condition mean min max 4 h after light 0.7345539999999999 0.680275 0.788833 8 h after light 0.969785 0.86147 1.0781 12 h after light 0.8026435 0.223307 1.38198 4 h after dark 0.25769433333333336 0.0 0.595743 8 h after dark 0.6306663333333333 0.368156 1.10305 12 h after dark 1.0933453333333332 0.432878 2.18618