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      Elev 502 ft, 38.911 °N 90.140 °W

      Alton, IL

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp868199
      Low Temp596145
      Day Average Temp66.8--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation0--
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point53.6--
      High59--
      Low52--
      Average53.6--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed15--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.59--
      Astronomy Day Length Rise Set
      Actual Time12h 29m6:41 AM7:10 PM
      Civil Twilight6:14 AM7:36 PM
      Nautical Twilight5:42 AM8:08 PM
      Astronomical Twilight5:10 AM8:40 PM
      Moon: Waxing crescent10:28 AM8:41 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:15 AM 64 °F 52 °F 65 % CALM 0 mph - 29.58 in 0 in Fair
      12:35 AM 64 °F 52 °F 67 % NE 3 mph - 29.59 in 0 in Fair
      12:55 AM 63 °F 52 °F 68 % CALM 0 mph - 29.59 in 0 in Fair
      1:15 AM 63 °F 52 °F 68 % NE 3 mph - 29.58 in 0 in Partly Cloudy
      1:35 AM 63 °F 52 °F 68 % NE 3 mph - 29.58 in 0 in Mostly Cloudy
      1:55 AM 64 °F 53 °F 68 % NE 3 mph - 29.59 in 0 in Mostly Cloudy
      2:15 AM 64 °F 53 °F 67 % ENE 5 mph - 29.59 in 0 in Cloudy
      2:35 AM 64 °F 52 °F 65 % ENE 7 mph - 29.59 in 0 in Cloudy
      2:55 AM 64 °F 52 °F 65 % NE 7 mph - 29.6 in 0 in Cloudy
      3:15 AM 64 °F 53 °F 67 % ENE 7 mph - 29.6 in 0 in Cloudy
      3:35 AM 64 °F 53 °F 67 % ENE 6 mph - 29.6 in 0 in Cloudy
      3:55 AM 64 °F 53 °F 69 % ENE 7 mph - 29.6 in 0 in Mostly Cloudy
      4:15 AM 63 °F 53 °F 69 % ENE 5 mph - 29.6 in 0 in Partly Cloudy
      4:35 AM 63 °F 53 °F 71 % E 7 mph - 29.6 in 0 in Fair
      4:55 AM 63 °F 53 °F 71 % E 9 mph - 29.61 in 0 in Partly Cloudy
      5:15 AM 63 °F 53 °F 71 % E 7 mph - 29.61 in 0 in Fair
      5:35 AM 62 °F 53 °F 73 % E 7 mph - 29.61 in 0 in Fair
      5:55 AM 61 °F 54 °F 77 % E 6 mph - 29.61 in 0 in Fair
      6:15 AM 61 °F 54 °F 77 % E 7 mph - 29.61 in 0 in Fair
      6:35 AM 60 °F 54 °F 78 % ENE 6 mph - 29.61 in 0 in Fair
      6:50 AM 59 °F 54 °F 82 % E 8 mph - 29.6 in 0 in Fair
      7:50 AM 61 °F 54 °F 77 % E 7 mph - 29.61 in 0 in Fair
      8:50 AM 66 °F 54 °F 64 % ESE 12 mph - 29.62 in 0 in Fair
      9:50 AM 70 °F 54 °F 56 % E 10 mph - 29.62 in 0 in Fair
      10:50 AM 75 °F 54 °F 47 % E 9 mph - 29.61 in 0 in Fair
      11:50 AM 77 °F 54 °F 44 % ESE 15 mph - 29.58 in 0 in Fair
      12:50 PM 81 °F 55 °F 42 % SE 15 mph 21 mph 29.55 in 0 in Fair
      1:50 PM 82 °F 57 °F 42 % SE 14 mph 21 mph 29.54 in 0 in Fair
      2:50 PM 86 °F 57 °F 37 % ESE 12 mph - 29.51 in 0 in Fair
      3:50 PM 86 °F 59 °F 40 % SSE 12 mph - 29.5 in 0 in Fair
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