condition mean min max 3 h after light 3.73879 3.28034 4.01778 6 h after light 5.104386666666667 4.13711 6.23049 9 h after light 5.4315066666666665 5.1802 5.74771 12 h after light 6.8967325 5.76017 8.43115 3 h after dark 7.460610000000001 5.71576 8.6301 6 h after dark 7.647203333333334 7.14695 8.33915 9 h after dark 6.223703333333333 5.6505 6.9985 12 h after dark 5.904165000000001 5.70382 6.10451