condition mean min max 4 h after light 3.480957666666667 3.328837 3.6351989999999996 8 h after light 4.499393333333333 1.654353 9.128606 12 h after light 1.6632443333333333 1.4415129999999998 1.881366 16 h after light 99.72714533333334 3.902036 166.9417 4 h after dark 16.511593 2.6594889999999998 31.8837 8 h after dark 3.364972666666667 1.7029779999999999 6.658971000000001