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 anomalies21.52
After quality control11.75
After breakpoint alignment3.98
Regional expectation during same months3.43 ± 0.45
National average during same months 3.44 ± 0.24
Global land average during same months 2.92 ± 0.16

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 8.4 0.34
After Quality Control ± 2.2 0.87
After Breakpoint Adjustment ± 1.4 0.94

Quality Control Summary

Months missing 10 or more days 39
Serially repeated daily or monthly values 26
Extreme local outliers 10
Regional climatology outliers 11
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 1
Total Observations Rejected by Quality Control 42

Station ID Codes

COOP346842
GHCNDUSC00346842
GSOD723410-99999
NCDC20014616
NCDC30000077
NWSPGEO2
USAF723410
WMO72341

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.