condition mean min max 3 h after light 0.8496846666666666 0.807714 0.902939 6 h after light 0.5824119999999999 0.499615 0.693398 9 h after light 0.6455803333333333 0.473126 0.92586 12 h after light 1.0236025 0.662725 1.78417 3 h after dark 1.2353176666666665 0.875303 1.47715 6 h after dark 1.7832266666666667 1.59208 1.9332 9 h after dark 2.15951 1.5993 2.61849 12 h after dark 1.55585 1.53235 1.57935