condition mean min max 4 h after light 2.55991 1.15982 3.96 8 h after light 1.837125 1.63194 2.04231 12 h after light 2.260795 1.90361 2.61798 4 h after dark 1.3116733333333332 1.0906 1.69283 8 h after dark 2.340953333333333 1.19405 3.38783 12 h after dark 2.392386666666667 1.84507 3.10607