condition mean min max 0 h after light 6.8616399999999995 6.11474 7.60854 2 h after light 3.70201 3.65945 3.74457 4 h after light 3.3248800000000003 3.14686 3.5029 8 h after light 3.437175 3.03443 3.83992 12 h after light 6.615069999999999 5.34378 7.88636 2 h after dark 7.68778 7.19996 8.1756 4 h after dark 7.79565 6.64031 8.95099 8 h after dark 9.675709999999999 8.84272 10.5087 12 h after dark 8.47442 8.30729 8.64155