condition mean min max 3 h after light 0.030581366666666665 0.0 0.0917441 6 h after light 0.0 0.0 0.0 9 h after light 0.009759333333333333 0.0 0.029278 12 h after light 0.0 0.0 0.0 3 h after dark 0.012369833333333332 0.0 0.0371095 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0143071 0.0 0.0286142