condition mean min max 4 h after light 11.1413145 11.035119 11.24751 8 h after light 14.203318500000002 11.931703 16.474934 12 h after light 13.777826000000001 11.018088 16.537564 4 h after dark 10.8136595 10.449927 11.177392 8 h after dark 10.3610455 9.538025 11.184066 12 h after dark 12.03781 12.03781 12.03781