condition mean min max 4 h after light 159.903988 126.462826 193.34515 8 h after light 172.47002 166.189062 178.750978 12 h after light 208.1932515 176.274205 240.112298 4 h after dark 389.3503555 237.522174 541.178537 8 h after dark 490.43282 382.200409 598.665231 12 h after dark 362.865986 362.865986 362.865986