Center for Environmental Monitoring and Analysis

Name: Center for Environmental Monitoring and Analysis
Address: 125 Academy Street, Newark, DE, 19716, US
Telephone: +13028312294

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The Center for Environmental Monitoring and Analysis (CEMA), established in 2017 in the College of Our Website: http://cema.udel.edu

10/14/2026

We're happy to announce that we've completed the upgrade of our 4th DEOS station to the 10 meter standard. This is our station on the University of Delaware's Research Farm in Newark.

This upgrade required quite a bit more than our previous station upgrades, since it also hosts a National Weather Service Cooperative Observer Program site and a monitoring well for the Delaware Geological Survey. We'll be adding soil sensors before the cold sets in so that this station will be able to monitor the environment from 1 meter below ground to 10 meters above ground.

Real-time and historical data from this station and 103 others in the DEOS Network can be found at https://deos.udel.edu.

09/26/2026

Look at the incredible circulation of this early season nor'easter in this GOES visible satellite loop! Expect more wind, coastal flooding, and rain through Sunday in Delaware.

09/14/2026

Have an application or model that needs regular access to environmental data for Delaware? Or maybe you just want to grab a couple years of DEOS data from the 2010s in CSV format? Then check out the NEW DEOS API (application programming interface).

Visit https://deos.udel.edu/data/api sign up for an access key, view API documentation, or access a code repository to make development a breeze.

07/28/2026

Here's a quick video showing the thunderstorm that sat over Bridgeville, Delaware yesterday (Monday) and dumped over 4 inches of rain in less than 1.5 hours. Data from our weather station helped the US National Weather Service Philadelphia/Mount Holly confirm the extreme rainfall rates shown by the radar, and the subsequent Flash Flood Warning they issued yesterday.

07/15/2026

🚨 NEW PRODUCT ALERT! 🚨

Introducing the DEOS Daily Data Viewer!

Access 5-minute and hourly observations for any station in the DEOS Network for any day in its history (Some of our 104 stations now have 20 years of data!). Quickly view temperature, precipitation, wind, humidity, pressure, solar radiation, and more.

Try it today:
https://deos.udel.edu/data/monthly_summary/daily_view.php

07/08/2026

Delaware remains in a statewide Drought Watch due to long-term deficits in precipitation, lower than normal streamflows, and below average groundwater conditions. To assess water availability in the state, CEMA and the Delaware Geological Survey developed the Delaware Water Tracker. This comprehensive tool compiles groundwater levels, precipitation, and evapotranspiration in one location.

Check out the Delaware Water Tracker here: https://apps.cema.udel.edu/watertracker/
For more Delaware drought updates, visit: https://climate.udel.edu/drought

07/06/2026

Following up on last week's heat wave, several stations in the DEOS Network AVERAGED 100+ degrees for their maximum daily temperatures from the 1st through the 3rd. That's extremely unusual, and has only happened 6 times since 1893 in Dover, with the last time occurring in July 2010.

If you we're wondering why Kent County looks a little hotter on the map than New Castle or Sussex Counties, it's likely an effect of the ongoing drought conditions, where Kent County has been the driest part of the state lately. The easiest way to explain this is that a drier surface converts more of the sun's energy into sensible energy, or energy you can feel, than a wetter surface. Meanwhile, wetter (or less dry) areas tend to split the sun's energy more evenly between sensible energy and latent energy, which is basically evaporation and transpiration (water released from plants during photosynthesis).

07/02/2026

One word describes how this feels: YUCK! Be careful outside today. PLEASE don't overdo it!

04/10/2026

The DCO has released their 2025 Annual Climate Report for Delaware.

Delaware experienced six consecutive months of above average temperatures (February to July) in 2025 as well as seven months with drier than normal conditions. All portions of the state experienced some months with severe drought conditions.

Read the report here:

👉 https://climate.udel.edu/2026/04/09/delaware-2025-annual-climate-report/

Learn more about the First State’s climate:

👉 https://climate.udel.edu/

03/10/2026

Look at the incredible temperature gradient between our coastal DEOS stations and our DEOS stations several miles inland. That's a 34 degree difference between Bethany Beach and Dagsboro!

This type of situation occurs this time of year when we have a warm air mass with strong southerly flow moving in. The influence of the much colder Atlantic Ocean usually only extends a mile or so inland (at most) when the wind ditection is just right.

Address

125 Academy Street
Newark, DE
19716

Telephone

+13028312294

Website

http://cema.udel.edu/

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