condition mean min max 0 h after light 5.109305 4.73884 5.47977 4 h after light 5.352265 5.26422 5.44031 8 h after light 5.165330000000001 4.86293 5.46773 4 h after dark 4.08014 3.44989 4.71039 8 h after dark 4.29725 3.98942 4.60508 12 h after dark 5.391970000000001 5.12444 5.6595