condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.02757446666666667 0.0 0.0827234 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.02387766666666667 0.0 0.071633 9 h after dark 0.0 0.0 0.0 12 h after dark 0.07062553333333334 0.0 0.112361