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 anomalies2.29
After quality control1.94
After breakpoint alignment1.50
Regional expectation during same months1.44 ± 0.25
National average during same months 0.93 ± 0.08
Global land average during same months 1.11 ± 0.03

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 4.1 0.83
After Quality Control ± 2.2 0.95
After Breakpoint Adjustment ± 2.1 0.95

Quality Control Summary

Months missing 10 or more days 77
Serially repeated daily or monthly values 40
Extreme local outliers 5
Regional climatology outliers 5
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 2
Total Observations Rejected by Quality Control 94

Station ID Codes

COOP503175
FAAFYU
GHCNDUSW00026413
GHCNM42570194001
GSOD701940-26413
GSOD701940-99999
GSOD999999-26413
HADCRU701940
ICAOPFYU
NCDC20022365
NCDC30000726
USAF701940
WBAN26413
WMO70194
WMSSC701940

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.