condition mean min max 3 h after light 2.175343333333333 1.18147 3.88086 6 h after light 1.7249503333333334 0.390251 3.26558 9 h after light 2.1042943333333333 0.515433 4.08719 12 h after light 2.35170125 0.344649 5.13154 3 h after dark 1.7299066666666667 1.33205 2.36821 6 h after dark 1.591904 0.635352 2.81309 9 h after dark 1.561143 0.574009 2.69589 12 h after dark 3.30079 1.46576 5.13582