condition mean min max 3 h after light 0.8952183333333333 0.338415 1.17643 6 h after light 0.9007523333333333 0.828143 0.948468 9 h after light 1.4002436666666667 0.931951 2.05485 12 h after light 2.8361266666666665 1.91166 3.75656 3 h after dark 2.08943 1.92947 2.20622 6 h after dark 0.99945 0.9084 1.05458 9 h after dark 1.246614 0.939492 1.61996 12 h after dark 0.62266 0.41022 0.992514