condition mean min max 0 h after light 5.431635 4.91461 5.94866 2 h after light 4.50531 3.88291 5.12771 4 h after light 8.37276 7.18712 9.5584 8 h after light 14.25715 12.8583 15.656 12 h after light 7.62986 7.364 7.89572 2 h after dark 5.26107 5.11002 5.41212 4 h after dark 7.1163799999999995 6.78115 7.45161 8 h after dark 4.809945 4.66805 4.95184 12 h after dark 5.214455 5.11273 5.31618