condition mean min max 4 h after light 5.0463249999999995 4.1052 5.98745 8 h after light 4.97168 4.84061 5.10275 12 h after light 4.27975 4.25912 4.30038 4 h after dark 6.227790000000001 6.13258 6.323 8 h after dark 5.9989799999999995 5.95027 6.04769 12 h after dark 6.141495 5.94529 6.3377