condition mean min max 3 h after light 0.358291 0.148755 0.525879 6 h after light 1.127353 0.885009 1.49231 9 h after light 1.37246 1.21668 1.57149 12 h after light 2.16630675 0.436617 3.54934 3 h after dark 2.4758633333333333 1.89215 3.54984 6 h after dark 1.7259966666666666 1.03961 2.15822 9 h after dark 1.0624483333333332 0.855595 1.31511 12 h after dark 0.5333175 0.417099 0.649536