Ontario Site Records


Site Lat, Lon: 43.25941° N, -77.37331° W
Site Elevation: 99.85 m
Length Of Climate Record: 1367 Days

Record Value Time Clickable Thumbnail
Maximum Temperature 93.58°F 2020-06-10 21:45 UTC ?
Minimum Temperature -4.36°F 2018-01-15 08:00 UTC ?
Minimum High Temperature 8.41°F 2018-01-05 23:45 UTC ? ?
Maximum Low Temperature 76.07°F 2018-08-28 11:15 UTC ? ?
Maximum Daily Precipitation 3.411 in 2020-07-11 ? ?
Maximum Sonic Wind 30.63 mph from 238.95° 2018-04-04 18:05 UTC ?
Maximum Sonic Gust 57.22 mph from 259.21° 2019-02-24 21:25 UTC ?
Maximum Prop Wind 29.63 mph from 238.63° 2018-04-04 18:05 UTC ?
Maximum Prop Gust 55.10 mph from 240.13° 2018-04-04 18:00 UTC ?
Maximum Sea-Level Pressure 1047.09 hPa 2020-01-17 16:15 UTC ?
Minimum Sea-Level Pressure 983.08 hPa 2017-11-19 06:20 UTC ?
Maximum Dew Point 79.36°F 2018-07-02 18:10 UTC ?
Minimum Dew Point -11.38°F 2019-01-31 05:25 UTC ?
Minimum Relative Humidity 15.12 % 2018-05-01 21:25 UTC ?
Maximum Daily Solar Insolation 31.43 MJ/m² 2019-06-08 ? ?
Maximum Heat Index 104.68°F 2018-07-02 19:00 UTC ?
Minimum Wind Chill -22.71°F 2019-01-21 06:35 UTC ?
Warmest Daily Minimum Heat Index 76.73°F 2018-08-28 11:15 UTC ?
Coldest Daily Maximum Wind Chill -6.32°F 2018-01-06 02:50 UTC ? ?
Maximum 24 Hour Precipitation 3.411 in 2020-07-11 01:50 UTC to 2020-07-12 01:50 UTC ? ?
Maximum 24 Hour Temperature Rise 38.77°F 2020-02-15 10:00 UTC to 2020-02-16 10:00 UTC ? ?
Maximum 24 Hour Temperature Fall -45.71°F 2020-03-20 17:15 UTC to 2020-03-21 17:15 UTC ? ?
Maximum Diurnal Temperature Range 42.53°F 2019-02-08 ? ?
Minimum Diurnal Temperature Range 2.03°F 2017-01-03 ? ?
Most Windy Day 22.64 mph 2016-11-21 ? ?
Least Windy Day 1.86 mph 2020-02-01 ? ?
Highest Average Gust Day 38.74 mph 2016-11-21 ? ?
Maximum 3 Hour Temperature Rise 23.71°F 2018-05-01 10:40 UTC to 2018-05-01 13:40 UTC ?
Maximum 3 Hour Temperature Fall -28.69°F 2018-02-21 13:35 UTC to 2018-02-21 16:35 UTC ?
Maximum 1 Hour Temperature Rise 19.94°F 2017-02-25 05:20 UTC to 2017-02-25 06:20 UTC ?
Maximum 1 Hour Temperature Fall -22.03°F 2018-02-21 13:40 UTC to 2018-02-21 14:40 UTC ?
Maximum 15 Minute Temperature Rise 16.89°F 2017-02-25 05:25 UTC to 2017-02-25 05:40 UTC ?
Maximum 15 Minute Temperature Fall -15.92°F 2017-04-10 21:50 UTC to 2017-04-10 22:05 UTC ?
Maximum 3 Hour Pressure Rise
(*Converted To Sea Level)
11.58 hPa 2019-01-01 09:45 UTC to 2019-01-01 12:45 UTC ?
Maximum 3 Hour Pressure Fall
(*Converted To Sea Level)
-11.27 hPa 2019-01-01 00:45 UTC to 2019-01-01 03:45 UTC ?
Maximum 1 Hour Pressure Rise
(*Converted To Sea Level)
5.3 hPa 2019-04-15 02:45 UTC to 2019-04-15 03:45 UTC ?
Maximum 1 Hour Pressure Fall
(*Converted To Sea Level)
-7.36 hPa 2018-01-15 22:00 UTC to 2018-01-15 23:00 UTC ?
Maximum 15 Minute Pressure Rise
(*Converted To Sea Level)
3.88 hPa 2017-05-01 20:45 UTC to 2017-05-01 21:00 UTC ?
Maximum 15 Minute Pressure Fall
(*Converted To Sea Level)
-7.04 hPa 2018-01-15 22:00 UTC to 2018-01-15 22:15 UTC ?
Maximum 5 cm Soil Temperature 87.26°F 2020-08-01 19:20 UTC ?
Maximum 25 cm Soil Temperature 88.84°F 2020-07-27 07:35 UTC ?
Maximum 50 cm Soil Temperature 74.66°F 2020-08-12 04:35 UTC ?
Minimum 5 cm Soil Temperature 29.66°F 2017-01-08 10:05 UTC ?
Minimum 25 cm Soil Temperature 32.36°F 2019-02-03 21:05 UTC ?
Minimum 50 cm Soil Temperature 32.36°F 2019-03-10 19:05 UTC ?
Maximum 5 cm Soil Moisture 0.5 m3/m3 2016-11-27 10:00 UTC ?
Maximum 25 cm Soil Moisture 0.36 m3/m3 2016-11-27 09:55 UTC ?
Maximum 50 cm Soil Moisture 0.43 m3/m3 2019-02-21 18:15 UTC ?
Maximum Total Column Soil Moisture
(Unphysical - For Comparison Purposes)
1.27 m3/m3 2016-11-27 10:10 UTC ?
Minimum 5 cm Soil Moisture 0.1 m3/m3 2017-01-07 08:05 UTC ?
Minimum 25 cm Soil Moisture 0.13 m3/m3 2018-07-22 00:05 UTC ?
Minimum 50 cm Soil Moisture 0.15 m3/m3 2018-07-12 08:45 UTC ?
Minimum Total Column Soil Moisture
(Unphysical - For Comparison Purposes)
0.38 m3/m3 2018-07-21 12:30 UTC ?
Maximum 3 Hour Precipitation 3.225 in 2020-07-11 17:55 UTC to 2020-07-11 20:55 UTC ?
Maximum 1 Hour Precipitation 2.793 in 2020-07-11 18:15 UTC to 2020-07-11 19:15 UTC ?
Maximum 15 Minute Precipitation 1.278 in 2020-07-11 18:35 UTC to 2020-07-11 18:50 UTC ?
Maximum 5 Minute Precipitation 0.521 in Ending 2020-07-11 18:45 UTC ?
Maximum Daily Average Snow Depth 15.58 in 2019-01-21 ? ?
Maximum 5 Minute Irradiance 1170.49 W/m2 2019-06-28 18:05 UTC ?
Highest Lifted Condensation Level 656.84 hPa 2018-05-01 21:25 UTC ?
Largest Super Adiabat
(Minimum 9m-2m ΔT)
-6.13°F 2017-06-14 11:55 UTC ?
Largest Inversion
(Maximum 9m-2m ΔT)
13.52°F 2020-01-23 06:10 UTC ?
Maximum 9 m Temperature 93.51°F 2020-06-10 21:45 UTC ?
Minimum 9 m Temperature -1.56°F 2019-01-31 07:00 UTC ?