condition	mean	min	max
4 h after light	3646.334375	3047.762602	4244.906148
8 h after light	2843.745435	2828.162635	2859.328235
12 h after light	3220.409504	3191.897374	3248.921634
4 h after dark	2703.4168795	2330.832471	3076.001288
8 h after dark	2581.5777735	2024.484198	3138.671349
12 h after dark	3434.226217	3434.226217	3434.226217