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 anomalies2.45
After quality control1.70
After breakpoint alignment1.35
Regional expectation during same months1.21 ± 0.17
National average during same months 1.19 ± 0.16
Global land average during same months 1.05 ± 0.06

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.2 0.68
After Quality Control ± 1.6 0.76
After Breakpoint Adjustment ± 1.2 0.83

Quality Control Summary

Months missing 10 or more days 56
Serially repeated daily or monthly values 0
Extreme local outliers 10
Regional climatology outliers 18
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 4
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 77

Station ID Codes

CA398
GHCNDMZ000067261
GHCNM13167261000
GSOD672610-99999
HADCRU672610
ICAOFQTE
USAF672610
WMO67261
WMSSC672610
WWR67261

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.