Temperature Monitoring Station:
IWAKUNI MCAS

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		2.10
After quality control		1.98
After breakpoint alignment		1.24
Regional expectation during same months		1.27 ± 0.15
National average during same months		1.24 ± 0.18
Global land average during same months		1.87 ± 0.09

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 1.1	0.86
After Quality Control	± 1.1	0.87
After Breakpoint Adjustment	± 1.0	0.89

Quality Control Summary

Months missing 10 or more days	3
Serially repeated daily or monthly values	4
Extreme local outliers	1
Regional climatology outliers	1
Abrupt jumps	0
Marked as bad or manually changed by source	0
Exceeds global climatological range	0
Isolated observations	1
Frame shift repetitions	0
TMAX / TMIN inconsistency	0
TAVG outside TMAX / TMIN range	0
Total Observations Rejected by Quality Control	5

Station ID Codes

FAA	RIWA
FAA	RJOI
GHCND	JAW00043322
GHCND	JAW00043324
GHCNM	21047764001
GSOD	477640-43324
GSOD	477641-43324
GSOD	477641-99999
GSOD	999999-43322
GSOD	999999-43324
HADCRU	477640
ICAO	RIWA
ICAO	RJOI
NCDC	20029638
NCDC	20029640
USAF	477640
USAF	477641
WBAN	43322
WBAN	43324
WMO	47764

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.