How to find the weather data you want.
A great deal of time is spent by us to
create the products mentioned below in our effort to meet the needs of
you, the customer. So please, take a minute to read this
1. How much rain/snow fell on a certain
day/week? What was the temperature on this day? How strong
were the winds on this day? How many Heating/Cooling degree days
did we have? The answers are here!
This office is overwhelmed
with e-mail requests for weather data for previous days, months,
etc. In an effort to reduce the number of e-mails, please review
the information on this page to help you find what you are looking
Weather Data" link on the main page has data for 7 locations
that we keep statistics on. They are Washington National
Airport, Dulles, Baltimore-Washington (BWI), Maryland Science Center
(Inner Harbor), Charlottesville, Hagerstown and Martinsburg.
Clicking on any of the "X" links will bring up the data for
EACH DAY of that month.
These pages contain the High, Low temperature, Heating and Cooling
degree days, precipitation, snowfall, strongest wind speeds and
direction and more. Immediately above the tables with all the
links is a link to a page that explains in
detail what each column of these forms means.
If the information you are looking for is not here, then we don't have
it so please don't ask. In a case like that, you should contact
the National Climatic Data Center. They archive all weather data
around the world, if they don't have it, it doesn't exist. A link and
phone number for NCDC is on the climate
page. If this doesn't meet what you need, then keep reading.
I need to know when that hail storm was for my insurance. My
shingles/siding blew off the house during that severe thunderstorm a
few weeks ago, when was it? My basement flooded that day it
rained so hard, when was that?
Our other form of old
weather data is what we call Storm
Reports. These are narrative summaries of significant
weather events that we have data on for the locations in our County
Warning Area. Each of these reports begins with the first of
the month and ends on the last day of that month. Any
significant events are listed in the reports but you'll need to read
them to find out when a specific event may have affected you.
This is an example of what is at the top of each page that gives
location, date, time of that particular event.
Some examples of these reports are Thunderstorms, Hail storms,
Tornadoes, floods, snowstorms, etc.
3. If you're trying
to figure out some of the other products listed on our pages, besides
Climate data, then you might be interested in our introduction
to the web site. If all else fails, then try our Help
4. What I want is
not covered on any of the pages already mentioned! If that is
the case, then by all means, send us an e-mail
and we'll do our best to get you the information you
5. Due to limited
staffing, time constraints and higher priority tasks, we will no
longer answer e-mail requests for routine climate data that can be
found through any of the links shown above. Other requests for
data or information, not mentioned above, should be sent to the webmaster.