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 anomalies1.25
After quality control1.19
After breakpoint alignment0.76
Regional expectation during same months0.82 ± 0.16
National average during same months 1.08 ± 0.10
Global land average during same months 1.27 ± 0.06

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.3 0.95
After Quality Control ± 1.3 0.96
After Breakpoint Adjustment ± 1.0 0.97

Quality Control Summary

Months missing 10 or more days 5
Serially repeated daily or monthly values 7
Extreme local outliers 1
Regional climatology outliers 1
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 7

Station ID Codes

COOP230815
COOP230817
COOP230820
COOP230824
GHCNDUSC00230815
GHCNDUSC00230817
GHCNDUSC00230820
GHCNDUSC00230824
NCDC20011918
NCDC30001013
NCDC30014894
NCDC30015375
NWSBNLM7
NWSBNVM7
NWSBOOM7
NWSBOVM7

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.