condition mean min max 0 h after light 2.42516 2.12516 2.72516 2 h after light 2.64689 2.35084 2.94294 4 h after light 2.218175 1.99124 2.44511 8 h after light 2.6896 2.54975 2.82945 12 h after light 3.02424 2.73079 3.31769 2 h after dark 3.235485 2.4131 4.05787 4 h after dark 3.46241 3.18398 3.74084 8 h after dark 2.780215 2.678 2.88243 12 h after dark 2.286695 2.13505 2.43834