condition mean min max 4 h after light 3885.105 2649.135 5058.28 8 h after light 3970.818889 2120.28 6273.5 12 h after light 18103.063334333332 6634.423333 26191.89667 1.5 h after dark 31609.480000000003 4796.92 63659.48 5.5 h after dark 18056.325556666667 5806.02 26455.16 9.5 h after dark 6677.648888 3710.836667 12259.82333