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 anomalies0.66
After quality control0.36
After breakpoint alignment0.87
Regional expectation during same months0.85 ± 0.18
National average during same months 0.99 ± 0.10
Global land average during same months 1.19 ± 0.06

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 4.2 0.66
After Quality Control ± 1.5 0.93
After Breakpoint Adjustment ± 1.2 0.95

Quality Control Summary

Months missing 10 or more days 18
Serially repeated daily or monthly values 13
Extreme local outliers 4
Regional climatology outliers 4
Abrupt jumps 1
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 9
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 30

Station ID Codes

COOP365649
COOP365650
COOP365651
COOP365654
GHCNDUSC00365650
GHCNDUSC00365651
GHCNDUSC00365654
GHCNDUSW00014812
GSOD999999-14812
NCDC20017010
NCDC20017011
NCDC20017012
NCDC20017024
NCDC20017025
NWSMERP1
WBAN14812

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.