condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.059877766666666665 0.0 0.163471 12 h after light 0.05429833333333334 0.0 0.106424 4 h after dark 0.1133091 0.0444532 0.226162 8 h after dark 0.0584705 0.0 0.111453 12 h after dark 0.13809443333333335 0.0435201 0.276058