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 anomalies1.05
After quality control0.96
After breakpoint alignment1.12
Regional expectation during same months1.14 ± 0.16
National average during same months 0.92 ± 0.11
Global land average during same months 1.08 ± 0.04

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 4.8 0.47
After Quality Control ± 2.2 0.74
After Breakpoint Adjustment ± 1.9 0.79

Quality Control Summary

Months missing 10 or more days 38
Serially repeated daily or monthly values 27
Extreme local outliers 0
Regional climatology outliers 21
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 2
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 1
Total Observations Rejected by Quality Control 61

Station ID Codes

COOP196676
COOP196681
FAAPVC
GHCNDUSC00196676
GHCNDUSC00196681
GHCNM42500196681
GHCNM42574494003
GSOD725073-64708
GSOD725073-99999
GSOD999999-64708
ICAOKPVC
NCDC20009208
NCDC20009209
NCDC30002122
NWSPVTM3
USAF725073
WBAN64708

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.