condition mean min max 4 h after light 702.7790070000001 636.914966 768.643048 8 h after light 683.5341175 678.378645 688.68959 12 h after light 556.3247085 507.340437 605.30898 4 h after dark 608.1315635000001 587.323431 628.939696 8 h after dark 626.956736 593.869368 660.044104 12 h after dark 557.435229 557.435229 557.435229