U.S. Climate Extremes Index (CEI)

NCDC transitioned to the nClimDiv dataset on Thursday, March 13, 2014. This was coincident with the release of the February 2014 monthly monitoring report. For details on this transition, please visit our public FTP site and our U.S. Climate Divisional Database site.

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)

Year-to-Date 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

Year-to-Date 2014

  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% 30% 56% 37% 24% 22% 18% 36% 61% 20%
Max Temp (Warm) 18% 0% 0% 0% 2% 0% 2% 42% 94% 37%
Max Temp (Cold) 20% 12% 83% 48% 14% 28% 2% 0% 0% 0%
Min Temp (Warm) 18% 0% 0% 0% 0% 1% 5% 36% 86% 47%
Min Temp (Cold) 24% 27% 48% 68% 21% 43% 5% 0% 0% 0%
PDSI (Wet) 12% 15% 30% 6% 20% 0% 31% 5% 0% 1%
PDSI (Dry) 16% 0% 0% 0% 0% 0% 0% 44% 100% 15%
1-Day Precip 16% 39% 32% 19% 24% 15% 7% 17% 0% 0%
Days w/ Precip 16% 15% 53% 24% 12% 4% 27% 16% 0% 0%
Days w/out Precip 5% 0% 0% 0% 4% 4% 4% 5% 26% 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