condition mean min max 4 h after light 2.886318 2.839671 2.952943 8 h after light 2.193607666666667 1.484185 2.56277 12 h after light 1.7853809999999999 1.425402 2.3408759999999997 16 h after light 2.8542243333333333 2.3828110000000002 3.3869860000000003 4 h after dark 2.4193996666666666 2.127542 2.7121470000000003 8 h after dark 1.531279 1.467914 1.5990030000000002