condition mean min max 0 h after light 3.02086 2.40981 3.63191 2 h after light 8.191365 7.7251 8.65763 4 h after light 12.527999999999999 11.1809 13.8751 8 h after light 8.193495 6.30469 10.0823 12 h after light 15.351849999999999 14.1991 16.5046 2 h after dark 20.3497 18.7018 21.9976 4 h after dark 13.44435 13.3007 13.588 8 h after dark 10.81005 10.1191 11.501 12 h after dark 4.7922899999999995 4.78287 4.80171