Monthly Mean Temperature Data

Raw Data relative to Expected Monthly Means

NORFOLK KARL STEFAN MEM ARPT Raw Mean Temperature
High Resolution Version | Data Table

Difference from Regional Expectation

NORFOLK KARL STEFAN MEM ARPT difference from regional expectation
High Resolution Version

Breakpoint Adjusted Annual Average Comparison

NORFOLK KARL STEFAN MEM ARPT comparison to regional expectation
High Resolution Version

Mean Rate of Change ( °C / Century )

Raw monthly anomalies0.77
After quality control0.76
After breakpoint alignment0.90
Regional expectation during same months1.00 ± 0.08
National average during same months 0.93 ± 0.10
Global land average during same months 1.06 ± 0.04

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)		 Correlation
(R value)
Raw Monthly Anomalies ± 1.6 0.95
After Quality Control ± 1.4 0.96
After Breakpoint Adjustment ± 1.3 0.96

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 11

Station ID Codes

COOP255990
COOP255995
COOP255997
FAAOFK
GHCNDUSC00255990
GHCNDUSC00255997
GHCNDUSW00014941
GHCNM42572556000
GSOD725560-14941
GSOD999999-14941
HADCRU725560
ICAOKOFK
NCDC20013330
NCDC20013341
NCDC30072020
NWSNFLN1
NWSOFK
USAF725560
WBAN14941
WMO72556
WMSSC725560
WWR72556

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.