condition mean min max 0 h after light 4.579955 3.83923 5.32068 2 h after light 2.9920400000000003 2.9619 3.02218 4 h after light 2.8319650000000003 2.37643 3.2875 8 h after light 2.65983 2.05081 3.26885 12 h after light 6.87732 6.39733 7.35731 2 h after dark 8.89875 8.34774 9.44976 4 h after dark 6.4767600000000005 6.29457 6.65895 8 h after dark 6.733750000000001 6.27043 7.19707 12 h after dark 4.653085 4.05106 5.25511