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Alton / St. Louis Regional
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D
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Time
(cdt)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond. Temperature (ºF)Relative
Humidity
PressurePrecipitation (in.)
AirDwpt6 hour altimeter
(in.)
sea level
(mb)
1 hr 3 hr6 hr
Max.Min.
1908:50SE 1210.00A Few CloudsFEW2505955 88%30.11NA
1907:47E 710.00A Few CloudsFEW2505452 94%30.11NA
1906:50NE 510.00A Few CloudsFEW2505250 94%30.10NA
1906:35Calm10.00FairCLR5251 96%30.10NA
1906:15E 35.00 Fog/MistCLR5049 96%30.09NA
1905:55Calm5.00 Fog/MistCLR5150 95%30.09NA
1905:35Calm7.00FairCLR5150 96%30.09NA
1905:15NE 37.00FairCLR5150 96%30.09NA
1904:55Calm7.00FairCLR5151 97%30.08NA
1904:35Calm2.00 Fog/MistCLR5251 96%30.08NA
1904:15Calm7.00FairCLR5251 97%30.09NA
1903:55Calm2.50 Fog/MistCLR5251 96%30.09NA
1903:35Calm3.00 Fog/MistCLR5251 97%30.09NA
1903:15Calm5.00 Fog/MistCLR5352 96%30.09NA
1902:55Calm7.00FairCLR5352 96%30.09NA
1902:35Calm5.00 Fog/MistCLR5453 96%30.09NA
1902:15Calm7.00FairCLR5453 96%30.09NA
1901:55Calm7.00FairCLR5452 96%30.10NA
1901:35Calm5.00 Fog/MistCLR5352 96%30.09NA
1901:15Calm5.00 Fog/MistCLR5352 96%30.09NA
1900:55Calm3.00 Fog/MistCLR5453 665496%30.09NA
1900:35Calm4.00 Fog/MistCLR5453 96%30.08NA
1900:15Calm7.00FairCLR5554 97%30.09NA
1823:55Calm5.00 Fog/MistCLR5554 96%30.09NA
1823:35Calm7.00FairCLR5554 95%30.08NA
1823:15Calm7.00FairCLR5554 94%30.08NA
1822:55Calm10.00FairCLR5655 94%30.08NA
1822:35Calm10.00FairCLR5654 93%30.08NA
1822:15Calm10.00FairCLR5755 94%30.08NA
1821:45Calm10.00ClearSKC5754 88%30.07NA
1820:45Calm10.00ClearSKC5955 88%30.06NA
1819:45Calm10.00ClearSKC6155 83%30.05NA
1818:45E 610.00ClearSKC6852 56%30.03NA
1817:50E 1210.00ClearSKC7248 44%30.02NA
1816:50E 1210.00ClearSKC7348 41%30.03NA
1815:45E 1210.00ClearSKC7346 38%30.03NA
1814:45E 1210.00A Few CloudsFEW0507348 41%30.04NA
1813:45E 710.00Partly CloudySCT0507054 57%30.06NA
1811:45E 1410.00Mostly CloudySCT042 BKN2006854 60%30.09NA
1810:50E 910.00Mostly CloudyBKN0376454 68%30.09NA
1809:50E 1210.00OvercastOVC0356354 73%30.09NA
1808:50E 710.00OvercastOVC0306155 83%30.08NA
1807:50NE 910.00OvercastOVC0315955 88%30.06NA
1806:50E 810.00OvercastOVC0315955 88%30.03NA
1806:35E 310.00OvercastOVC0315955 87%30.03NA
1806:15NE 610.00OvercastOVC0315956 88%30.03NA
1805:55NE 310.00OvercastOVC0295956 89%30.02NA
1805:35NE 510.00OvercastOVC0295956 88%30.02NA
1805:15Calm10.00OvercastOVC0295955 87%30.02NA
1804:55NE 310.00OvercastOVC0295956 89%30.02NA
1804:35Calm10.00OvercastOVC0276056 88%30.01NA
1804:15Calm10.00OvercastOVC0275956 87%30.01NA
1803:55Calm10.00OvercastOVC0255956 88%29.99NA
1803:35E 510.00OvercastOVC0255956 89%29.98NA
1803:15NE 310.00OvercastOVC0255956 90%29.99NA
1802:55Calm10.00OvercastOVC0255956 90%30.00NA
1802:35NE 310.00OvercastOVC0235956 90%30.00NA
1802:15NE 310.00OvercastOVC0215956 90%30.01NA
1801:55NE 310.00OvercastOVC0215956 90%30.01NA
1801:35NE 310.00OvercastOVC0216057 90%30.01NA
1801:15E 310.00OvercastOVC0216057 90%30.01NA
1800:55E 510.00OvercastOVC0216057 616090%30.01NA
1800:35Calm10.00OvercastOVC0216057 89%30.01NA
1800:15NE 310.00OvercastOVC0216057 89%30.01NA
1723:55Calm10.00OvercastOVC0216056 89%30.01NA
1723:35Calm10.00OvercastOVC0216056 89%30.01NA
1723:15Calm10.00OvercastBKN021 OVC0406057 89%30.01NA
1722:55Calm10.00OvercastSCT019 OVC0426056 88%30.01NA
1722:35Calm10.00OvercastBKN019 OVC0426056 88%30.01NA
1722:15Calm10.00OvercastBKN019 OVC0396056 88%30.00NA
1721:45Calm10.00OvercastOVC0196155 83%29.99NA
1720:45Calm10.00OvercastOVC0196155 83%29.98NA
1719:45E 710.00OvercastBKN019 OVC0266155 83%29.98NA
1718:50E 710.00OvercastOVC0236155 83%29.97NA
1717:45E 710.00OvercastSCT027 OVC0326357 83%29.96NA
1716:50E 710.00OvercastOVC0286357 83%29.96NA
1715:50E 810.00OvercastOVC0286355 77%29.97NA
1714:50E 98.00OvercastSCT011 OVC0306357 83%29.98NA
1713:50SE 97.00OvercastBKN030 OVC0505955 88%30.01NA
1712:50SE 127.00OvercastFEW012 SCT036 OVC0505955 88%30.02NA
1711:48SE 710.00OvercastOVC0606154 77%30.04NA
1710:50S 910.00OvercastBKN070 OVC1106154 77%30.06NA
1709:50S 128.00OvercastBKN070 OVC1105954 82%30.07NA
1708:50Calm8.00Mostly CloudyBKN0805452 94%30.06NA
1707:50Calm6.00 Fog/MistFEW2005048 94%30.04NA
1706:50Calm3.00 Fog/MistSCT0804645 93%30.02NA
1706:15E 32.50 Fog/MistCLR4544 96%30.03NA
1704:15Calm5.00 Fog/MistCLR4746 96%30.06NA
1700:35Calm1.75 Fog/MistVV0074947 96%30.09NA
1623:55Calm3.00 Fog/MistCLR4949 97%30.10NA
1623:15Calm5.00 Fog/MistCLR4948 97%30.11NA
1622:55Calm5.00 Fog/MistCLR4948 96%30.11NA
1622:35Calm7.00FairCLR5049 96%30.11NA
1622:15Calm7.00FairCLR5049 96%30.10NA
1621:50NW 310.00ClearSKC5250 94%30.11NA
1619:50NW 310.00ClearSKC5552 88%30.11NA
1618:50NW 310.00Partly CloudySCT0305952 77%30.11NA
1617:50NW 310.00Mostly CloudyBKN0286352 68%30.12NA
1616:50Calm10.00Mostly CloudyBKN0286450 60%30.12NA
1615:50Calm10.00Mostly CloudyBKN0286352 68%30.14NA
1614:50Calm10.00Mostly CloudyBKN0286350 64%30.16NA
1613:50Calm10.00OvercastOVC0266352 68%30.18NA
1612:50Calm10.00OvercastOVC0266152 72%30.21NA
1611:50NE 710.00OvercastOVC0266152 72%30.22NA
1610:50N 710.00OvercastOVC0225952 77%30.23NA
1609:50E 810.00OvercastSCT011 OVC0265954 82%30.24NA
D
a
t
e
Time
(cdt)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond. AirDwptMax.Min.Relative
Humidity
altimeter
(in.)
sea level
(mb)
1 hr3 hr6 hr
6 hour
Temperature (ºF)PressurePrecipitation (in.)

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Last Modified: June 14, 2005
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