condition mean min max 0 h after light 9.42015 8.6184 10.2219 2 h after light 4.70831 4.47231 4.94431 4 h after light 5.770379999999999 5.524 6.01676 8 h after light 6.169895 5.04535 7.29444 12 h after light 6.114475 5.108 7.12095 2 h after dark 7.6049050000000005 7.27361 7.9362 4 h after dark 8.5173 8.163 8.8716 8 h after dark 10.30293 8.96776 11.6381 12 h after dark 9.45066 8.66482 10.2365