condition mean min max 4 h after light 98.479609 86.573315 110.385903 8 h after light 101.274172 101.274172 101.274172 12 h after light 108.8854245 100.177284 117.593565 4 h after dark 126.028043 120.830635 131.225451 8 h after dark 130.700137 122.740862 138.659412 12 h after dark 105.905862 105.905862 105.905862