condition mean min max 0 h after light 5.26133 4.91371 5.60895 2 h after light 7.99138 7.85045 8.13231 4 h after light 4.84463 4.56744 5.12182 8 h after light 3.056255 2.97474 3.13777 12 h after light 4.90553 4.6373 5.17376 2 h after dark 4.350135 4.07763 4.62264 4 h after dark 3.277155 3.21633 3.33798 8 h after dark 4.67532 4.52625 4.82439 12 h after dark 5.043825 4.43558 5.65207