Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Geography IA
Chart #1: DRY/HUMID and BS/BW tests
s f w
A,C,D r = 2t r = 2(t+7) r = 2/4 (t+14)
BS r = t r = t + 7 r = t + 14
BW
r = annual depth of precipitation in cm. (1" = 2.54 cm.)
t = average temperature for the year in °C
Chart #2: Rainfall regime of "A" climates
Total precipitation in cm.
Precipitation
of driest month
in cm.
0 50 100 150 200 250
Aw
Am
Af