condition mean min max 1 h after light 8.150633659 7.2780109 9.023256417999999 3 h after light 6.682275766 4.65547893 7.700061501 5 h after light 7.565621868333333 7.042663044 8.25871276 7 h after light 7.459081208333334 5.988019031 8.641014473 9 h after light 6.3513984400000005 4.548230093 7.680614852000001 11 h after light 8.183307701 7.229018985 9.854874553 1 h after dark 8.220469783333334 6.2552080189999995 10.52495423 3 h after dark 8.149815962666667 7.647539055 8.938381702000001 5 h after dark 9.373026696333334 9.071260373 9.703455812 7 h after dark 8.912917031333333 8.083457898999999 10.33633779 9 h after dark 9.709148785666667 8.865683172 10.67116398 11 h after dark 10.113568796000001 9.189037132000001 11.35858362