condition mean min max 2 h after light 5.0378750000000005 2.93688 8.88968 6 h after light 3.4661233333333334 2.30305 5.80525 10 h after light 5.564025 2.61597 8.1113 14 h after light 4.702171666666667 1.19532 10.4628 18 h after light 3.2106600000000003 2.07593 4.84593 2 h after dark 3.05734 1.98462 4.1653