condition mean min max 4 h after light 4325.6757020000005 3765.080886 4886.270518 8 h after light 4809.887253999999 4645.953063 4973.821445 12 h after light 4720.3510355 4415.88763 5024.814441 4 h after dark 4057.2042445 3584.176432 4530.232057 8 h after dark 3828.658133 3649.331369 4007.984897 12 h after dark 4060.60413 4060.60413 4060.60413