condition mean min max 0 h after light 4.1379649999999994 3.9081 4.36783 4 h after light 4.2191 3.64347 4.79473 8 h after light 4.09254 3.92408 4.261 4 h after dark 4.611025 4.49604 4.72601 8 h after dark 4.180295 4.09266 4.26793 12 h after dark 4.153805 3.97034 4.33727