U.S. Climate Extremes Index (CEI): Regional Overview

NCEI replaced input data for the CEI mean monthly maximum and minimum temperature extremes on Thursday, October 6, 2016, coincident with the release of the September 2016 monthly monitoring report. For more information on transition from USHCN to nClimGrid data, please visit the CEI - Data Used page.

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)

Annual (January-December) 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

Annual 2016
Indicator Contig-
uous

U.S.
North
East
Upper
Mid-
west
Ohio
Valley
South
East
South North-
ern
Rockies
and
Plains
South
West
West North
West
CEI 44% 46% 63% 44% 46% 48% 45% 39% 44% 30%
Max Temp (Warm) 70% 98% 77% 72% 74% 49% 80% 81% 63% 53%
Max Temp (Cold) 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Min Temp (Warm) 93% 94% 100% 99% 91% 97% 97% 83% 93% 85%
Min Temp (Cold) 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
PDSI (Wet) 13% 6% 58% 21% 16% 41% 7% 0% 0% 0%
PDSI (Dry) 6% 12% 0% 0% 3% 0% 5% 2% 22% 0%
1-Day Precip 13% 0% 24% 10% 16% 22% 8% 11% 14% 0%
Days w/ Precip 10% 13% 32% 5% 0% 6% 17% 0% 14% 13%
Days w/out Precip 4% 7% 0% 3% 16% 3% 3% 6% 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