Weather archive in Casper, Natrona County (airport)
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| Date / Local time | T | Po | P | Pa | U | DD | Ff | ff10 | ff3 | N | WW | W1 | W2 | Tn | Tx | Cl | Nh | H | Cm | Ch | VV | Td | RRR | tR | E | Tg | E' | sss | |
| 2026 September 20, Sunday | 12 | 12.2 54 | 630.5 24.82 840.6 840.6 | 764.1 30.08 1018.72 1018.72 | -0.4 -0.02 -0.53 -0.53 | 75 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 8.3 47 | 12.2 54 | 300-600 984-1968 | 16.0 9.9 | 7.8 46 | 1.0 0.04 | 6 | |||||||||||||
09 | 8.9 48 | 630.9 24.84 841.13 841.13 | 765.2 30.13 1020.18 1020.18 | 0.6 0.02 0.8 0.8 | 89 | Wind blowing from the west-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | 1000-1500 3281-4921 | 14.0 8.7 | 7.2 45 | 0.3 0.01 | 3 | |||||||||||||||
06 | 9.4 49 | 630.3 24.81 840.33 840.33 | 762.7 30.03 1016.85 1016.85 | 0.5 0.02 0.67 0.67 | 90 | Wind blowing from the south-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 8.9 48 | 23.9 75 | 600-1000 1968-3281 | 16.0 9.9 | 7.8 46 | 0.8 0.03 | 6 | ||||||||||||||
03 | 11.1 52 | 629.8 24.8 839.66 839.66 | 761.9 30 1015.78 1015.78 | -0.5 -0.02 -0.67 -0.67 | 97 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | 10.6 51 | ||||||||||||||||||
00 | 11.7 53 | 630.3 24.81 840.33 840.33 | 762.4 30.02 1016.45 1016.45 | 0.2 0.01 0.27 0.27 | 89 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 9.4 49 | 22.8 73 | 300-600 984-1968 | 16.0 9.9 | 10.0 50 | 1.0 0.04 | 6 | ||||||||||||||
| September 19, Saturday | 21 | 12.2 54 | 630.1 24.81 840.06 840.06 | 763.0 30.04 1017.25 1017.25 | 2.2 0.09 2.93 2.93 | 90 | Wind blowing from the north | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | 10.6 51 | 1.0 0.04 | 3 | ||||||||||||||
18 | 22.8 73 | 627.9 24.72 837.13 837.13 | 759.5 29.9 1012.58 1012.58 | -0.2 -0.01 -0.27 -0.27 | 27 | Wind blowing from the south-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 50%. 5/10. 4 oktas | 9.4 49 | 23.9 75 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 2.8 37 | ||||||||||||||||
15 | 22.8 73 | 628.1 24.73 837.4 837.4 | 759.9 29.92 1013.12 1013.12 | -1.3 -0.05 -1.73 -1.73 | 37 | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 2000-2500 6562-8202 | 16.0 9.9 | 7.2 45 | |||||||||||||||||||
12 | 21.7 71 | 629.4 24.78 839.13 839.13 | 760.9 29.96 1014.45 1014.45 | -0.4 -0.02 -0.53 -0.53 | 39 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 20–30%. 2/10–3/10. 2 oktas | 10.0 50 | 21.7 71 | 1500-2000 4921-6562 | 16.0 9.9 | 7.2 45 | |||||||||||||||