Temperature Monitoring Station:
RAROTONGA AIRP. / RAROTON

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		1.02
After quality control		0.92
After breakpoint alignment		0.82
Regional expectation during same months		0.89 ± 0.19
National average during same months		-
Global land average during same months		1.08 ± 0.03

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 0.7	0.90
After Quality Control	± 0.5	0.94
After Breakpoint Adjustment	± 0.5	0.94

Quality Control Summary

Months missing 10 or more days	1
Serially repeated daily or monthly values	1
Extreme local outliers	3
Regional climatology outliers	18
Abrupt jumps	1
Marked as bad or manually changed by source	0
Exceeds global climatological range	0
Isolated observations	0
Frame shift repetitions	0
TMAX / TMIN inconsistency	0
TAVG outside TMAX / TMIN range	0
Total Observations Rejected by Quality Control	21

Station ID Codes

CA	110
CA	112
CA	113
GHCNM	52591843000
GSOD	918430-99999
GSOD	918440-99999
HADCRU	918430
ICAO	NCRG
USAF	918430
USAF	918440
WMO	91843
WMO	91844
WMSSC	918430

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.