condition mean min max 0 h after light 7.118895 6.72973 7.50806 4 h after light 4.7625399999999996 4.18746 5.33762 8 h after light 6.202565 5.99353 6.4116 4 h after dark 7.62284 7.0634 8.18228 8 h after dark 7.6400500000000005 7.53532 7.74478 12 h after dark 5.509705 4.90264 6.11677