condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.229205 0.221945 0.236465 12 h after light 0.0 0.0 0.0 4 h after dark 0.06952633333333333 0.0 0.208579 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0