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 anomalies0.50
After quality control0.46
After breakpoint alignment1.02
Regional expectation during same months0.91 ± 0.38
National average during same months 0.73 ± 0.35
Global land average during same months 0.84 ± 0.23

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.8 0.89
After Quality Control ± 1.6 0.91
After Breakpoint Adjustment ± 1.4 0.93

Quality Control Summary

Months missing 10 or more days 1
Serially repeated daily or monthly values 1
Extreme local outliers 2
Regional climatology outliers 2
Abrupt jumps 0
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 4

Station ID Codes

COOP308731
COOP308733
COOP308737
COOP308739
FAAUCA
GHCNDUSC00308739
GHCNDUSW00094794
GHCNM42500308737
GHCNM42574480006
GHCNM42574480007
GSOD725197-94794
GSOD999999-94794
HADCRU744001
HADCRU756386
ICAOKUCA
NCDC12003860
NCDC20019991
NCDC20020003
NCDC20020016
NCDC20020225
NWSUCA
NWSUTCN6
USAF725197
WBAN94794

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.