condition mean min max 4 h after light 4.89204 4.66678 5.03905 8 h after light 4.984566666666667 4.8836900000000005 5.09808 12 h after light 5.08845 4.9565 5.2103 4 h after dark 4.96886 4.82102 5.16098 8 h after dark 4.891543333333334 4.8132 4.980980000000001 12 h after dark 4.990903333333333 4.94816 5.0189699999999995