condition mean min max 1 h after light 7.603833309 6.906294739 8.301371879 3 h after light 7.4893836506666664 6.898396545 8.128250137 5 h after light 9.260202019333333 9.08740009 9.38854773 7 h after light 8.763141169 8.638219649 8.912471422000001 9 h after light 8.837688377333333 7.030512745 10.13554053 11 h after light 8.459196098666666 7.183463692 9.830500573 1 h after dark 9.516984578 8.262334138 10.30427469 3 h after dark 8.041193204 7.296380541 8.879973157 5 h after dark 8.716667384666668 8.496162907 8.996903973 7 h after dark 9.382039299333334 7.229286156000001 13.20377119 9 h after dark 7.7397176640000005 7.208686 8.048644006 11 h after dark 7.364208318333333 6.054616059 8.84679035