condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.1118565 0.0 0.223713 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.357391 0.0 0.714782 2 h after dark 0.485028 0.461098 0.508958 4 h after dark 0.1097705 0.0 0.219541 8 h after dark 0.779621 0.691646 0.867596 12 h after dark 0.0 0.0 0.0