The data is collected at 00:00 UTC and 12:00 UTC of each day. For Anchorage, AK, (UTC -9:00) that corresponds to 3:00 pm and 3:00 am respectively ... ignoring daylight savings time. Surface temperatures Morning Afternoon C F C F 02-15 -12 10 -5 23 05-15 5 41 9.4 48.9 08-15 10.6 51.0 16.1 61.0