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-4.13
After quality control0.07
After breakpoint alignment0.85
Regional expectation during same months1.34 ± 0.29
National average during same months 1.43 ± 0.23
Global land average during same months 1.07 ± 0.07

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 6.6 0.22
After Quality Control ± 2.6 0.56
After Breakpoint Adjustment ± 2.2 0.66

Quality Control Summary

Months missing 10 or more days 95
Serially repeated daily or monthly values 23
Extreme local outliers 0
Regional climatology outliers 64
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 10
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 161

Station ID Codes

FAAGMMP
FAAGPEY
GHCNDMOW00013017
GHCNM13060120001
GSOD601190-99999
GSOD601200-99999
GSOD999999-13017
HADCRU601190
ICAOGMMP
NCDC20029816
NCDC20029822
USAF601190
USAF601200
WBAN13008
WBAN13017
WMO60120
WMSSC601190
WMSSC601200

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.