condition mean min max 4 h after light 12.471629499999999 12.202824 12.740435 8 h after light 13.0256065 12.43557 13.615643 12 h after light 12.228660999999999 12.021752 12.43557 4 h after dark 13.4964285 13.313107 13.67975 8 h after dark 11.208205 10.676335 11.740075 12 h after dark 12.830038 12.830038 12.830038