condition mean min max 4 h after light 2.0214350000000003 1.76973 2.27314 8 h after light 2.6750249999999998 2.23837 3.11168 12 h after light 3.331485 3.02949 3.63348 4 h after dark 4.7654250000000005 4.47976 5.05109 8 h after dark 3.900905 3.87611 3.9257 12 h after dark 3.31712 3.29167 3.34257