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-7.86
After quality control0.05
After breakpoint alignment1.09
Regional expectation during same months0.95 ± 0.14
National average during same months 0.94 ± 0.15
Global land average during same months 1.01 ± 0.07

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 8.3 -0.31
After Quality Control ± 0.6 0.71
After Breakpoint Adjustment ± 0.4 0.90

Quality Control Summary

Months missing 10 or more days 12
Serially repeated daily or monthly values 0
Extreme local outliers 0
Regional climatology outliers 92
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 104

Station ID Codes

CA312000000017
GHCNM31281202000
GSOD812020-99999
HADCRU812020
ICAOSMNI
USAF812020
WMO81202
WMSSC812020
WWR81202

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.