condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.23029833333333333 0.139263 0.309825 12 h after light 0.221992 0.0 0.397943 4 h after dark 0.21952966666666665 0.0 0.658589 8 h after dark 0.125201 0.0 0.375603 12 h after dark 0.062446 0.0 0.187338