condition mean min max 4 h after light 2.8934623333333334 2.826133 2.987317 8 h after light 2.086424 1.484552 2.418877 12 h after light 1.36806 1.292009 1.518702 16 h after light 9.53729 2.568696 23.23911 4 h after dark 2.722890666666667 2.314204 3.160686 8 h after dark 1.504726 1.492054 1.519717