condition mean min max 4 h after light 13.97775 13.5565 14.399 8 h after light 10.25095 10.0261 10.4758 12 h after light 8.670355 8.30552 9.03519 4 h after dark 10.23239 9.34617 10.7627 8 h after dark 10.582126666666666 9.12478 11.5055 12 h after dark 14.993233333333334 14.1396 15.9022