condition mean min max 4 h after light 55.616707 51.715821 59.517593 8 h after light 75.581262 57.346202 93.816322 12 h after light 61.4699825 60.299451 62.640514 4 h after dark 60.251997 56.21836 64.285634 8 h after dark 62.2145365 61.567076 62.861997 12 h after dark 51.302558 51.302558 51.302558