condition mean min max 0 h after light 4.3124400000000005 4.16949 4.45539 4 h after light 16.2596 14.2511 18.2681 8 h after light 29.89965 28.8612 30.9381 4 h after dark 6.769925 6.71489 6.82496 8 h after dark 5.3597 5.10728 5.61212 12 h after dark 4.540979999999999 3.5301 5.55186