condition mean min max 4 h after light 2041.9693333333332 1789.328 2181.382 8 h after light 1982.9403333333335 1242.276 2555.978 12 h after light 1891.8500000000001 1447.844 2483.561 16 h after light 2631.436 1931.365 3373.091 4 h after dark 2477.703 2447.3360000000002 2519.44 8 h after dark 1728.3623333333333 1439.514 1946.737