condition mean min max 4 h after light 2.7999476666666667 2.727472 2.933712 8 h after light 2.820153 2.3409419999999996 3.6909050000000003 12 h after light 1.3732933333333333 1.281274 1.4680549999999999 16 h after light 13.112399666666665 2.34361 33.68935 4 h after dark 2.244097 2.032676 2.560078 8 h after dark 1.4865943333333334 1.4270100000000001 1.5174379999999998