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 anomalies1.30
After quality control1.30
After breakpoint alignment0.94
Regional expectation during same months1.02 ± 0.11
National average during same months 1.62 ± 0.08
Global land average during same months 1.70 ± 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 0.89
After Quality Control ± 1.4 0.91
After Breakpoint Adjustment ± 1.3 0.92

Quality Control Summary

Months missing 10 or more days 20
Serially repeated daily or monthly values 12
Extreme local outliers 0
Regional climatology outliers 0
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 23

Station ID Codes

COOP414671
FAAJCT
GHCNDUSW00013973
GHCNM42574740000
GSOD722635-13973
GSOD747400-13973
GSOD999999-13973
ICAOKJCT
NCDC20024741
USAF722635
USAF747400
WBAN13973
WMO74740

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.