condition mean min max 4 h after light 5.662e-08 7.24e-09 1.06e-07 8 h after light 0.0155071 0.0070374 0.0239768 12 h after light 0.00776895 0.0 0.0155379 4 h after dark 0.0105041 0.0 0.0211492 8 h after dark 0.0036549173333333333 0.0 0.0109645 12 h after dark 0.00170339 0.0 0.00511017