Temperature Monitoring Station:
SEMARANG/AHMAD YANI

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		2.52
After quality control		1.42
After breakpoint alignment		1.39
Regional expectation during same months		1.48 ± 0.28
National average during same months		1.20 ± 0.13
Global land average during same months		2.12 ± 0.11

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 2.1	0.40
After Quality Control	± 1.1	0.60
After Breakpoint Adjustment	± 1.0	0.66

Quality Control Summary

Months missing 10 or more days	63
Serially repeated daily or monthly values	12
Extreme local outliers	0
Regional climatology outliers	16
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	79

Station ID Codes

GHCNM	50396839000
GSOD	968370-99999
GSOD	968390-99999
HADCRU	968390
ICAO	WIIS
USAF	968370
USAF	968390
WMO	96837
WMO	96839
WMSSC	968370
WMSSC	968390

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.