Skip Navigation Linkweather.gov 
NOAA logo-Select to go to the NOAA homepage National Weather Service Forecast Office   NWS logo-Select to go to the NWS homepage
Honolulu, Hawai`i

Local forecast by
"City, St" or Zip Code
  
   RSS FeedsRSS Feeds
Current Hazards
   Hawai`i
   Tropical Cyclones
   Tsunami
   National
Current Conditions
   Observations
   Radar
   Satellite
   Hydrology
   River & Lake AHPS
   Analyses/Forecasts
Forecasts
   Activity Planner
   Hawai`i
   Marine
   Aviation
   Fire Weather
   Local Graphics
   National Graphics
   Model Output
Climate
   Local
   National
   More...
Weather Safety
   Weather Radio
   Weather & Safety
   Tsunami Information
   Event Summaries
   Skywarn Spotters
   Weather in Hawaii
   Turn Around,
      Don't Drown

   StormReady
   TsunamiReady
   EMWIN
About Us
   Our Mission
   Our Office
   Our Products
   News Items
   Hawaii RSS FeedsHI RSS Feeds
   Widgets
Contact Us
   Webmaster
   FAQ
Pacific Region Links
   Regional HQ
   Central Pacific
      Hurricane Center

   WFO Guam
   WSO Pago Pago
   Pacific Tsunami
      Warning Center

   International
      Tsunami
      Information
      Center

   Pacific ENSO
      Application
      Center


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services
Follow the National Weather Service on Facebook
NWS on Facebook
Follow the National Weather Service on Twitter
NWS on Twitter
Weath
er-Ready Nation
Weather-Ready Nation

NOAA > NWS > Home Page > Hydrology > Standardized Precipitation Index (SPI) Page
Standardized Precipitation Index Page
divider

SPI Information: What is the SPI?

Latest SPI maps: Updated Jul 15, 2014 for data through May
Note: SPI zone definitions for each map are based roughly on climatological differences. Most zones are represented by a relatively small number of gages so oversimplifications of actual conditions will occur.
Kaua'i: 3-month | 6-month | 12-month
O'ahu: 3-month | 6-month | 12-month
Maui: 3-month | 6-month | 12-month
Big Island: 3-month | 6-month | 12-month

SPI Data tables
"Quick-look" data set: Updated Jul 15, 2014 for data through the end of Jun 2014
Full data set: Updated Jul 15, 2014 for May 2014
Micronesia and Samoa data set: Updated Jul 08, 2014 for data through the end of Jun 2014

SPI Rain Gage Locator Maps
Kaua'i | O'ahu | Maui | Big Island