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 anomalies1.14
After quality control1.10
After breakpoint alignment1.31
Regional expectation during same months1.37 ± 0.21
National average during same months 1.50 ± 0.09
Global land average during same months 1.55 ± 0.06

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.5 0.77
After Quality Control ± 1.2 0.82
After Breakpoint Adjustment ± 1.2 0.83

Quality Control Summary

Months missing 10 or more days 8
Serially repeated daily or monthly values 8
Extreme local outliers 5
Regional climatology outliers 33
Abrupt jumps 1
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 45

Station ID Codes

COOP508419
FAASYA
GHCNDUSW00045708
GHCNDUSW00045714
GHCNDUSW00045715
GHCNM42570414000
GSOD704140-45715
GSOD704140-99999
GSOD999999-45708
GSOD999999-45714
HADCRU704140
ICAOPASY
NCDC20021756
NWSSYA
USAF704140
WBAN45708
WBAN45714
WBAN45715
WMO70414
WMSSC704140
WWR70414

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.