condition mean min max 0 h after light 62.5209 59.6395 65.4023 4 h after light 83.37635 77.9377 88.815 8 h after light 77.4851 72.9231 82.0471 4 h after dark 71.19045 70.9836 71.3973 8 h after dark 78.86760000000001 76.4064 81.3288 12 h after dark 71.32155 59.5594 83.0837