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 anomalies11.49
After quality control3.20
After breakpoint alignment1.56
Regional expectation during same months1.59 ± 0.15
National average during same months 1.59 ± 0.13
Global land average during same months 1.52 ± 0.06

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 7.5 0.43
After Quality Control ± 1.5 0.86
After Breakpoint Adjustment ± 1.2 0.88

Quality Control Summary

Months missing 10 or more days 43
Serially repeated daily or monthly values 1
Extreme local outliers 406
Regional climatology outliers 258
Abrupt jumps 2
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 0
Frame shift repetitions 0
TMAX / TMIN inconsistency 432
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 479

Station ID Codes

CA528
GHCNM14862680000
GSOD626800-99999
HADCRU626800
ICAOHSAT
USAF626800
WMO62680
WMSSC626800
WWR62680

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.