condition mean min max 4 h after light 25.36465 23.8624 26.8669 8 h after light 19.827849999999998 19.7582 19.8975 12 h after light 17.74135 16.9661 18.5166 4 h after dark 19.25215 17.7701 20.7342 8 h after dark 20.948050000000002 20.8461 21.05 12 h after dark 27.44095 27.0797 27.8022