condition mean min max 4 h after light 185.3692395 181.638923 189.099556 8 h after light 179.11291549999999 167.291672 190.934159 12 h after light 147.7569665 109.120489 186.393444 4 h after dark 104.5505055 102.770522 106.330489 8 h after dark 94.23772550000001 80.814931 107.66052 12 h after dark 118.052091 118.052091 118.052091