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Current Conditions at LLNL

Readings taken on 09/18/2025 @ 22:45:00 Pacific (daylight)

Instrument (height) Plot Value      
Absolute Humidity (2m) Metdat plot icon 11.96000 g/m3 0.00075 lb/ft3
Air Density (above ground level) (2m) Metdat plot icon 1178.00 g/m3  
Air Temperature (52m) Metdat plot icon 19.0 °C 66.2 °F
Air Temperature (23m) Metdat plot icon 19.4 °C 67.0 °F
Air Temperature (10m) Metdat plot icon 19.5 °C 67.1 °F
Air Temperature (2m) Metdat plot icon 19.6 °C 67.3 °F
Max Temp. Today   27.6 °C 81.7 °F
Min Temp. Today   16.8 °C 62.3 °F
Max Temp. Yesterday   36.0 °C 96.8 °F
Min Temp. Yesterday   14.3 °C 57.8 °F
Atmospheric Pressure (above ground level) (2m) Metdat plot icon 989.1 mb 29.2 " Hg
Atmospheric Pressure (reduced to sea level) Metdat plot icon 1009.9 mb 29.8 " Hg
Dew Point (2m) Metdat plot icon 14.2 °C 57.5 °F
Dew Point (10m) Metdat plot icon 13.7 °C 56.6 °F
Evaporative Heat Flux (0m) Metdat plot icon -6999 watt/m2 -2220 BTU/ft2-hr
Heat Flux East (0m) Metdat plot icon -14 watt/m2  
Heat Flux West (0m) Metdat plot icon -22 watt/m2  
Incoming Infrared Radiation (0m) Metdat plot icon 366 watt/m2 116 BTU/ft2-hr
Incoming Solar Radiation (2m) Metdat plot icon 0 watt/m2 0 BTU/ft2-hr
Momentum Flux (10m) Metdat plot icon -0.01 m2/s2  
Momentum Flux (52m) Metdat plot icon 0.00 m2/s2  
Momentum Flux (23m) Metdat plot icon -0.00 m2/s2  
Net Radiation (0m) Metdat plot icon -45 watt/m2 -14 BTU/ft2-hr
Outgoing Infrared Radiation (0m) Metdat plot icon 410 watt/m2 130 BTU/ft2-hr
P-G Stability Class (10m) Metdat plot icon E  
Peak Wind Gust (10m) Metdat plot icon 2.7 m/s 6.0 MPH
Peak Wind Gust (52m) Metdat plot icon 3.5 m/s 7.8 MPH
Peak Wind Gust (23m) Metdat plot icon 3.1 m/s 7.0 MPH
Peak Wind Gust Direction (52m) Metdat plot icon 237 ° SW
Peak Wind Gust Direction (10m) Metdat plot icon 221 ° SW
Peak Wind Gust Direction (23m) Metdat plot icon 222 ° SW
Precipitation (2m) Metdat plot icon 0.00 cm 0.00 in
Today   0.00 cm 0.00 in
Yesterday   0.00 cm 0.00 in
Reflected Solar Radiation (0m) Metdat plot icon 1 watt/m2 0 BTU/ft2-hr
Relative Humidity (2m) Metdat plot icon 71.2 %  
Relative Humidity (10m) Metdat plot icon 71.0 %  
Sensible Heat Flux (0m) Metdat plot icon -6999 watt/m2 -2220 BTU/ft2-hr
Sigma Phi (52m) Metdat plot icon 0.0 °  
Sigma Phi (23m) Metdat plot icon 4.3 °  
Sigma Phi (10m) Metdat plot icon 5.0 °  
Sigma Theta (52m) Metdat plot icon 7.7 °  
Sigma Theta (23m) Metdat plot icon 9.7 °  
Sigma Theta (10m) Metdat plot icon 11.8 °  
Soil Heat Flux (0m) Metdat plot icon -40 watt/m2 -13 BTU/ft2-hr
Soil Temperature (0m) Metdat plot icon 26.6 °C 80.0 °F
Soil Temperature Delta (0m) Metdat plot icon -0.1 °C  
Specific Humidity (2m) Metdat plot icon 10.15 g H2O/kg air  
Specific Humidity (10m) Metdat plot icon 9.82 g H2O/kg air  
Vertical Wind Velocity (52m) Metdat plot icon 0.0 m/s 0.0 MPH
Vertical Wind Velocity (23m) Metdat plot icon 0.0 m/s 0.0 MPH
Vertical Wind Velocity (10m) Metdat plot icon -0.1 m/s -0.2 MPH
Vertical Wind Velocity Sigma (52m) Metdat plot icon 0.00 m/s 0.00 MPH
Vertical Wind Velocity Sigma (23m) Metdat plot icon 0.16 m/s 0.35 MPH
Vertical Wind Velocity Sigma (10m) Metdat plot icon 0.15 m/s 0.34 MPH
Wet Bulb Temperature (10m) Metdat plot icon 16.7 °C 62.1 °F
Wet Bulb Temperature (2m) Metdat plot icon 16.8 °C 62.3 °F
Wind Direction (from) (10m) Metdat plot icon 224 ° SW
Wind Direction (from) (52m) Metdat plot icon 235 ° SW
Wind Direction (from) (23m) Metdat plot icon 230 ° SW
Wind Speed (52m) Metdat plot icon 2.8 m/s 6.2 MPH
Wind Speed (10m) Metdat plot icon 1.7 m/s 3.9 MPH
Wind Speed (23m) Metdat plot icon 2.1 m/s 4.7 MPH
Wind Speed Sigma (10m) Metdat plot icon 0.3 m/s 0.7 MPH
Wind Speed Sigma (52m) Metdat plot icon 0.3 m/s 0.7 MPH
Wind Speed Sigma (23m) Metdat plot icon 0.4 m/s 0.9 MPH
   
Site Information Longitude: 121° 42' 58.3" W
Latitude: 37° 41' 35.8" N
Elevation: 572 feet (174 meters)

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