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      Elev 456 ft, 38.891 °N 90.121 °W

      Alton, IL

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp586890
      Low Temp564832
      Day Average Temp56.43--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation0--
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point52.29--
      High54--
      Low50--
      Average52.29--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed17--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.5--
      Astronomy Day Length Rise Set
      Actual Time11h 9m7:11 AM6:20 PM
      Civil Twilight6:44 AM6:47 PM
      Nautical Twilight6:13 AM7:18 PM
      Astronomical Twilight5:42 AM7:49 PM
      Moon: Waxing crescent1:11 PM10:10 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:15 AM 58 °F 54 °F 88 % NW 14 mph 21 mph 29.47 in 0 in Light Drizzle
      12:35 AM 57 °F 53 °F 85 % NW 17 mph 26 mph 29.49 in 0 in Cloudy
      12:55 AM 56 °F 53 °F 89 % WNW 15 mph 23 mph 29.5 in 0 in Rain
      1:15 AM 56 °F 53 °F 88 % WNW 15 mph 23 mph 29.5 in 0 in Rain
      1:35 AM 56 °F 52 °F 86 % NW 13 mph 20 mph 29.5 in 0 in Cloudy
      1:55 AM 56 °F 51 °F 85 % WNW 17 mph 25 mph 29.52 in 0 in Cloudy
      2:15 AM 56 °F 50 °F 82 % WNW 16 mph 26 mph 29.52 in 0 in Cloudy
      Level Access
      Glossary