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 anomalies0.77
After quality control0.75
After breakpoint alignment1.54
Regional expectation during same months1.55 ± 0.27
National average during same months 0.97 ± 0.09
Global land average during same months 1.10 ± 0.03

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 3.8 0.90
After Quality Control ± 3.6 0.91
After Breakpoint Adjustment ± 3.4 0.91

Quality Control Summary

Months missing 10 or more days 15
Serially repeated daily or monthly values 8
Extreme local outliers 2
Regional climatology outliers 3
Abrupt jumps 1
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 5
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 2
Total Observations Rejected by Quality Control 24

Station ID Codes

COOP502607
FAAEAA
GHCNDUSC00502607
GHCNDUSW00026422
GHCNM42570291002
GSOD701975-26422
GSOD701975-99999
GSOD702224-99999
GSOD999999-26422
HADCRU702820
ICAOPAEG
NCDC20022287
NCDC30000856
NWSEGLA2
USAF701975
USAF702224
WBAN26422
WMSSC702820

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.