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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)PressurePrecipitation (in.)
AirDwpt6 hour altimeter
(in.)
sea level
(mb)
1 hr 3 hr6 hr
Max.Min.
2414:51S 1210.00 Light DrizzleSCT024 BKN034 BKN0417268 20.08NA
2413:50SW 710.00OvercastFEW012 BKN046 OVC1107066 30.10NA
2412:55Calm8.00 Light RainSCT034 BKN041 OVC0487068 30.11NA
2411:50Vrbl 610.00 Light RainSCT033 SCT043 OVC0707266 30.13NA
2410:52Vrbl 610.00OvercastBKN075 OVC0907068 30.11NA
2409:53Vrbl 610.00OvercastOVC1107066 30.10NA
2408:55SE 710.00OvercastOVC1306866 30.10NA
2407:54Vrbl 510.00OvercastBKN130 OVC2006866 30.10NA
2406:50SE 610.00OvercastOVC1306664 30.07NA
2406:45E 310.00FairCLR6664 30.07NA
2406:25E 310.00 Light DrizzleCLR6664 30.07NA
2406:05SE 510.00FairCLR6464 30.07NA
2405:45E 510.00FairCLR6664 30.06NA
2405:25Calm10.00FairCLR6464 30.06NA
2405:05Calm10.00FairCLR6464 30.06NA
2404:45E 310.00FairCLR6463 30.06NA
2404:25Calm10.00FairCLR6463 30.06NA
2404:05E 510.00FairCLR6664 30.06NA
2403:45E 310.00FairCLR6664 30.06NA
2403:25E 310.00FairCLR6664 30.07NA
2403:05E 310.00FairCLR6664 30.08NA
2402:45Calm10.00FairCLR6664 30.08NA
2402:25Calm10.00FairCLR6664 30.07NA
2402:05Calm10.00FairCLR6664 30.08NA
2401:45Calm10.00FairCLR6664 30.09NA
2401:25E 510.00FairCLR6664 30.09NA
2401:05E 310.00FairCLR6664 30.09NA
2400:45E 310.00FairCLR6664 30.09NA
2400:25E 310.00FairCLR6664 30.09NA
2400:05E 310.00FairCLR6664 30.09NA
2323:45Calm10.00FairCLR6664 30.10NA
2323:25Calm10.00FairCLR6664 30.10NA
2323:05Calm10.00FairCLR6864 30.10NA
2322:45Calm10.00FairCLR6866 30.09NA
2322:25Calm10.00FairCLR6866 30.09NA
2322:05Calm10.00FairCLR7064 30.09NA
2321:50Vrbl 510.00ClearSKC7064 30.09NA
2321:45Calm10.00FairCLR7064 30.09NA
2321:25Calm10.00FairCLR7264 30.08NA
2321:05Calm10.00FairCLR7264 30.08NA
2320:53NE 810.00Mostly CloudyBKN2007264 30.06NA
2320:45Calm10.00FairCLR7263 30.06NA
2320:25Calm10.00FairCLR7363 30.07NA
2320:05Calm10.00FairCLR7561 30.06NA
2319:47E 910.00Mostly CloudyBKN2007561 30.06NA
2318:46E 1210.00Mostly CloudyBKN2507959 30.06NA
2317:47E 1210.00Partly CloudyFEW040 SCT2508161 30.07NA
2316:47E 1510.00A Few CloudsFEW040 FEW2508161 30.07NA
2315:45NE 1210.00A Few CloudsFEW040 FEW1508161 30.09NA
2314:50NE 1510.00A Few CloudsFEW040 FEW1508164 30.10NA
2313:50NE 1410.00A Few CloudsFEW0408164 30.11NA
2312:52E 1510.00A Few CloudsFEW0407963 30.12NA
2311:50NE 1410.00ClearSKC7763 30.13NA
2310:51NE 1410.00ClearSKC7563 30.12NA
2309:50NE 1710.00ClearSKC7261 30.13NA
2307:50NE 1310.00ClearSKC6864 30.12NA
2306:50NE 88.00ClearSKC6664 30.10NA
2306:45Calm7.00FairCLR6664 30.10NA
2306:25Calm7.00FairCLR6664 30.09NA
2306:05Calm7.00FairCLR6664 30.09NA
2305:45Calm7.00FairCLR6666 30.08NA
2305:25Calm7.00FairCLR6666 30.08NA
2305:05Calm7.00FairCLR6666 30.06NA
2304:45Calm7.00FairCLR6868 30.05NA
2304:25Calm5.00 Fog/MistCLR6868 30.05NA
2304:05Calm7.00FairCLR6868 30.05NA
2303:45Calm7.00FairCLR6868 30.04NA
2303:25Calm7.00FairCLR7068 30.04NA
2303:05Calm7.00FairCLR7070 30.03NA
2302:45NE 37.00FairCLR7070 30.03NA
2302:25Calm7.00FairCLR7070 30.04NA
2302:05NE 310.00FairCLR7270 30.04NA
2301:45NE 510.00FairCLR7270 30.04NA
2301:25NE 510.00FairCLR7270 30.04NA
2301:05NE 510.00FairCLR7272 30.04NA
2300:45NE 310.00FairCLR7272 30.04NA
2300:25N 310.00FairCLR7272 30.04NA
2300:05Calm10.00FairCLR7372 30.03NA
2223:45Calm10.00FairCLR7372 30.03NA
2223:25Calm7.00Partly CloudySCT0497373 30.03NA
2223:05Calm10.00FairCLR7373 30.03NA
2222:45Calm7.00FairCLR7373 30.03NA
2222:25Calm10.00FairCLR7373 30.03NA
2222:05Calm10.00FairCLR7573 30.02NA
2221:49N 610.00ClearSKC7573 30.01NA
2221:45Calm7.00FairCLR7573 30.01NA
2221:25Calm10.00FairCLR7773 30.00NA
2221:05Calm10.00Partly CloudySCT0807773 29.99NA
2220:46N 710.00Partly CloudySCT0807773 29.98NA
2220:45Calm10.00OvercastOVC0807773 29.98NA
2220:25Calm10.00Mostly CloudyBKN0807973 29.97NA
2220:05Calm10.00OvercastOVC0707973 29.97NA
2219:47NW 710.00Mostly CloudyBKN0707973 29.97NA
2218:48NW 710.00Partly CloudySCT023 SCT0708173 29.96NA
2217:47N 1210.00Mostly CloudySCT025 BKN0368172 29.96NA
2216:47N 710.00Mostly CloudyBKN025 BKN0338172 29.98NA
2215:55NW 1210.00Mostly CloudySCT025 BKN1508172 29.98NA
2213:50W 810.00OvercastOVC1507572 29.98NA
2212:50NW 1410.00OvercastFEW020 OVC1507572 29.98NA
2210:55NW 1010.00OvercastFEW015 BKN100 OVC2007570 30.01NA
2209:50W 1010.00OvercastSCT095 OVC2007370 30.00NA
2208:51Vrbl 510.00OvercastSCT120 OVC2007370 29.98NA
2207:50Vrbl 510.00Mostly CloudySCT130 BKN2007270 29.98NA
2206:50W 1210.00OvercastFEW070 OVC1507066 29.96NA
2206:45W 910.00FairCLR7070 29.96NA
2206:25S 610.00FairCLR7068 29.93NA
2206:05SW 510.00 Light RainSCT047 SCT070 SCT0807068 29.95NA
2205:45W 10 G 1710.00 Light RainSCT075 SCT090 BKN1207068 29.99NA0.03
2205:25SW 1510.00 Light RainSCT080 SCT1207068 29.97NA0.02
2205:05SW 17 G 2610.00 Light RainSCT060 BKN080 BKN0907068 29.98NA0.01
2204:45W 17 G 2910.00 RainBKN060 BKN070 OVC1207070 29.99NA0.05
2204:25W 22 G 3110.00 Light Rain and BreezySCT060 SCT070 BKN1207270 30.02NA0.02
2204:05S 1210.00 Thunderstorm Light Rain in VicinitySCT070 SCT080 BKN1207566 29.95NA0.01
2203:45S 9 G 2110.00 Thunderstorm Light Rain in VicinitySCT050 BKN100 OVC1207366 29.92NA0.05
2203:25S 217.00 Thunderstorm Rain in Vicinity and BreezySCT039 BKN060 OVC0707268 29.93NA0.03
2203:05S 20 G 2410.00 Thunderstorm RainSCT041 BKN050 OVC0557070 29.96NA0.01
2202:45SW 9 G 187.00 Thunderstorm RainSCT042 OVC0507070 29.98NA0.05
2202:25S 1410.00 Thunderstorm RainBKN050 BKN080 OVC1207070 29.95NA0.01
2202:05SE 310.00 Thunderstorm Light RainSCT026 SCT046 BKN1106868 29.96NA
2201:45E 85.00 Thunderstorm Heavy RainSCT028 SCT045 BKN0706868 29.95NA0.07
2201:25E 710.00 Thunderstorm Light RainSCT100 SCT1207070 29.97NA0.01
2201:05E 1010.00 Thunderstorm Light RainSCT039 SCT060 BKN1007070 30.00NA0.01
2200:45NE 77.00 Thunderstorm RainSCT020 BKN049 OVC1007070 30.04NA0.69
2200:25NE 65.00 Thunderstorm RainSCT005 BKN035 OVC0756868 30.07NA0.66
2123:45N 17 G 2810.00 Thunderstorm in VicinitySCT049 BKN070 OVC0857568 30.00NA
2123:25N 13 G 2110.00OvercastBKN070 OVC0957768 29.99NA
2123:05N 16 G 3010.00Partly CloudySCT070 SCT0957970 29.96NA
2122:45Calm10.00FairCLR8173 29.91NA
2122:25Calm10.00FairCLR8270 29.90NA
2122:05Calm10.00FairCLR8270 29.88NA
2121:55S 910.00A Few CloudsFEW2008468 29.85NA
2121:45SW 710.00FairCLR8468 29.85NA
2121:25SW 810.00FairCLR8868 29.84NA
2121:05SW 910.00FairCLR8668 29.83NA
2120:57S 1210.00A Few CloudsFEW2008868 29.82NA
2120:45S 810.00FairCLR8668 29.83NA
2120:25S 710.00FairCLR8868 29.85NA
2120:05SW 810.00FairCLR8868 29.88NA
2119:50SW 1210.00A Few CloudsFEW2508870 29.88NA
2118:45SW 1210.00A Few CloudsFEW2509168 29.89NA
2116:51SW 1210.00A Few CloudsFEW080 FEW2509570 29.91NA
2115:47SW 1710.00Partly CloudyFEW060 SCT2509568 29.92NA
D
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Time
(cdt)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond. AirDwptMax.Min.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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