U.S. Climate Extremes Index (CEI)

Regional Overview

Choose a period/season from the options below to display a regional analysis of the most recent year.

Regional CEI (All Steps Combined)

Summer (June-August) Central CEI Southeast CEI South CEI Southwest CEI West CEI Northeast CEI East North Central CEI West North Central CEI Northwest CEI

Percent Area Coverage of Indicator by Region

Summer (June-August) 2012

  Contig-
uous
U.S.
North
East
Upper
Mid-
west
Ohio
Valley
South
East
South Northern
Rockies
and
Plains
South
West
West North
West
CEI 32% 35% 35% 34% 16% 31% 38% 49% 29% 16%
Max Temp (Warm) 50% 44% 64% 52% 5% 45% 77% 77% 33% 22%
Max Temp (Cold) 1% 0% 0% 0% 5% 0% 0% 0% 0% 8%
Min Temp (Warm) 38% 73% 38% 5% 19% 37% 45% 79% 24% 14%
Min Temp (Cold) 1% 0% 0% 4% 2% 1% 0% 0% 3% 2%
PDSI (Wet) 3% 3% 4% 0% 5% 0% 0% 0% 0% 26%
PDSI (Dry) 36% 33% 32% 62% 13% 34% 39% 66% 37% 0%
1-Day Precip 9% 8% 14% 11% 13% 13% 6% 12% 0% 0%
Days w/ Precip 6% 0% 0% 0% 3% 4% 0% 0% 47% 11%
Days w/out Precip 8% 8% 11% 24% 0% 8% 16% 0% 0% 0%
Occurrence within the Historical Distribution:
Coldest Bottom Tenth Bottom Third Mid- Top Third Top Tenth Warmest
Driest Bottom Tenth Bottom Third Range Top Third Top Tenth Wettest