condition mean min max 2 h after light 2.3308733333333334 2.23499 2.38887 6 h after light 1.7828600000000001 1.75137 1.84245 10 h after light 1.0114563333333333 0.769539 1.26629 2 h after dark 2.56144 2.2952 3.03479 6 h after dark 4.1618933333333334 4.01541 4.3563 10 h after dark 6.50072 6.29598 6.66437