condition mean min max 4 h after light 5.48557 5.23068 5.69613 8 h after light 5.4584 5.30658 5.7146099999999995 12 h after light 5.3682 5.23615 5.48451 4 h after dark 5.194416666666667 5.167730000000001 5.21685 8 h after dark 5.273826666666666 5.20699 5.38185 12 h after dark 5.317783333333334 5.11252 5.4959