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      Elev 502 ft, 38.911 °N 90.140 °W

      Alton, IL

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp644676
      Low Temp41274
      Day Average Temp53.47--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation0--
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point47.47--
      High54--
      Low34--
      Average47.47--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed16--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.13--
      Astronomy Day Length Rise Set
      Actual Time11h 2m6:43 AM5:45 PM
      Civil Twilight6:16 AM6:12 PM
      Nautical Twilight5:45 AM6:43 PM
      Astronomical Twilight5:14 AM7:14 PM
      Moon: Waxing gibbous4:03 PM6:08 AM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:15 AM 56 °F 51 °F 84 % CALM 0 mph - 29.17 in 0 in Fair
      12:35 AM 57 °F 51 °F 81 % CALM 0 mph - 29.17 in 0 in Fair
      12:55 AM 57 °F 51 °F 81 % CALM 0 mph - 29.15 in 0 in Fair
      1:15 AM 55 °F 50 °F 85 % CALM 0 mph - 29.17 in 0 in Fair
      1:35 AM 54 °F 50 °F 86 % CALM 0 mph - 29.15 in 0 in Fair
      1:55 AM 53 °F 51 °F 94 % CALM 0 mph - 29.14 in 0 in Fair
      2:15 AM 53 °F 51 °F 95 % CALM 0 mph - 29.13 in 0 in Fair
      2:35 AM 53 °F 52 °F 96 % CALM 0 mph - 29.11 in 0 in Fair
      2:55 AM 50 °F 50 °F 99 % CALM 0 mph - 29.11 in 0 in Fair
      3:15 AM 52 °F 52 °F 99 % CALM 0 mph - 29.1 in 0 in Partly Cloudy
      3:35 AM 53 °F 53 °F 98 % CALM 0 mph - 29.1 in 0 in Partly Cloudy
      3:55 AM 53 °F 52 °F 98 % CALM 0 mph - 29.1 in 0 in Fair
      4:15 AM 53 °F 52 °F 99 % CALM 0 mph - 29.1 in 0 in Fair
      4:35 AM 53 °F 53 °F 99 % CALM 0 mph - 29.1 in 0 in Fair
      4:55 AM 55 °F 54 °F 97 % CALM 0 mph - 29.1 in 0 in Fair
      5:15 AM 54 °F 53 °F 97 % CALM 0 mph - 29.09 in 0 in Fair
      5:35 AM 55 °F 54 °F 97 % CALM 0 mph - 29.08 in 0 in Partly Cloudy
      5:55 AM 55 °F 54 °F 97 % CALM 0 mph - 29.07 in 0 in Partly Cloudy
      6:15 AM 54 °F 53 °F 97 % CALM 0 mph - 29.07 in 0 in Fair
      6:35 AM 53 °F 53 °F 99 % CALM 0 mph - 29.07 in 0 in Fair
      6:50 AM 52 °F 52 °F 100 % CALM 0 mph - 29.07 in 0 in Fair
      7:50 AM 52 °F 52 °F 100 % VAR 5 mph - 29.1 in 0 in Partly Cloudy
      8:50 AM 55 °F 54 °F 94 % CALM 0 mph - 29.1 in 0 in Partly Cloudy
      9:50 AM 59 °F 54 °F 82 % CALM 0 mph - 29.11 in 0 in Partly Cloudy
      10:31 AM 63 °F 54 °F 72 % N 7 mph - 29.1 in 0 in Mostly Cloudy
      10:50 AM 59 °F 54 °F 82 % N 16 mph - 29.1 in 0 in Cloudy
      11:50 AM 59 °F 52 °F 77 % N 12 mph - 29.11 in 0 in Cloudy
      12:50 PM 57 °F 52 °F 82 % NNE 8 mph - 29.1 in 0 in Cloudy
      1:50 PM 63 °F 46 °F 55 % NE 13 mph - 29.1 in 0 in Partly Cloudy
      2:50 PM 64 °F 45 °F 49 % N 15 mph 23 mph 29.1 in 0 in Partly Cloudy
      3:50 PM 63 °F 45 °F 52 % NNE 12 mph - 29.12 in 0 in Mostly Cloudy
      4:50 PM 63 °F 43 °F 48 % N 13 mph - 29.13 in 0 in Cloudy
      5:50 PM 59 °F 43 °F 55 % N 8 mph - 29.14 in 0 in Fair
      6:50 PM 57 °F 36 °F 44 % NW 7 mph - 29.17 in 0 in Fair
      7:50 PM 48 °F 37 °F 66 % NW 6 mph - 29.18 in 0 in Fair
      8:50 PM 48 °F 36 °F 62 % NW 7 mph - 29.18 in 0 in Fair
      9:50 PM 45 °F 36 °F 71 % NW 8 mph - 29.18 in 0 in Fair
      10:15 PM 45 °F 36 °F 70 % CALM 0 mph - 29.18 in 0 in Fair
      10:35 PM 44 °F 35 °F 72 % CALM 0 mph - 29.18 in 0 in Fair
      10:55 PM 43 °F 35 °F 73 % CALM 0 mph - 29.18 in 0 in Fair
      11:15 PM 41 °F 34 °F 76 % CALM 0 mph - 29.17 in 0 in Fair
      11:35 PM 41 °F 35 °F 77 % CALM 0 mph - 29.17 in 0 in Fair
      11:55 PM 41 °F 35 °F 79 % CALM 0 mph - 29.18 in 0 in Fair
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