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 anomalies0.31
After quality control0.22
After breakpoint alignment0.84
Regional expectation during same months0.94 ± 0.09
National average during same months 1.02 ± 0.08
Global land average during same months 1.17 ± 0.02

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.0 0.86
After Quality Control ± 2.0 0.85
After Breakpoint Adjustment ± 1.8 0.88

Quality Control Summary

Months missing 10 or more days 32
Serially repeated daily or monthly values 19
Extreme local outliers 0
Regional climatology outliers 3
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 1
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 42

Station ID Codes

COOP452064
COOP452066
FAA07S
FAADEW
GHCNDUSC00452066
GHCNDUSW00094119
GSOD727870-94119
GSOD727870-99999
GSOD999999-94119
ICAOK07S
ICAOKDEW
NCDC20027836
NCDC20027837
NWSDEW
USAF727870
WBAN94119
WMO72787

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.