condition mean min max 4 h after light 2769.6 2769.6 2769.6 8 h after light 3194.0 2949.2 3438.8 12 h after light 3461.1499999999996 3458.1 3464.2 4 h after dark 3268.3500000000004 3262.3 3274.4 8 h after dark 3394.1 2757.0 4031.2 12 h after dark 3533.3 3061.5 4005.1