condition mean min max 4 h after light 482.14656949999994 396.770518 567.522621 8 h after light 596.7407515 582.30898 611.172523 12 h after light 592.5136190000001 579.811477 605.215761 4 h after dark 612.1094539999999 609.71551 614.503398 8 h after dark 631.916575 607.678016 656.155134 12 h after dark 511.1116 511.1116 511.1116