condition mean min max 0 h after light 1.4501534999999999 0.854107 2.0462 4 h after light 1.712135 1.51308 1.91119 8 h after light 2.30915 2.25649 2.36181 4 h after dark 2.76953 2.34457 3.19449 8 h after dark 2.10984 1.67938 2.5403 12 h after dark 1.0901809999999998 0.681152 1.49921