condition mean min max 0 h after light 2.130045 1.93361 2.32648 2 h after light 1.706235 1.53239 1.88008 4 h after light 3.5742200000000004 3.5249 3.62354 8 h after light 4.659775 4.34622 4.97333 12 h after light 2.892505 2.79881 2.9862 2 h after dark 2.221335 2.10069 2.34198 4 h after dark 2.2045700000000004 1.91311 2.49603 8 h after dark 3.33894 2.77591 3.90197 12 h after dark 2.143625 2.10181 2.18544