condition mean min max 4 h after light 47.4659325 44.432498 50.499367 8 h after light 56.68114 48.319035 65.043245 12 h after light 63.134634999999996 48.66399 77.60528 4 h after dark 44.2924725 41.706924 46.878021 8 h after dark 39.3753565 33.54413 45.206583 12 h after dark 103.078214 103.078214 103.078214