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 anomalies0.37
After quality control0.38
After breakpoint alignment0.75
Regional expectation during same months0.81 ± 0.19
National average during same months 0.78 ± 0.17
Global land average during same months 1.07 ± 0.05

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.8 0.62
After Quality Control ± 1.8 0.62
After Breakpoint Adjustment ± 1.7 0.68

Quality Control Summary

Months missing 10 or more days 1
Serially repeated daily or monthly values 1
Extreme local outliers 0
Regional climatology outliers 0
Abrupt jumps 0
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 1

Station ID Codes

GHCNDASN00040214
GHCNDASN00040223
GHCNDASN00040842
GHCNDASN00040913
GHCNM50194575001
GHCNM50194578000
GSOD945760-99999
GSOD945780-99999
HADCRU945760
HADCRU945780
ICAOYBBN
USAF945760
USAF945780
WMO94576
WMO94578
WMSSC945760
WMSSC945780
WWR94578

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.