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 anomalies5.35
After quality control2.32
After breakpoint alignment0.33
Regional expectation during same months0.82 ± 0.37
National average during same months 0.90 ± 0.32
Global land average during same months 0.52 ± 0.07

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 3.8 0.39
After Quality Control ± 1.3 0.69
After Breakpoint Adjustment ± 1.2 0.69

Quality Control Summary

Months missing 10 or more days 131
Serially repeated daily or monthly values 9
Extreme local outliers 0
Regional climatology outliers 13
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 24
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 146

Station ID Codes

GHCNDGV000001811
GHCNM12061811000
GSOD618110-99999
HADCRU618110
ICAOGUSI
USAF618110
WMO61811
WMSSC618110

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.