Temperature Monitoring Station:
MITTARFIK ILULISSAT (JAKOBSHAVN LUFTHAVN)

Monthly Mean Temperature Data

Raw Data relative to Expected Monthly Means

Difference from Regional Expectation

Breakpoint Adjusted Annual Average Comparison

Mean Rate of Change ( °C / Century )

Raw monthly anomalies		1.82
After quality control		1.83
After breakpoint alignment		1.56
Regional expectation during same months		1.59 ± 1.00
National average during same months		-
Global land average during same months		0.87 ± 0.08

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 2.5	0.93
After Quality Control	± 2.3	0.94
After Breakpoint Adjustment	± 2.2	0.94

Quality Control Summary

Months missing 10 or more days	47
Serially repeated daily or monthly values	26
Extreme local outliers	1
Regional climatology outliers	6
Abrupt jumps	0
Marked as bad or manually changed by source	0
Exceeds global climatological range	0
Isolated observations	4
Frame shift repetitions	0
TMAX / TMIN inconsistency	0
TAVG outside TMAX / TMIN range	0
Total Observations Rejected by Quality Control	57

Station ID Codes

GHCNM	43104221000
GSOD	042022-99999
GSOD	042160-99999
GSOD	042163-99999
HADCRU	42160
ICAO	BGJN
USAF	42022
USAF	42160
USAF	42163
WMO	4221
WMSSC	42160

ID codes may be repeated if the identification of the station changed during its history or if two different records were found to contain the same data, in which case the records would be merged.