condition mean min max 0 h after light 1.2890615 0.783673 1.79445 4 h after light 1.297059 0.883038 1.71108 8 h after light 1.628435 1.59546 1.66141 4 h after dark 1.156675 1.10387 1.20948 8 h after dark 1.4945499999999998 1.44546 1.54364 12 h after dark 1.8240500000000002 1.78885 1.85925