condition mean min max 2 h after light 0.7937106666666667 0.0 3.86947 6 h after light 0.8187648333333333 0.0 1.84455 10 h after light 0.1420665 0.0 0.852399 14 h after light 1.3031626666666667 0.0 3.17458 18 h after light 0.2345525 0.0 0.738289 2 h after dark 1.33422 0.0 3.81385