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 anomalies2.39
After quality control-0.68
After breakpoint alignment0.88
Regional expectation during same months1.09 ± 0.41
National average during same months 0.97 ± 0.32
Global land average during same months 0.40 ± 0.07

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.6 0.54
After Quality Control ± 2.0 0.54
After Breakpoint Adjustment ± 1.0 0.81

Quality Control Summary

Months missing 10 or more days 357
Serially repeated daily or monthly values 12
Extreme local outliers 10
Regional climatology outliers 17
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 12
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 376

Station ID Codes

CA701
GHCNDZA000067561
GHCNM15567561000
GSOD675610-99999
HADCRU675610
ICAOFLND
USAF675610
WMO67561
WMSSC675610

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.