Groton Site Records


Site Lat, Lon: 42.54855° N, -76.37534° W
Site Elevation: 392.25 m
Length Of Climate Record: 2738 Days

Record Value Time Clickable Thumbnail
Maximum Temperature 93.53°F 2020-07-27 18:45 UTC ?
Minimum Temperature -12.76°F 2023-02-04 12:25 UTC ?
Minimum High Temperature 0.80°F 2018-01-07 03:05 UTC ? ?
Maximum Low Temperature 71.53°F 2018-08-29 05:00 UTC ? ?
Maximum Daily Precipitation 2.582 in 2017-10-29 ? ?
Maximum Sonic Wind 42.64 mph from 263.37° 2017-03-02 09:35 UTC ?
Maximum Sonic Gust 63.73 mph from 271.10° 2017-03-02 09:20 UTC ?
Maximum Prop Wind 41.13 mph from 263.44° 2017-03-02 09:35 UTC ?
Maximum Prop Gust 58.02 mph from 263.44° 2017-03-02 09:35 UTC ?
Maximum Sea-Level Pressure 1046.35 hPa 2018-02-13 13:05 UTC ?
Minimum Sea-Level Pressure 980.95 hPa 2024-01-10 06:15 UTC ?
Maximum Dew Point 77.11°F 2019-07-19 20:55 UTC ?
Minimum Dew Point -23.37°F 2019-01-31 02:10 UTC ?
Minimum Relative Humidity 11.82 % 2021-03-21 20:20 UTC ?
Maximum Daily Solar Insolation 31.29 MJ/m² 2021-06-17 ? ?
Maximum Heat Index 99.68°F 2019-07-19 19:20 UTC ?
Minimum Wind Chill -30.45°F 2023-02-04 04:40 UTC ?
Warmest Daily Minimum Heat Index 72.11°F 2018-08-29 05:00 UTC ?
Coldest Daily Maximum Wind Chill -14.05°F 2018-01-05 05:30 UTC ? ?
Maximum 24 Hour Precipitation 2.934 in 2017-10-29 09:35 UTC to 2017-10-30 09:35 UTC ? ?
Maximum 24 Hour Temperature Rise 40.01°F 2023-02-04 12:25 UTC to 2023-02-05 12:25 UTC ? ?
Maximum 24 Hour Temperature Fall -50.39°F 2018-01-12 16:55 UTC to 2018-01-13 16:55 UTC ? ?
Maximum Diurnal Temperature Range 44.53°F 2022-12-23 ? ?
Minimum Diurnal Temperature Range 1.7°F 2023-01-21 ? ?
Most Windy Day 22.89 mph 2019-02-25 ? ?
Least Windy Day 1.46 mph 2021-10-06 ? ?
Highest Average Gust Day 36.52 mph 2019-02-25 ? ?
Maximum 3 Hour Temperature Rise 26.03°F 2018-04-23 11:20 UTC to 2018-04-23 14:20 UTC ?
Maximum 3 Hour Temperature Fall -26.88°F 2018-02-21 16:20 UTC to 2018-02-21 19:20 UTC ?
Maximum 1 Hour Temperature Rise 16.68°F 2023-04-11 11:35 UTC to 2023-04-11 12:35 UTC ?
Maximum 1 Hour Temperature Fall -20.23°F 2022-07-22 21:25 UTC to 2022-07-22 22:25 UTC ?
Maximum 15 Minute Temperature Rise 9.27°F 2022-03-18 14:05 UTC to 2022-03-18 14:20 UTC ?
Maximum 15 Minute Temperature Fall -16.55°F 2022-07-22 21:55 UTC to 2022-07-22 22:10 UTC ?
Maximum 3 Hour Pressure Rise
(*Converted To Sea Level)
11.54 hPa 2022-03-07 23:05 UTC to 2022-03-08 02:05 UTC ? ?
Maximum 3 Hour Pressure Fall
(*Converted To Sea Level)
-12.89 hPa 2022-01-17 06:10 UTC to 2022-01-17 09:10 UTC ?
Maximum 1 Hour Pressure Rise
(*Converted To Sea Level)
6.69 hPa 2022-03-07 23:10 UTC to 2022-03-08 00:10 UTC ? ?
Maximum 1 Hour Pressure Fall
(*Converted To Sea Level)
-7.67 hPa 2024-04-03 14:50 UTC to 2024-04-03 15:50 UTC ?
Maximum 15 Minute Pressure Rise
(*Converted To Sea Level)
4.28 hPa 2024-04-03 15:50 UTC to 2024-04-03 16:05 UTC ?
Maximum 15 Minute Pressure Fall
(*Converted To Sea Level)
-5.44 hPa 2024-04-03 15:30 UTC to 2024-04-03 15:45 UTC ?
Maximum 5 cm Soil Temperature 76.82°F 2022-07-20 20:00 UTC ?
Maximum 25 cm Soil Temperature 70.7°F 2022-08-07 23:35 UTC ?
Maximum 50 cm Soil Temperature 68.54°F 2024-07-17 05:55 UTC ?
Minimum 5 cm Soil Temperature 30.74°F 2022-01-16 14:45 UTC ?
Minimum 25 cm Soil Temperature 32.18°F 2019-03-11 20:05 UTC ?
Minimum 50 cm Soil Temperature 33.26°F 2019-03-11 21:40 UTC ?
Maximum 5 cm Soil Moisture 0.58 m3/m3 2023-12-04 04:00 UTC ?
Maximum 25 cm Soil Moisture 0.51 m3/m3 2019-05-14 15:45 UTC ?
Maximum 50 cm Soil Moisture 0.47 m3/m3 2023-12-04 05:20 UTC ?
Maximum Total Column Soil Moisture
(Unphysical - For Comparison Purposes)
1.54 m3/m3 2023-12-04 07:40 UTC ?
Minimum 5 cm Soil Moisture 0.07 m3/m3 2020-08-23 05:20 UTC ?
Minimum 25 cm Soil Moisture 0.07 m3/m3 2020-08-22 14:55 UTC ?
Minimum 50 cm Soil Moisture 0.04 m3/m3 2020-09-22 20:05 UTC ?
Minimum Total Column Soil Moisture
(Unphysical - For Comparison Purposes)
0.19 m3/m3 2020-08-24 17:45 UTC ?
Maximum 3 Hour Precipitation 1.611 in 2019-10-31 22:20 UTC to 2019-11-01 01:20 UTC ? ?
Maximum 1 Hour Precipitation 1.307 in 2018-05-28 18:15 UTC to 2018-05-28 19:15 UTC ?
Maximum 15 Minute Precipitation 1.044 in 2018-05-28 19:00 UTC to 2018-05-28 19:15 UTC ?
Maximum 5 Minute Precipitation 0.437 in Ending 2022-09-12 21:20 UTC ?
Maximum Daily Average Snow Depth 21.27 in 2021-02-03 ? ?
Maximum 5 Minute Irradiance 1204.38 W/m2 2024-05-19 17:00 UTC ?
Highest Lifted Condensation Level 625.3 hPa 2021-04-06 17:40 UTC ?
Largest Super Adiabat
(Minimum 9m-2m ΔT)
-6.08°F 2021-09-19 14:35 UTC ?
Largest Inversion
(Maximum 9m-2m ΔT)
12.07°F 2018-05-26 06:55 UTC ?
Maximum 9 m Temperature 91.18°F 2020-07-27 19:10 UTC ?
Minimum 9 m Temperature -12.27°F 2023-02-04 10:20 UTC ?