condition mean min max 4 h after light 149.5685 142.435 156.702 8 h after light 118.85849999999999 116.193 121.524 12 h after light 122.2875 120.012 124.563 4 h after dark 134.36566666666667 129.946 141.249 8 h after dark 149.147 143.094 153.117 12 h after dark 157.08 152.881 159.848