Weather observations for the past three days for
St. Charles, St. Charles County Smartt Airport
Metric (Imperial)
Date Time (cdt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
20 09:54 Calm 16.09 Fair CLR 16.7 7.8 56% 76.02 1013.2
20 08:54 Calm 16.09 Fair CLR 12.2 8.3 77% 76.02 1013.3
20 07:54 Calm 16.09 Fair CLR 6.1 5 93% 76.02 1013.2
20 06:54 Calm 16.09 Fair CLR 5 3.9 11.7 5 93% 76 1012.9
20 05:54 Calm 16.09 Fair CLR 5 4.4 96% 75.97 1012.8
20 04:54 Calm 16.09 Fair CLR 7.2 5.6 90% 75.95 1012.3
20 03:54 Calm 16.09 Fair CLR 6.7 5.6 93% 75.95 1012.4
20 02:54 Calm 16.09 Fair CLR 8.3 6.7 90% 76.02 1013.3
20 01:54 NE 6 16.09 Fair CLR 9.4 6.7 83% 76.07 1013.9
20 00:54 NE 6 16.09 Fair CLR 11.1 6.7 23.3 10 75% 76.1 1014.3
19 23:54 E 7 16.09 Fair CLR 11.7 7.2 74% 76.12 1014.5
19 22:54 NE 7 16.09 Fair CLR 10.6 6.7 77% 76.12 1014.7
19 21:54 E 9 16.09 Fair CLR 15.6 6.7 56% 76.12 1014.7
19 20:54 E 13 16.09 Fair CLR 16.1 6.1 52% 76.12 1014.7
19 19:54 NE 9 16.09 Fair CLR 18.3 5.6 43% 76.1 1014.4
19 18:54 N 7 16.09 Fair CLR 23.3 3.9 26.7 21.1 28% 76.07 1014.1
19 17:54 W 7 16.09 Fair CLR 26.7 2.8 21% 26 76.05 1013.8
19 16:54 S 13 16.09 Fair CLR 26.1 4.4 25% 26 76.07 1013.9
19 15:54 S 9 16.09 Fair CLR 25.6 5 27% 26 76.1 1014.4
19 14:54 S 13 16.09 Fair CLR 24.4 5.6 30% 25 76.15 1015.1
19 13:54 SE 19 16.09 Fair CLR 22.8 5 32% 76.23 1016.1
19 12:54 S 19 16.09 Mostly Cloudy BKN120 20.6 5 21.1 2.8 36% 76.28 1016.9
19 11:54 SE 11 16.09 Mostly Cloudy BKN120 19.4 5.6 41% 76.3 1017.2
19 10:54 E 7 16.09 Mostly Cloudy BKN110 15 6.7 58% 76.33 1017.4
19 09:54 E 9 16.09 Overcast OVC110 12.8 5.6 62% 76.33 1017.5
19 08:54 E 7 16.09 A Few Clouds FEW100 10 5.6 74% 9 76.3 1017.2
19 07:54 E 7 16.09 A Few Clouds FEW110 5 3.9 93% 4 76.33 1017.4
19 06:54 Calm 16.09 Fair CLR 3.9 3.3 7.2 3.3 96% 76.3 1017.2
19 05:54 Calm 16.09 Fair CLR 5.6 3.3 85% 76.28 1016.7
19 04:54 E 6 16.09 A Few Clouds FEW110 5 3.3 89% 76.23 1016.1
19 03:54 E 7 16.09 Fair CLR 3.3 1.7 89% 2 76.23 1016.1
19 02:54 NE 6 16.09 Fair CLR 5 3.3 89% 76.28 1016.8
19 01:54 NE 7 16.09 Fair CLR 5.6 3.9 89% 4 76.28 1016.7
19 00:54 E 6 16.09 Fair CLR 7.2 3.9 16.7 6.1 80% 76.28 1016.9
18 23:54 NE 7 16.09 Fair CLR 6.7 4.4 85% 6 76.3 1017.4
18 22:54 E 7 16.09 Fair CLR 7.8 3.9 77% 7 76.33 1017.7
18 21:54 E 9 16.09 Fair CLR 8.3 3.9 74% 7 76.3 1017.3
18 20:54 NE 6 16.09 Fair CLR 10.6 3.9 64% 76.28 1016.7
18 19:54 E 6 16.09 Fair CLR 11.7 5.6 66% 76.23 1016.3
18 18:54 Calm 16.09 Fair CLR 16.7 3.9 19.4 15.6 43% 76.17 1015.6
18 17:54 W 9 16.09 Fair CLR 19.4 2.2 32% 76.17 1015.4
18 16:54 W 9 16.09 Fair CLR 19.4 1.1 30% 76.15 1015.2
18 15:54 SW 13 16.09 Fair CLR 18.9 0.6 29% 76.15 1015.2
18 14:54 NW 17 16.09 Fair CLR 18.3 1.7 33% 76.17 1015.6
18 13:54 W 13 16.09 Fair CLR 17.2 -0.6 30% 76.2 1015.7
18 12:54 Calm 0.00 NULL NULL 15.6 -1.7 15.6 1.1 31% 76.2 1015.8
18 11:54 SW 15 16.09 Fair CLR 12.8 -1.7 37% 76.23 1016.2
18 10:54 S 15 16.09 Fair CLR 10.6 -2.2 41% 76.23 1016.3
18 09:54 S 17 16.09 Fair CLR 7.8 -1.7 51% 5 76.23 1016.5
18 08:54 SE 11 16.09 Fair CLR 4.4 -2.8 60% 2 76.25 1016.6
18 07:54 SE 7 16.09 Fair CLR 1.7 -3.9 67% -0 76.23 1016.5
18 06:54 SE 13 16.09 Overcast OVC085 1.7 -4.4 1.7 0.6 64% -2 76.23 1016.4 0.03
18 05:54 SE 13 16.09 Overcast BKN080 OVC110 1.1 -4.4 67% -2 76.23 1016.3 0.03
18 04:54 SE 17 16.09 Unknown Precip OVC070 1.1 -4.4 67% -3 76.25 1016.8
18 03:54 S 17 16.09 Overcast FEW065 SCT085 OVC110 1.7 -7.2 52% -2 76.28 1017.3
18 02:54 SE 13 16.09 Overcast BKN070 OVC085 1.1 -7.2 54% -2 76.33 1017.9
18 01:54 SE 13 16.09 Overcast BKN070 OVC085 1.1 -6.7 56% -2 76.4 1018.9
18 00:54 SE 19 16.09 Mostly Cloudy FEW070 BKN100 0.6 -7.2 1.1 0 56% -4 76.43 1019.2
17 23:54 SE 20 16.09 Mostly Cloudy BKN080 1.1 -7.2 54% -3 76.48 1020.0
17 22:54 SE 19 16.09 Overcast BKN055 OVC065 1.1 -7.8 52% -3 76.53 1020.8
17 21:54 SE 22 16.09 Overcast BKN055 OVC075 1.1 -8.9 48% -4 76.58 1021.3
17 20:54 SE 17 16.09 Overcast OVC050 0.6 -11.1 42% -4 76.61 1022.0
17 19:54 SE 11 16.09 Overcast FEW065 OVC085 0.6 -10.6 43% -2 76.61 1021.9
17 18:54 S 9 16.09 Overcast OVC080 0 -13.9 0 -4.4 35% -3 76.63 1022.2
17 17:54 S 15 16.09 Overcast OVC080 0 -15.6 30% -4 76.68 1022.7
17 16:54 SE 6 16.09 Mostly Cloudy BKN110 -0.6 -15 33% 76.71 1023.2
17 15:54 SW 9 16.09 Fair CLR -0.6 -16.1 30% -3 76.76 1024.0
17 14:54 SW 9 16.09 Fair CLR -1.7 -15.6 34% -5 76.86 1025.2
17 13:54 SW 9 16.09 Fair CLR -2.8 -15.6 37% -6 76.91 1025.8
17 12:54 SW 13 16.09 Fair CLR -3.9 -13.3 -3.9 -10 48% -8 76.91 1025.9
17 11:54 Vrbl 9 16.09 Fair CLR -5 -13.9 50% -9 76.94 1026.1
17 10:54 SW 13 16.09 Fair CLR -6.7 -16.1 48% -12 76.99 1026.7
Date Time (cdt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)