condition mean min max 4 h after light 32.5768985 32.295496 32.858301 8 h after light 29.146276 26.853647 31.438905 12 h after light 25.7537545 24.566131 26.941378 4 h after dark 27.613445 25.721465 29.505425 8 h after dark 29.181294 28.721799 29.640789 12 h after dark 33.474342 33.474342 33.474342