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 anomalies2.58
After quality control1.83
After breakpoint alignment1.73
Regional expectation during same months1.79 ± 0.23
National average during same months 1.12 ± 0.20
Global land average during same months 2.22 ± 0.10

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.6 0.85
After Quality Control ± 1.3 0.83
After Breakpoint Adjustment ± 1.3 0.83

Quality Control Summary

Months missing 10 or more days 2
Serially repeated daily or monthly values 1
Extreme local outliers 0
Regional climatology outliers 156
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 158

Station ID Codes

GHCNDASN00072091
GHCNDASN00072161
GHCNM50194916000
GSOD949160-99999
GSOD959160-99999
HADCRU949160
USAF949160
USAF959160
WMO94916
WMO95916
WMSSC949160
WMSSC959160
WWR95916

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.