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 anomalies1.87
After quality control1.76
After breakpoint alignment2.49
Regional expectation during same months2.44 ± 0.17
National average during same months 1.44 ± 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 ± 3.8 0.81
After Quality Control ± 1.8 0.95
After Breakpoint Adjustment ± 1.8 0.95

Quality Control Summary

Months missing 10 or more days 53
Serially repeated daily or monthly values 25
Extreme local outliers 2
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 1
Total Observations Rejected by Quality Control 54

Station ID Codes

COOP505366
COOP505881
FAAMHM
GHCNDUSC00505881
GHCNDUSW00026512
GHCNM42570246001
GSOD702460-26512
GSOD702460-99999
GSOD999999-26512
ICAOPAMH
NCDC20022239
NCDC20022242
NCDC30015538
NWSLHMA2
NWSMHM
USAF702460
WBAN26512
WBAN26543
WMO70246

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.