Tuesday, December 9, 2025 Weather For Mount Joy, PA
This morning when I woke up it was much colder than yesterday. The temperature was in the upper single digits. Dawn brought clear skies with the temperature in the upper single digits. The temperature rose quickly under bright sunshine this morning. It was already into the lower 20s by mid morning. The high was only in the lower 30s, a bit below the forecast. The clouds moved in and brought the temperature to a near halt.
This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
Temperature Dew Point Feels Like
Average
21.9℉
11.3℉
20.1℉
High
30.2℉ at 2:12 PM
20.9℉ at 11:39 PM
30.0℉ at 1:48 PM
Low
7.7℉ at 7:04 AM
4.0℉ at 12:41 AM
4.8℉ at 8:04 AM
Range 22.5℉ 16.9℉ 25.2℉
Yesterday
Temperature Dew Point Feels Like
Average
27.3℉
13.3℉
26.4℉
High
36.3℉ at 2:45 AM
31.0℉ at 1:59 AM
36.3℉ at 2:45 AM
Low
18.7℉ at 11:29 PM
3.1℉ at 2:25 PM
16.1℉ at 9:15 PM
Range 17.6℉ 27.9℉ 20.2℉
Difference
Temperature Dew Point Feels Like
Average 5.4℉ cooler 2.0℉ cooler 6.3℉ cooler
High 6.1℉ cooler 10.1℉ cooler 6.3℉ cooler
Low 11.0℉ cooler 0.9℉ warmer 11.3℉ cooler
There were 46.1 heating degree days today
There were 38.0 heating degree days yesterday
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This table contains the relative humidity data from my weather station.
Average High Low Range
64.0% 87.0% at 5:46 AM 39.0% at 12:55 PM 48.0%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
Pressure Time
Average 30.2′
High 30.37′ 12:00 AM
Low 29.96′ 11:53 PM
Range 0.41′
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This table contains the solar data from my weather station
UV Radiation Max Solar Radiation Max
3 at 11:38 AM 331.5 W/m² at 11:38 AM
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This table sunrise and sunset information for the day.
Today Difference From Yesterday
Sunrise 7:16:36 AM at 70.56° 51 seconds later than yesterday and 0.1° south of yesterday's sunset.
Sunset
4:40:15 PM at 70.4°3 seconds later than yesterday and 0.11° south of yesterday's sunset.
Solar Noon 11:58:30 AM at 27.01°27 seconds later than yesterday and 0.1° lower than yesterday.
Sunlight Duration 9 hours, 23 minutes and 39 seconds 48 seconds shorter than yesterday
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This table contains the wind data from my weather station in miles per hour.
Wind Speed Gust Time
Average Wind 2.3 mph 14.8 mph 4:01 PM
High 4.6 mph 18.3 mph 3:48 PM
Direction SE
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This table contains the rainfall data from my weather station in inches.
Daily Rain Max Hourly Event Rain Yesterday's Rain Weekly Rain Monthly Rain Yearly Rain
0.0″ 0.0″ per hour 0.0″ 0″ 0.0″ 287.65″ 320.75″ The last measurable rain was 6
days ago on Wednesday, December 3, 2025 and when 31.75″ rain fell. The Storm Total was 257.96″.
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This table contains the lightning data from my weather station.
Max Time
Strikes Per Hour 2 12:00 AM
Strikes Per Day 2
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