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      Elev 502 ft, 38.911 °N 90.140 °W

      Alton, IL

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp828297
      Low Temp646249
      Day Average Temp69.66--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation0.01--
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point66.97--
      High70--
      Low64--
      Average66.97--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed9--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.4--
      Astronomy Day Length Rise Set
      Actual Time12h 36m6:38 AM7:15 PM
      Civil Twilight6:11 AM7:41 PM
      Nautical Twilight5:39 AM8:13 PM
      Astronomical Twilight5:07 AM8:45 PM
      Moon: Waxing crescent7:09 AM7:24 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:15 AM 68 °F 67 °F 97 % CALM 0 mph - 29.41 in 0 in Partly Cloudy
      12:35 AM 68 °F 67 °F 97 % CALM 0 mph - 29.41 in 0 in Fair
      12:55 AM 68 °F 67 °F 98 % CALM 0 mph - 29.41 in 0 in Mostly Cloudy
      1:15 AM 69 °F 68 °F 97 % CALM 0 mph - 29.41 in 0 in Mist
      1:35 AM 68 °F 67 °F 97 % ESE 3 mph - 29.41 in 0 in Mist
      1:55 AM 69 °F 68 °F 98 % CALM 0 mph - 29.41 in 0 in Partly Cloudy
      2:15 AM 68 °F 67 °F 97 % CALM 0 mph - 29.41 in 0 in Mist
      2:35 AM 68 °F 67 °F 98 % CALM 0 mph - 29.41 in 0 in Fair
      2:55 AM 67 °F 67 °F 98 % CALM 0 mph - 29.41 in 0.01 in Mist
      3:15 AM 68 °F 67 °F 97 % NNE 3 mph - 29.41 in 0 in Fair
      3:35 AM 67 °F 67 °F 98 % CALM 0 mph - 29.41 in 0 in Mist
      3:55 AM 67 °F 66 °F 97 % CALM 0 mph - 29.41 in 0 in Mist
      4:15 AM 67 °F 66 °F 98 % CALM 0 mph - 29.41 in 0 in Mist
      4:35 AM 67 °F 66 °F 98 % CALM 0 mph - 29.41 in 0 in Mist
      4:55 AM 67 °F 67 °F 98 % CALM 0 mph - 29.41 in 0 in Mist
      5:15 AM 67 °F 66 °F 98 % CALM 0 mph - 29.41 in 0 in Mist
      5:35 AM 66 °F 65 °F 98 % CALM 0 mph - 29.41 in 0 in Mist
      5:55 AM 66 °F 65 °F 98 % CALM 0 mph - 29.41 in 0 in Mist
      6:15 AM 65 °F 65 °F 98 % CALM 0 mph - 29.41 in 0 in Mist
      6:35 AM 65 °F 65 °F 98 % CALM 0 mph - 29.41 in 0 in Mist
      6:50 AM 64 °F 64 °F 100 % ESE 3 mph - 29.41 in 0 in Fog
      7:50 AM 68 °F 68 °F 100 % VAR 3 mph - 29.41 in 0 in Mist
      8:50 AM 70 °F 70 °F 100 % E 7 mph - 29.41 in 0 in Mist
      9:50 AM 73 °F 70 °F 88 % E 8 mph - 29.42 in 0 in Cloudy
      10:50 AM 75 °F 70 °F 83 % E 9 mph - 29.42 in 0 in Mostly Cloudy
      11:50 AM 79 °F 70 °F 74 % SE 7 mph - 29.4 in 0 in Mostly Cloudy
      12:50 PM 82 °F 68 °F 62 % SE 8 mph - 29.37 in 0 in Partly Cloudy
      1:50 PM 82 °F 66 °F 58 % SE 3 mph - 29.34 in 0 in Partly Cloudy
      2:45 PM 82 °F 66 °F 58 % E 6 mph - 29.33 in 0 in Cloudy
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