condition mean min max 4 h after light 1208.000525 561.632431 1854.368619 8 h after light 305.3757175 126.093971 484.657464 12 h after light 194.91092500000002 181.155134 208.666716 4 h after dark 1377.9357545 508.33062 2247.540889 8 h after dark 3310.771392 3238.300295 3383.242489 12 h after dark 2520.82019 2520.82019 2520.82019