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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.
2620:50Calm10.00Partly CloudySCT1007973 84%30.05NA
2619:50Calm10.00Partly CloudySCT1007973 84%30.03NA
2618:50E 610.00Partly CloudySCT1008272 70%30.04NA
2617:50E 610.00Mostly CloudyBKN0508668 55%30.04NA
2616:50E 610.00Partly CloudySCT0709077 67%30.03NA
2615:50Calm10.00A Few CloudsFEW0489368 44%30.03NA
2614:50Calm10.00Partly CloudySCT0489172 52%30.06NA
2613:50Calm10.00Partly CloudySCT0459170 49%30.08NA
2612:50Calm10.00A Few CloudsFEW0559168 46%30.09NA
2611:45Calm10.00A Few CloudsFEW2009070 52%30.10NA
2610:55SW 510.00A Few CloudsFEW2008875 66%30.11NA
2609:45SW 710.00ClearSKC8675 70%30.10NA
2607:45Calm3.00 Fog/MistFEW2007373 100%30.11NA
2606:45Calm3.00 Fog/MistSKC7272 100%30.10NA
2606:35Calm0.50 FogVV0057171 100%30.09NA
2606:15Calm2.50 Fog/MistCLR7171 100%30.09NA
2605:55Calm3.00 Fog/MistCLR7373 100%30.07NA
2605:35Calm2.00 Fog/MistCLR7373 100%30.06NA
2605:15Calm0.50 FogVV0057272 100%30.06NA
2604:55Calm1.00 Fog/MistVV0077373 100%30.05NA
2604:35Calm3.00 Fog/MistCLR7373 100%30.05NA
2604:15E 34.00 Fog/MistCLR7373 100%30.04NA
2603:55E 54.00 Fog/MistCLR7373 100%30.03NA
2603:35E 62.50 Fog/MistCLR7373 100%30.03NA
2603:15E 32.00 Fog/MistCLR7272 100%30.03NA
2602:55Calm1.00 Fog/MistVV0077373 100%30.04NA
2602:35Calm4.00 Fog/MistCLR7575 100%30.04NA
2602:15Calm5.00 Fog/MistCLR7575 100%30.05NA
2601:55E 55.00 Fog/MistCLR7676 100%30.05NA
2601:35E 65.00 Fog/MistCLR7676 100%30.06NA
2601:15Calm7.00FairCLR7676 100%30.05NA
2600:55Calm7.00FairCLR7777 8777100%30.06NA
2600:35Calm10.00FairCLR7979 100%30.05NA
2600:15SE 77.00FairCLR7979 100%30.04NA
2523:55SE 710.00Partly CloudySCT0357979 100%30.05NA
2523:35E 810.00Partly CloudySCT0358080 100%30.06NA
2523:15E 67.00FairCLR7979 100%30.06NA
2522:55E 67.00FairCLR7878 100%30.05NA
2522:35E 310.00FairCLR8080 100%30.05NA
2522:15E 310.00FairCLR7979 100%30.05NA
2521:50SE 510.00A Few CloudsFEW0558181 100%30.01NA
2520:50SE 510.00A Few CloudsFEW0558181 100%30.01NA
2519:50SE 510.00A Few CloudsFEW0558481 89%29.99NA
2518:50E 510.00A Few CloudsFEW0558881 79%29.98NA
2517:50E 510.00A Few CloudsFEW0559179 67%29.98NA
2516:50E 510.00A Few CloudsFEW0559373 53%29.98NA
2515:50Calm10.00A Few CloudsFEW0559573 50%29.97NA
2513:50Calm10.00ClearSKC9375 56%30.01NA
2512:50Calm10.00ClearSKC9179 67%30.02NA
2511:45S 610.00ClearSKC9081 75%30.03NA
2509:45SE 710.00ClearSKC8481 89%30.03NA
2507:45SE 55.00 Fog/MistSKC7777 100%30.02NA
2506:50SE 33.00 Fog/MistSKC7575 100%30.01NA
2506:35SE 31.50 Fog/MistVV0077575 100%30.00NA
2506:15SE 61.50 Fog/MistVV0077474 100%29.99NA
2505:55SE 60.75 Fog/MistVV0057474 100%29.99NA
2505:35SE 32.00 Fog/MistCLR7575 100%29.99NA
2505:15SE 72.00 Fog/MistCLR7575 100%29.98NA
2504:55E 61.00 Fog/MistVV0077474 100%29.98NA
2504:35Calm2.50 Fog/MistCLR7575 100%29.98NA
2504:15E 33.00 Fog/MistCLR7676 100%29.98NA
2503:55E 50.50 FogBKN0127575 100%29.98NA
2503:35Calm3.00 Fog/MistCLR7676 100%29.98NA
2503:15SE 33.00 Fog/MistCLR7676 100%29.98NA
2502:55SE 33.00 Fog/MistCLR7676 100%29.98NA
2502:35SE 35.00 Fog/MistCLR7777 100%29.98NA
2502:15SE 57.00FairCLR7777 100%29.98NA
2501:55SE 35.00 Fog/MistCLR7676 100%29.98NA
2501:35SE 35.00 Fog/MistCLR7777 100%29.99NA
2501:15SE 55.00 Fog/MistCLR7878 100%29.99NA
2500:55SE 67.00FairCLR7878 8878100%29.99NA
2500:35SE 57.00FairCLR7878 100%29.99NA
2500:15E 57.00FairCLR7979 100%29.99NA
2423:55E 57.00FairCLR7979 100%29.99NA
2423:35SE 57.00FairCLR7979 100%29.99NA
2423:15SE 37.00FairCLR8080 100%29.98NA
2422:55E 610.00FairCLR8080 100%29.98NA
2422:35E 510.00FairCLR8181 100%29.98NA
2422:15SE 710.00FairCLR8281 99%29.97NA
2421:50Calm10.00ClearSKC8181 100%29.97NA
2418:50Calm10.00Partly CloudySCT2008882 84%29.93NA
2416:45E 610.00Partly CloudySCT1509381 67%29.93NA
2415:45Vrbl 510.00ClearSKC9381 67%29.94NA
2414:45Vrbl 510.00ClearSKC9381 67%29.95NA
2413:45Vrbl 310.00ClearSKC9177 63%29.96NA
2412:55Vrbl 310.00ClearSKC9179 67%29.96NA
2411:50Vrbl 310.00ClearSKC9081 75%29.97NA
2410:55W 710.00ClearSKC8881 79%29.97NA
2409:45Vrbl 310.00ClearSKC8281 94%29.97NA
2408:55Vrbl 310.00ClearSKC8181 100%29.97NA
2407:45SE 77.00 Fog/MistSKC7575 100%29.97NA
2406:50Calm5.00 Fog/MistSKC7272 100%29.96NA
2406:35SE 37.00FairCLR7171 100%29.95NA
2406:15Calm10.00FairCLR7272 100%29.95NA
2405:55Calm10.00FairCLR7171 100%29.94NA
2405:35Calm10.00FairCLR7272 100%29.93NA
2405:15SE 310.00FairCLR7272 100%29.93NA
2404:55SE 510.00FairCLR7373 100%29.93NA
2404:35SE 610.00FairCLR7373 100%29.93NA
2404:15SE 610.00FairCLR7373 100%29.93NA
2403:55SE 610.00FairCLR7373 100%29.93NA
2403:35SE 510.00FairCLR7373 100%29.93NA
2403:15SE 610.00FairCLR7474 99%29.93NA
2402:55E 810.00FairCLR7474 99%29.93NA
2402:35E 810.00FairCLR7474 100%29.94NA
2402:15E 610.00FairCLR7474 100%29.94NA
2401:55E 710.00FairCLR7474 100%29.94NA
2401:35E 610.00FairCLR7474 100%29.94NA
2401:15E 510.00FairCLR7574 98%29.94NA
2400:55E 610.00FairCLR7575 877599%29.94NA
2400:35E 810.00FairCLR7675 97%29.94NA
2400:15E 810.00FairCLR7776 97%29.94NA
2323:55E 710.00FairCLR7877 95%29.94NA
2323:35E 810.00FairCLR7878 100%29.94NA
2323:15E 610.00FairCLR7979 100%29.94NA
2322:55E 610.00FairCLR7979 100%29.94NA
2322:35E 510.00FairCLR7979 100%29.93NA
2322:15E 310.00FairCLR7979 100%29.93NA
2321:50Calm10.00ClearSKC8281 94%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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