condition mean min max 0 h after light 6.649845 5.65329 7.6464 2 h after light 19.495800000000003 18.0791 20.9125 4 h after light 16.17345 15.6299 16.717 8 h after light 6.72604 5.51792 7.93416 12 h after light 14.749849999999999 11.6653 17.8344 2 h after dark 9.508405 9.16733 9.84948 4 h after dark 6.239495 6.00054 6.47845 8 h after dark 7.498735 6.68232 8.31515 12 h after dark 9.01988 7.44056 10.5992