condition mean min max 4 h after light 0.00279443 0.0 0.00838329 8 h after light 0.03146616666666666 0.0 0.0943985 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0323509 0.0 0.0970527