condition mean min max 4 h after light 13.32466 13.2762 13.40935 8 h after light 13.173356666666667 13.120460000000001 13.238270000000002 12 h after light 12.84849 12.69238 12.973939999999999 4 h after dark 13.13607 12.94338 13.334779999999999 8 h after dark 13.106323333333334 12.5572 13.50092 12 h after dark 13.15392 13.140920000000001 13.167489999999999