condition mean min max 0 h after light 5.3247599999999995 5.19297 5.45655 4 h after light 5.57183 5.51435 5.62931 8 h after light 6.186915 5.69329 6.68054 4 h after dark 7.248445 6.99426 7.50263 8 h after dark 7.45089 6.7064 8.19538 12 h after dark 4.913805 4.56372 5.26389