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 anomalies0.85
After quality control0.82
After breakpoint alignment1.01
Regional expectation during same months1.35 ± 0.18
National average during same months 0.78 ± 0.10
Global land average during same months 1.13 ± 0.04

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 7.0 0.69
After Quality Control ± 2.2 0.95
After Breakpoint Adjustment ± 2.0 0.96

Quality Control Summary

Months missing 10 or more days 54
Serially repeated daily or monthly values 37
Extreme local outliers 7
Regional climatology outliers 7
Abrupt jumps 1
Marked as bad or manually changed by source 3
Exceeds global climatological range 0
Isolated observations 11
Frame shift repetitions 9
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 67

Station ID Codes

COOP505644
FAAMLY
GHCNDUSC00505644
GSOD701791-99999
GSOD701793-26524
GSOD701793-99999
GSOD999999-26524
ICAOPAML
NCDC20022310
NCDC20022311
NWSMLY
USAF701791
USAF701793
WBAN26505
WBAN26524
WMO70179

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.