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 anomalies6.88
After quality control6.80
After breakpoint alignment2.61
Regional expectation during same months2.29 ± 0.60
National average during same months 0.11 ± 0.23
Global land average during same months 0.54 ± 0.12

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 3.1 0.92
After Quality Control ± 2.7 0.94
After Breakpoint Adjustment ± 2.3 0.95

Quality Control Summary

Months missing 10 or more days 69
Serially repeated daily or monthly values 15
Extreme local outliers 1
Regional climatology outliers 0
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 3
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 75

Station ID Codes

COOP502988
FAAFWL
GHCNDUSW00026519
GHCNM42570249001
GSOD702480-99999
GSOD999999-26519
HADCRU702480
ICAOPAFK
ICAOPAFW
NCDC20022185
NWSFWL
USAF702480
WBAN26519
WMO70248

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.