Philadelphia Site Records


Site Lat, Lon: 44.19354° N, -75.71591° W
Site Elevation: 130.91 m
Length Of Climate Record: 2776 Days

Record Value Time Clickable Thumbnail
Maximum Temperature 94.05°F 2020-07-10 17:15 UTC ?
Minimum Temperature -39.33°F 2017-12-28 11:25 UTC ?
Minimum High Temperature -6.87°F 2018-01-06 20:20 UTC ? ?
Maximum Low Temperature 74.13°F 2020-07-27 08:00 UTC ? ?
Maximum Daily Precipitation 3.354 in 2023-07-21 ? ?
Maximum Sonic Wind 40.64 mph from 235.35° 2019-11-01 10:05 UTC ?
Maximum Sonic Gust 66.18 mph from 234.28° 2018-05-04 23:50 UTC ?
Maximum Prop Wind 39.87 mph from 234.03° 2019-11-01 10:05 UTC ?
Maximum Prop Gust 63.06 mph from 238.62° 2020-03-20 18:15 UTC ?
Maximum Sea-Level Pressure 1047.23 hPa 2018-02-13 13:10 UTC ?
Minimum Sea-Level Pressure 977.35 hPa 2017-10-30 08:25 UTC ?
Maximum Dew Point 76.93°F 2019-07-20 21:15 UTC ?
Minimum Dew Point -45.89°F 2017-12-28 11:30 UTC ?
Minimum Relative Humidity 12.53 % 2021-03-22 19:50 UTC ?
Maximum Daily Solar Insolation 30.57 MJ/m² 2019-06-08 ? ?
Maximum Heat Index 101.20°F 2018-07-02 18:15 UTC ?
Minimum Wind Chill -49.26°F 2018-01-07 10:35 UTC ?
Warmest Daily Minimum Heat Index 74.53°F 2020-07-27 08:00 UTC ?
Coldest Daily Maximum Wind Chill -13.27°F 2019-01-20 18:30 UTC ? ?
Maximum 24 Hour Precipitation 3.354 in 2023-07-21 00:05 UTC to 2023-07-22 00:05 UTC ? ?
Maximum 24 Hour Temperature Rise 61.51°F 2018-01-07 08:25 UTC to 2018-01-08 08:25 UTC ? ?
Maximum 24 Hour Temperature Fall -55.75°F 2022-01-28 06:15 UTC to 2022-01-29 06:15 UTC ? ?
Maximum Diurnal Temperature Range 59.94°F 2018-01-07 ? ?
Minimum Diurnal Temperature Range 1.44°F 2022-12-16 ? ?
Most Windy Day 22.69 mph 2019-02-08 ? ?
Least Windy Day 1.32 mph 2019-12-20 ? ?
Highest Average Gust Day 34.79 mph 2019-02-25 ? ?
Maximum 3 Hour Temperature Rise 37.61°F 2022-03-04 12:00 UTC to 2022-03-04 15:00 UTC ?
Maximum 3 Hour Temperature Fall -30.59°F 2018-01-12 19:50 UTC to 2018-01-12 22:50 UTC ?
Maximum 1 Hour Temperature Rise 23.06°F 2022-01-24 13:10 UTC to 2022-01-24 14:10 UTC ?
Maximum 1 Hour Temperature Fall -24.45°F 2018-01-12 19:50 UTC to 2018-01-12 20:50 UTC ?
Maximum 15 Minute Temperature Rise 17.75°F 2017-02-25 08:15 UTC to 2017-02-25 08:30 UTC ?
Maximum 15 Minute Temperature Fall -14.25°F 2018-01-12 20:05 UTC to 2018-01-12 20:20 UTC ?
Maximum 3 Hour Pressure Rise
(*Converted To Sea Level)
13.11 hPa 2019-01-01 10:15 UTC to 2019-01-01 13:15 UTC ?
Maximum 3 Hour Pressure Fall
(*Converted To Sea Level)
-13.21 hPa 2024-01-09 23:45 UTC to 2024-01-10 02:45 UTC ? ?
Maximum 1 Hour Pressure Rise
(*Converted To Sea Level)
5.66 hPa 2019-01-01 10:25 UTC to 2019-01-01 11:25 UTC ?
Maximum 1 Hour Pressure Fall
(*Converted To Sea Level)
-5.73 hPa 2024-01-10 00:40 UTC to 2024-01-10 01:40 UTC ?
Maximum 15 Minute Pressure Rise
(*Converted To Sea Level)
3.99 hPa 2017-05-01 22:25 UTC to 2017-05-01 22:40 UTC ?
Maximum 15 Minute Pressure Fall
(*Converted To Sea Level)
-3.47 hPa 2017-05-02 01:45 UTC to 2017-05-02 02:00 UTC ?
Maximum 5 cm Soil Temperature 85.86°F 2016-08-11 22:10 UTC ?
Maximum 25 cm Soil Temperature 76.82°F 2016-08-13 04:00 UTC ?
Maximum 50 cm Soil Temperature 71.72°F 2016-08-15 11:55 UTC ?
Minimum 5 cm Soil Temperature 28.18°F 2022-01-16 14:25 UTC ?
Minimum 25 cm Soil Temperature 32.68°F 2019-03-10 14:15 UTC ?
Minimum 50 cm Soil Temperature 33.91°F 2019-03-29 23:10 UTC ?
Maximum 5 cm Soil Moisture 0.59 m3/m3 2017-04-04 08:20 UTC ?
Maximum 25 cm Soil Moisture 0.54 m3/m3 2020-10-28 21:05 UTC ?
Maximum 50 cm Soil Moisture 0.56 m3/m3 2017-07-13 03:15 UTC ?
Maximum Total Column Soil Moisture
(Unphysical - For Comparison Purposes)
1.66 m3/m3 2017-05-02 02:30 UTC ?
Minimum 5 cm Soil Moisture 0.07 m3/m3 2016-08-15 05:30 UTC ?
Minimum 25 cm Soil Moisture 0.25 m3/m3 2021-07-08 20:15 UTC ?
Minimum 50 cm Soil Moisture 0.29 m3/m3 2018-09-08 20:20 UTC ?
Minimum Total Column Soil Moisture
(Unphysical - For Comparison Purposes)
0.67 m3/m3 2018-09-08 20:20 UTC ?
Maximum 3 Hour Precipitation 3.159 in 2023-07-21 18:00 UTC to 2023-07-21 21:00 UTC ?
Maximum 1 Hour Precipitation 1.555 in 2023-07-21 19:30 UTC to 2023-07-21 20:30 UTC ?
Maximum 15 Minute Precipitation 0.904 in 2019-07-11 23:10 UTC to 2019-07-11 23:25 UTC ?
Maximum 5 Minute Precipitation 0.494 in Ending 2019-07-11 23:20 UTC ?
Maximum Daily Average Snow Depth 18.35 in 2021-02-17 ? ?
Maximum 5 Minute Irradiance 1238.43 W/m2 2022-06-28 16:50 UTC ?
Highest Lifted Condensation Level 645.41 hPa 2021-03-22 19:50 UTC ?
Largest Super Adiabat
(Minimum 9m-2m ΔT)
-7.67°F 2017-04-26 16:30 UTC ?
Largest Inversion
(Maximum 9m-2m ΔT)
19.66°F 2022-01-29 06:15 UTC ?
Maximum 9 m Temperature 92.52°F 2018-07-04 20:10 UTC ?
Minimum 9 m Temperature -34.32°F 2018-01-01 12:45 UTC ?