condition mean min max 4 h after light 4.26884 4.1109599999999995 4.35462 8 h after light 4.297203333333333 4.2549 4.38051 12 h after light 4.346023333333333 4.10757 4.5896300000000005 4 h after dark 4.32456 4.2438 4.38014 8 h after dark 4.37985 4.34221 4.44381 12 h after dark 4.429180000000001 4.25066 4.7121900000000005