condition mean min max 4 h after light 41.802216 36.335708 47.268724 8 h after light 45.9658805 42.711548 49.220213 12 h after light 39.713744 36.0509 43.376588 4 h after dark 36.885522 36.885522 36.885522 8 h after dark 37.384001999999995 33.284757 41.483247 12 h after dark 29.889331 29.889331 29.889331