condition mean min max 4 h after light 164.883648 141.535239 188.232057 8 h after light 165.033079 147.260116 182.806042 12 h after light 195.1576565 185.382737 204.932576 4 h after dark 172.3376835 165.359715 179.315652 8 h after dark 185.517934 178.740115 192.295753 12 h after dark 172.681899 172.681899 172.681899