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Alton / St. Louis Regional
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D
a
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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.
2823:15Calm10.00FairCLR5857 96%30.13NA
2822:55Calm10.00FairCLR5957 93%30.12NA
2822:35NW 310.00FairCLR6058 91%30.12NA
2822:15NW 310.00FairCLR6057 92%30.12NA
2820:50Calm10.00A Few CloudsFEW0606655 68%30.11NA
2819:50N 610.00Partly CloudySCT0607055 60%30.11NA
2818:50NW 810.00Mostly CloudyBKN0607255 57%30.11NA
2817:50NW 1210.00Mostly CloudyBKN0607257 61%30.10NA
2816:50NW 610.00OvercastSCT041 OVC0507261 69%30.11NA
2815:50NW 1810.00Mostly CloudySCT038 BKN0507363 69%30.11NA
2814:50N 1610.00OvercastSCT035 OVC0507363 69%30.11NA
2813:50N 1410.00Mostly CloudySCT029 BKN0507363 69%30.11NA
2812:50N 1410.00OvercastSCT029 OVC0507264 78%30.12NA
2811:45NW 710.00Mostly CloudySCT029 SCT040 BKN0487364 74%30.12NA
2810:45NW 710.00Mostly CloudySCT027 BKN0377264 78%30.11NA
2809:45N 610.00Mostly CloudyBKN0197064 83%30.11NA
2808:45N 710.00Mostly CloudyBKN0136864 88%30.09NA
2807:50NW 810.00FairCLR6663 88%30.07NA
2806:50NW 610.00FairCLR6463 94%30.06NA
2806:35NW 710.00FairCLR6463 95%30.05NA
2806:15NW 710.00FairCLR6463 96%30.05NA
2805:55NW 910.00FairCLR6463 94%30.04NA
2805:35NW 810.00FairCLR6563 93%30.03NA
2805:15NW 1010.00FairCLR6562 91%30.03NA
2804:55NW 1010.00FairCLR6662 89%30.02NA
2804:35NW 910.00FairCLR6662 88%30.01NA
2804:15NW 910.00FairCLR6662 87%30.01NA
2803:55NW 1010.00FairCLR6662 85%30.00NA
2803:35NW 910.00FairCLR6761 81%30.00NA
2803:15NW 8 G 1610.00FairCLR6761 81%29.99NA
2802:55NW 1210.00FairCLR6761 79%29.99NA
2802:35NW 10 G 1610.00FairCLR6760 78%30.00NA
2802:15NW 1010.00FairCLR6760 78%30.00NA
2801:55NW 12 G 1610.00FairCLR6860 77%30.00NA
2801:35NW 1010.00FairCLR6760 78%30.00NA
2801:15NW 810.00FairCLR6860 75%30.00NA
2800:55NW 710.00FairCLR6860 826874%30.00NA
2800:35NW 910.00FairCLR6959 72%30.00NA
2800:15NW 1010.00FairCLR6959 70%30.00NA
2723:55NW 9 G 1610.00FairCLR7058 67%29.99NA
2723:35NW 910.00FairCLR7059 68%29.99NA
2723:15NW 710.00FairCLR7158 65%29.99NA
2722:55NW 810.00FairCLR7158 63%29.98NA
2722:35NW 810.00FairCLR7158 64%29.98NA
2722:15NW 810.00FairCLR7258 62%29.98NA
2721:50NW 1210.00ClearSKC7359 61%29.98NA
2720:50NW 1210.00ClearSKC7561 61%29.96NA
2719:50NW 1410.00ClearSKC7961 54%29.95NA
2718:50NW 1610.00A Few CloudsFEW0558159 48%29.92NA
2717:45NW 1810.00Partly CloudySCT0358459 43%29.91NA
2715:45SW 23 G 2910.00Partly Cloudy and BreezySCT060 SCT0708664 49%29.88NA
2714:55NW 17 G 2310.00Partly CloudySCT0508666 52%29.87NA
2713:45W 17 G 2410.00A Few CloudsFEW0508666 52%29.89NA
2712:45S 10 G 1610.00Partly CloudySCT034 SCT0428477 79%29.90NA
2711:45W 1210.00Partly CloudySCT0258277 84%29.91NA
2710:45NW 1210.00Mostly CloudySCT017 BKN0218179 94%29.90NA
2708:45W 14 G 2110.00A Few CloudsFEW0257977 94%29.87NA
2706:50W 1410.00A Few CloudsFEW1007775 94%29.83NA
2706:35W 1410.00FairCLR7876 94%29.83NA
2706:15W 13 G 1810.00FairCLR7875 93%29.82NA
2705:55W 1310.00FairCLR7875 93%29.81NA
2705:35W 1210.00FairCLR7776 95%29.81NA
2705:15SW 1010.00FairCLR7776 96%29.81NA
2704:55SW 910.00FairCLR7676 99%29.81NA
2704:35SW 710.00FairCLR7676 100%29.81NA
2704:15SW 67.00Partly CloudySCT0657676 100%29.82NA
2703:55SW 610.00Partly CloudySCT0657776 98%29.82NA
2703:35SW 710.00Partly CloudySCT0657676 100%29.82NA
2703:15SW 57.00Mostly CloudyBKN065 BKN0757272 100%29.83NA
2702:55Calm5.00 Fog/MistBKN070 BKN0807272 100%29.83NA
2702:35Calm4.00 Fog/MistOVC0707272 100%29.83NA
2702:15Calm5.00 Fog/MistBKN080 OVC0857272 100%29.84NA
2701:55Calm4.00 Fog/MistBKN080 OVC0907272 100%29.84NA
2701:35SE 32.50 Fog/MistBKN0907171 100%29.85NA
2701:15Calm4.00 Fog/MistCLR7272 100%29.85NA
2700:55E 33.00 Fog/MistCLR7272 7972100%29.85NA0.01
2700:35E 35.00 Fog/MistCLR7373 100%29.85NA
2700:15Calm7.00FairCLR7474 100%29.86NA
2623:55NE 37.00FairCLR7474 100%29.86NA
2623:35NE 37.00FairCLR7474 100%29.86NA
2623:15Calm7.00FairCLR7474 100%29.87NA
2622:55Calm7.00FairCLR7474 100%29.88NA
2622:35Calm5.00 Fog/MistCLR7474 100%29.87NA
2622:15Calm7.00FairCLR7474 100%29.87NA
2621:50Calm4.00 Fog/MistBKN0037373 100%29.85NA
2620:50Calm10.00Mostly CloudyBKN1507575 100%29.83NA
2619:50Calm10.00Mostly CloudyBKN1607777 100%29.83NA
2618:50Calm10.00Mostly CloudyBKN1107979 100%29.90NA
2617:50NW 1210.00OvercastSCT080 OVC1508475 74%29.89NA
2616:45W 1010.00OvercastOVC1508679 79%29.86NA
2615:45W 1310.00Mostly CloudySCT065 BKN1209077 67%29.85NA
2614:45S 910.00Partly CloudySCT1209575 53%29.83NA
2613:55SW 710.00ClearSKC9377 59%29.84NA
2612:45SW 710.00ClearSKC9077 67%29.86NA
2611:45SW 910.00ClearSKC8677 75%29.87NA
2610:50SW 910.00ClearSKC8477 79%29.88NA
2609:45SW 910.00ClearSKC8175 84%29.89NA
2608:45S 910.00ClearSKC7573 94%29.89NA
2607:45S 910.00Partly CloudySCT1007272 100%29.90NA
2606:50SE 610.00Mostly CloudySCT095 BKN1106868 100%29.90NA
2606:35Calm10.00Mostly CloudyBKN095 BKN1106868 100%29.89NA
2606:15SE 310.00Partly CloudySCT1106767 100%29.89NA
2605:55SE 510.00Partly CloudySCT090 SCT1206868 100%29.89NA
2605:35SE 510.00OvercastBKN090 OVC1206868 99%29.90NA
2605:15SE 310.00OvercastOVC0906767 100%29.90NA
2604:55SE 310.00Mostly CloudyBKN090 BKN1106767 100%29.89NA
2604:35SE 310.00OvercastBKN090 OVC1106767 100%29.89NA
2604:15SE 510.00Mostly CloudySCT090 BKN1106767 100%29.89NA
2603:55SE 510.00Mostly CloudyBKN090 BKN1106767 100%29.90NA
2603:35SE 710.00OvercastBKN080 OVC1006767 100%29.90NA
2603:15SE 810.00OvercastOVC0806767 100%29.90NA
2602:55SE 710.00OvercastOVC0906767 100%29.91NA
2602:35SE 710.00OvercastOVC0906767 100%29.91NA
2602:15SE 710.00Partly CloudySCT0806666 100%29.91NA
2601:55SE 810.00FairCLR6666 100%29.91NA
2601:35SE 810.00FairCLR6666 100%29.91NA
2601:15E 710.00FairCLR6666 100%29.91NA
2600:55E 810.00FairCLR6666 7666100%29.92NA
2600:35E 710.00FairCLR6767 99%29.93NA
2600:15E 710.00FairCLR6767 99%29.92NA
2523:55SE 810.00FairCLR6767 100%29.92NA
2523:35E 710.00FairCLR6767 99%29.93NA
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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