condition mean min max 0 h after light 5.52632 5.50279 5.54985 4 h after light 4.00393 3.90212 4.10574 8 h after light 9.435749999999999 9.19707 9.67443 4 h after dark 8.65195 8.02871 9.27519 8 h after dark 5.677334999999999 4.72669 6.62798 12 h after dark 5.52959 5.26673 5.79245