condition mean min max 4 h after light 6.34286 5.82741 6.85831 8 h after light 4.3052150000000005 4.17327 4.43716 12 h after light 4.743525 4.44095 5.0461 4 h after dark 5.662563333333333 5.49923 5.83209 8 h after dark 6.6049500000000005 6.15272 7.1372 12 h after dark 5.966003333333333 5.60426 6.15892