deep
(bulb shade) but area in sun. (near tub.) 2:07pm.