condition mean min max 0 h after light 1.9660449999999998 1.85593 2.07616 4 h after light 1.3592300000000002 1.0716 1.64686 8 h after light 1.028285 0.22041 1.83616 4 h after dark 1.7025635000000001 0.670987 2.73414 8 h after dark 1.5768749999999998 1.24904 1.90471 12 h after dark 1.2335794999999998 0.895829 1.57133