condition mean min max 2 h after light 5.53576 2.69731 9.95751 6 h after light 3.3338866666666664 1.46989 7.30425 10 h after light 5.649008333333334 2.98314 10.0321 14 h after light 4.8481250000000005 1.22883 7.16085 18 h after light 5.4191666666666665 2.4617 10.1267 2 h after dark 5.1590405 0.849233 12.761