condition mean min max 0 h after light 14.705200000000001 14.3534 15.057 2 h after light 12.087150000000001 11.5272 12.6471 4 h after light 17.86425 17.0992 18.6293 8 h after light 13.98075 11.6855 16.276 12 h after light 36.73375 35.1979 38.2696 2 h after dark 32.642700000000005 30.6327 34.6527 4 h after dark 19.74365 18.3772 21.1101 8 h after dark 22.202350000000003 21.506 22.8987 12 h after dark 16.718 15.0978 18.3382