condition mean min max 0 h after light 49.2485 47.5434 50.9536 4 h after light 65.46815000000001 59.3206 71.6157 8 h after light 138.5645 130.136 146.993 4 h after dark 151.4915 131.566 171.417 8 h after dark 99.8522 94.7624 104.942 12 h after dark 59.7183 49.155 70.2816