Narrative:

In the weather packet; the field conditions listed ZZZ as having plowed runways with mu values in the mid 30's. During the approach; we noticed a thin layer of snow on runway; which was to be expected since it was lightly snowing. Upon landing; we immediately realized that the snow was thicker than it appeared; and the runway had not been plowed. Since we could clearly see the boundaries of the runway; runway side lights; and taxiway lights; we continued with the landing. The runway centerline was poorly visible. We knew at all times where we were; but it was unacceptable the runway was not plowed. I told the ramp personnel that the runway needed to be plowed. The braking action was fair. Part 2: in the morning at ZZZ2; dispatch called us to inform us our flight would be delayed 45 minutes to an 1 hour. ZZZ1 had poor field conditions (which we knew) and the mu values were in the teens; and that ZZZ1 was going to plow; sand; and take new mu readings. While waiting in ZZZ2 operations; I left to use the restroom; and I told the first officer to answer the phone if dispatch called. I came back and I was told that dispatch called; said the mu values were in the 30's and we were good to take off. 15 miles from landing in ZZZ1; I (pilot not flying) made a call on CTAF stating our position. Unicom told us that the winds were calm; altimeter setting; and that the runways and taxiways were plowed and open. (Certain taxiways and runway X/Y had been closed the previous high-speed -- because they were not plowed from previous snow events.) during the approach; we could clearly see the airport. We could clearly see the runways and taxiways. The runways and taxiways were white -- which during the winter is not unusual after snowfall. The runway lights were on; we used the VASI and ILS Z as a backup to our visual approach to runway Z. On short final; we thought we saw the centerline. Over the threshold; we knew that the runway had not been plowed since what we thought was the centerline; was actually the tracks of our landing from the night before. Plus there were tire tracks from a pickup truck. We could see the centerline markings (poorly) through our old tire tracks. The landing was uneventful. Winds were calm; sky clear; and 10 miles visibility. Braking action was fair.

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Original NASA ASRS Text

Title: SF340 captain reports receiving inaccurate field condition reports for destination airport.

Narrative: In the weather packet; the field conditions listed ZZZ as having plowed runways with Mu values in the mid 30's. During the approach; we noticed a thin layer of snow on runway; which was to be expected since it was lightly snowing. Upon landing; we immediately realized that the snow was thicker than it appeared; and the runway had not been plowed. Since we could clearly see the boundaries of the runway; runway side lights; and taxiway lights; we continued with the landing. The runway centerline was poorly visible. We knew at all times where we were; but it was unacceptable the runway was not plowed. I told the ramp personnel that the runway needed to be plowed. The braking action was fair. Part 2: In the morning at ZZZ2; Dispatch called us to inform us our flight would be delayed 45 minutes to an 1 hour. ZZZ1 had poor field conditions (which we knew) and the Mu values were in the teens; and that ZZZ1 was going to plow; sand; and take new Mu readings. While waiting in ZZZ2 Operations; I left to use the restroom; and I told the First Officer to answer the phone if Dispatch called. I came back and I was told that Dispatch called; said the Mu values were in the 30's and we were good to take off. 15 miles from landing in ZZZ1; I (Pilot Not Flying) made a call on CTAF stating our position. UNICOM told us that the winds were calm; altimeter setting; and that the runways and taxiways were plowed and open. (Certain taxiways and Runway X/Y had been closed the previous high-speed -- because they were not plowed from previous snow events.) During the approach; we could clearly see the airport. We could clearly see the runways and taxiways. The runways and taxiways were white -- which during the winter is not unusual after snowfall. The runway lights were on; we used the VASI and ILS Z as a backup to our visual approach to Runway Z. On short final; we thought we saw the centerline. Over the threshold; we knew that the runway had not been plowed since what we thought was the centerline; was actually the tracks of our landing from the night before. Plus there were tire tracks from a pickup truck. We could see the centerline markings (poorly) through our old tire tracks. The landing was uneventful. Winds were calm; sky clear; and 10 miles visibility. Braking action was fair.

Data retrieved from NASA's ASRS site as of May 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.