condition mean min max 2 h after light 1.0297969999999999 0.654091 1.35353 6 h after light 1.0204653333333333 0.859466 1.17817 10 h after light 1.1748086666666666 0.842576 1.55276 2 h after dark 1.730319333333333 0.869698 2.23574 6 h after dark 2.0157700000000003 1.66385 2.36269 10 h after dark 1.8939233333333334 1.70947 2.13902