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-1.94
After quality control-1.93
After breakpoint alignment0.75
Regional expectation during same months0.85 ± 0.11
National average during same months 0.91 ± 0.08
Global land average during same months 1.07 ± 0.03

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.7 0.77
After Quality Control ± 2.7 0.78
After Breakpoint Adjustment ± 1.7 0.90

Quality Control Summary

Months missing 10 or more days 8
Serially repeated daily or monthly values 6
Extreme local outliers 0
Regional climatology outliers 0
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 2
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 10

Station ID Codes

COOP103940
COOP103942
COOP104845
COOP108906
FAASUN
GHCNDUSC00103940
GHCNDUSC00103942
GHCNDUSC00104845
GHCNM42500104845
GSOD725865-94161
GSOD725865-99999
GSOD999999-94161
HADCRU726815
ICAOKSUN
NCDC10003002
NCDC10100218
NCDC10100219
NCDC30002347
NWSHLYI1
NWSKETI1
NWSSUN
USAF725865
WBAN94161

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.