condition mean min max 4 h after light 4615.233333333334 4337.302 4817.782 8 h after light 2834.0533333333333 2074.021 4082.083 12 h after light 1480.4113333333332 1304.5739999999998 1688.9460000000001 16 h after light 2335.407333333333 1919.2879999999998 2980.7709999999997 4 h after dark 3680.578 2994.196 4470.585 8 h after dark 3250.66 1717.781 4175.891