Koppen System Flashcards
“A”
Tropical Humid
f
Wet all year. Every month has at least 2.4 in. of Rainfall. Neither s nor w.
m
Monsoon pattern. Short dry season, pronounced rainy season
w
Winter dry season of 3 to 6 months. Wettest summer motnh has at least 10x precipitation of driest winter month
B
Dry Climates
-W
Desert
-S
Steppe, semiarid grassland
h
Hot, average annual temp greater than 64.4 degrees
k
Cold, average annual temp less than 64.4 degrees
C
Mild Mid-Latitude (Mesothermal)
D
Severe Mid-Latitude. Warmest month greater than 50 degrees
s
Summer dry. Wettest winter month has at least 3x precipitation of the driest summer month
a
Hot summer. Warmest month above 71.6 degrees
b
Warm summer. Warmest month less than 71.6 degrees, at least 4 months less than 50 degrees
c
Cool summer. Warmest month less than 71.6 degrees, 1 to 3 months less than 50 degrees.
d
Severe Winter. Coldest month less than -36.4 degrees
E
Polar Climates. Temperatures of every month below 50 degrees
T
Tundra. At least one month greater than 32 degrees
F
Ice Cap. All months less than 32 degrees
H
Highland climates.