Weather For Mount Joy, PA On Monday, May 12, 2025
This morning when I woke up it was a bit warmer than yesterday. The temperature was in the lower 50s. Dawn brought partly cloudy skies with it barely dropping into the upper 40s. The temperature warmed quickly as the sun came out this morning. it was clear and into the middle 70s around noon. It was still clear and into the lower 80s by mid afternoon. Late this afternoon clouds moved in and thickened this evening.
This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
Temperature Dew Point Feels Like
Average 66.3 ℉ 53.6 ℉ 66.2 ℉
High 81.5 ℉ at 2:28 PM 62.4 ℉ at 10:18 PM 82 ℉ at 2:28 PM
Low 49.8 ℉ at 5:35 AM 45.3 ℉ at 6:46 AM 49.8 ℉ at 5:35 AM
Range 31.7 ℉ 17.1 ℉ 32.2 ℉
Yesterday
Temperature Dew Point Feels Like
Average 63.3 ℉ 54 ℉ 63.1 ℉
High 76.6 ℉ at 5:45 PM 58.3 ℉ at 2:39 PM 76.3 ℉ at 5:45 PM
Low 52.9 ℉ at 6:12 AM 50.2 ℉ at 12:42 AM 52.9 ℉ at 6:12 AM
Range 23.7 ℉ 8.1 ℉ 23.4 ℉
Difference
Temperature Dew Point Feels Like
Average 3℉ warmer 0.4 ℉ cooler 3.1℉ warmer
High 4.9℉ warmer 4.1℉ warmer 5.7℉ warmer
Low 3.1 ℉ cooler 4.9 ℉ cooler 3.1 ℉ cooler
There were 0.7 cooling degree days today.
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This table contains the relative humidity data from my weather station.
Average High Low Range
66% 88% at 6:18 AM 39% at 3:47 PM 49%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
Pressure Time
Average 30.29″
High 30.38″ 7:26 AM
Low 30.2″ 7:33 PM
Range 0.18″
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This table contains the solar data from my weather station
UV Radiation Max Solar Radiation Max
9 at 10:31 AM 943.2 W/m² at 10:31 AM
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This table sunrise and sunset information for the day.
Today Difference From Yesterday
Sunrise 5:53:02 AM at 107.22° 1 minute earlier than yesterday and 0.25° north of yesterday's sunset.
Sunset
8:11:13 PM at 107.22°58 seconds later than yesterday and 0.25° north of yesterday's sunset.
Solar Noon 1:02:19 PM at 68.21°the same as yesterday and 0.25° higher than yesterday.
Sunlight Duration 14 hours, 18 minutes and 11 seconds 1 minute and 58 seconds longer than yesterday
about data sources
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This table contains the wind data from my weather station in miles per hour.
Wind Speed Gust Time
Average Wind 1.7 mph 10.7 mph 3:05 PM
High 3.8 mph 12.8 mph 2:25 PM
Direction SSE
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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″ per hour 0″ 0″ 0″ 4.11″ 10.13″ The last measurable rain was 3
days ago on Friday, May 9, 2025 and when 1.39″ rain fell. The Storm Total was 1.6″.
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This table contains the lightning data from my weather station.
Max Time
Strikes Per Hour 0
Strikes Per Day 0 The last lightning strike detected was 4
days ago on Thursday, May 8, 2025 .
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The data on this page is collected from my personal weather station. It may not be and is not accurate at times. The Ambient Weather WS-5000 seems to be flaky under certain circumstances. The description is from my own observations.
I put this here for my own personal records. If you find it interesting or useful, that’s great! Especially in the latter half of 2025, I started noticing some flaky readings. I think the weather station is slowly dying. I am doing my best to come up with ways not to show the obvious errors.