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 anomalies0.54
After quality control0.53
After breakpoint alignment0.55
Regional expectation during same months0.65 ± 0.16
National average during same months 0.91 ± 0.12
Global land average during same months 1.03 ± 0.05

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.2 0.90
After Quality Control ± 1.2 0.90
After Breakpoint Adjustment ± 1.1 0.92

Quality Control Summary

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

Station ID Codes

COOP412797
COOP412799
FAAELP
GHCNDUSW00023044
GHCNDUSW00023080
GHCNM42500412797
GHCNM42572270000
GSOD722700-23044
GSOD999999-23080
HADCRU722700
ICAOKELP
NCDC20025156
NCDC20025176
NWSELP
USAF722700
WBAN23044
WBAN23080
WMO72270
WMSSC722700
WWR72270

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.