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-1.32
After quality control-1.72
After breakpoint alignment0.51
Regional expectation during same months0.62 ± 0.35
National average during same months -
Global land average during same months 0.84 ± 0.06

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.6 0.49
After Quality Control ± 1.5 0.53
After Breakpoint Adjustment ± 0.9 0.67

Quality Control Summary

Months missing 10 or more days 1
Serially repeated daily or monthly values 8
Extreme local outliers 5
Regional climatology outliers 1
Abrupt jumps 1
Marked as bad or manually changed by source 3
Exceeds global climatological range 0
Isolated observations 0
Frame shift repetitions 0
TMAX / TMIN inconsistency 3
TAVG outside TMAX / TMIN range 2
Total Observations Rejected by Quality Control 9

Station ID Codes

COOP669763
COOP669766
GHCNDRQC00669763
GHCNDRQC00669766
GSOD999999-11639
NCDC20023895
NCDC20023899
NCDC20023900
NCDC20024019
NCDC20024027
WBAN11638
WBAN11639

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.