Chesapeake Bay Coastal Bays Rivers and Streams Watersheds
Maryland Department of Natural Resources
Fixed Station Monthly Monitoring
More Info:
Monthly Monitoring Data
Eyes on the Bay
Continuous Monitoring
Water Quality Mapping

Patuxent River - Nottingham (TF1.5)

Map Showing the Location of TF1.5

Nottingham, Just South of the Merkle Wildlife Management Area on the Upper Patuxent River

Coordinates (NAD83):
Latitude: 38.7101
Longitude: -76.7014

This station is a tidal freshwater site in the mid-channel of the Patuxent River approximately 35 feet deep.

Current Parameter: Water Temperature

Choose Other Parameters:
Salinity pH Water

The yellow shaded area represents the range of monthly mean values that have occurred from 1985 to 2014. The blue line shows the monthly mean values for each month over that same time period. The red line shows what the current years conditions are and how they compare to the range and the average values we've seen.

To convert temperature to Fahrenheit, use the conversion tool below.

2015 Surface Water Temperature
Patuxent River / Nottingham (TF1.5)


Range 1985 to 2014 2015 Mean

Surface Water Temperature (F)
Patuxent River / Nottingham (TF1.5)
Month Minimum Mean Maximum 2014 2015
January 32.90 38.31 48.02   Not Sampled
February 32.36 39.33 48.74 Not Sampled Not Sampled
March 42.44 47.93 58.28 45.86 47.30
April 50.90 58.81 69.62 50.90 65.48
May 63.23 68.35 79.70 67.46 Not Sampled
June 70.79 77.11 86.00 78.08 86.18
July 77.99 83.11 88.97 78.44 81.32
August 74.03 81.49 87.26 80.24  
September 67.46 74.79 82.04 72.50  
October 54.86 63.08 70.52 64.22  
November 39.56 49.53 56.48 Not Sampled  
December 35.24 43.20 55.04 44.42  

NOTE: Results displayed are provisional and have not undergone full Quality Assurance procedures. Although Maryland DNR believes the data presented here are correct, we cannot guarantee their accuracy at this time.

Temperature Conversion       
Enter a reading on the left side and select the units of the original value. The converted temperature will be displayed on the right.
Choose Other Parameters:
Salinity pH Water

Return to the MapReturn to the Station Map

Additional water quality data, including nutrient data, is currently available through the Chesapeake Bay Program Data Hub.

Contact MD DNR's Resource Assessment Service at (410) 260-8630
or by email at

Chesapeake Bay | Coastal Bays | Rivers & Streams | Watersheds

Return to the Maryland DNR Home Page.

Your opinion counts! Take a survey!