condition mean min max 0 h after light 0.516082 0.464929 0.567235 4 h after light 0.7991064999999999 0.683056 0.915157 8 h after light 2.4610149999999997 2.45491 2.46712 4 h after dark 2.05775 1.67789 2.43761 8 h after dark 0.9681614999999999 0.768223 1.1681 12 h after dark 0.5345545 0.514975 0.554134