condition mean min max 0 h after light 6.06956 5.84588 6.29324 2 h after light 5.17054 5.12601 5.21507 4 h after light 5.589475 4.9356 6.24335 8 h after light 4.30858 3.34913 5.26803 12 h after light 5.038965 4.67135 5.40658 2 h after dark 6.192195 5.31554 7.06885 4 h after dark 6.5746199999999995 5.70067 7.44857 8 h after dark 7.8122549999999995 7.08146 8.54305 12 h after dark 6.14626 5.28364 7.00888