condition mean min max 4 h after light 20.292123333333336 10.24875 26.45595 8 h after light 22.774726666666666 15.41025 34.3347 12 h after light 10.554371999999999 9.671106 11.19614 16 h after light 41.63478 33.69435 52.88261 4 h after dark 13.820803333333332 11.22232 15.76879 8 h after dark 4.068214333333333 3.2970089999999996 4.6810279999999995