TIME

CLIMATE

Present

  

(Late Holocene) 1000–3000 BP

Cooler - Wetter

(Mid Holocene) 4000–6000 BP

Warm -Dry

(Early Holocene) 7000–8000 BP

8000–11,000 BP

Warm-Wet
Warmer-wetter w/ dry periods

(Late Glacial) 11,000 –12,000

12,000–13,000 BP

before 13,500 BP

Cooler and drier

Cold -wet

Cold-dry