condition mean min max 3 h after light 0.0046921083333333335 0.0 0.0563053 7 h after light 0.0 0.0 0.0 11 h after light 0.0067761 0.0 0.0813132 2 h after dark 0.0 0.0 0.0 6 h after dark 0.00942025 0.0 0.113043 10 h after dark 0.0 0.0 0.0