condition mean min max 4 h after light 2027.6081075 1528.155134 2527.061081 8 h after light 2705.5182485 2629.881363 2781.155134 12 h after light 2318.50123 1657.162207 2979.840253 4 h after dark 1622.2648519999998 1316.671547 1927.858157 8 h after dark 1349.8713275 944.04906 1755.693595 12 h after dark 614.454382 614.454382 614.454382