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 anomalies1.74
After quality control0.72
After breakpoint alignment0.96
Regional expectation during same months1.06 ± 0.11
National average during same months 1.43 ± 0.10
Global land average during same months 1.50 ± 0.06

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.5 0.83
After Quality Control ± 1.9 0.89
After Breakpoint Adjustment ± 1.8 0.90

Quality Control Summary

Months missing 10 or more days 6
Serially repeated daily or monthly values 4
Extreme local outliers 4
Regional climatology outliers 4
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 8
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 9

Station ID Codes

COOP54719
COOP54720
COOP54724
FAALHX
GHCNDUSC00054719
GHCNDUSC00054724
GHCNDUSW00023067
GHCNM42572464004
GSOD724635-23067
GSOD999999-23067
ICAOKLHX
NCDC12001120
NCDC20003470
NCDC20003983
NWSLHX
NWSLJTC2
USAF724635
WBAN23067

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.