condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0618955 0.0 0.371373 10 h after light 0.028238 0.0 0.169428 14 h after light 0.029508999999999997 0.0 0.177054 18 h after light 0.027450666666666665 0.0 0.164704 2 h after dark 0.0 0.0 0.0