condition mean min max 4 h after light 144.2234105 100.34117 188.105651 8 h after light 159.314854 126.321614 192.308094 12 h after light 131.5290445 124.002512 139.055577 4 h after dark 102.1091135 71.063093 133.155134 8 h after dark 93.031705 89.85132 96.21209 12 h after dark 57.855776 57.855776 57.855776