condition mean min max 0 h after light 0.05922345 0.0414465 0.0770004 2 h after light 0.0192843 0.0 0.0385686 4 h after light 0.0 0.0 0.0 8 h after light 0.05948985 0.0397605 0.0792192 12 h after light 0.0413076 0.0386678 0.0439474 2 h after dark 0.0198183 0.0 0.0396366 4 h after dark 0.0377035 0.0370037 0.0384033 8 h after dark 0.0 0.0 0.0 12 h after dark 0.01976205 0.0 0.0395241