Table 9 Out of range flags.

From: Transcribing historical Canadian weather data

Variable

Range (original units)

SI units

flag

Barometric pressure

<27 inHg

914.2 hPa

out of range

<28.5 inHg

965.0 hPa

low value

>30.6 inHg

1036.1 hPa

High value

>32 inHg

1083.5 hPa

out of range

Vapour pressure

<0 inHg

0 hPa

out of range

>2 inHg

6.8 hPa

out of range

Temperature

<−50°F

−45.5 °C

out of range

<−45°F

−42.7 °C

low value

>100°F

37.8 °C

High value

>120°F

48.9 °C

out of range

Relative humidity

<0%

 

out of range

>100%

 

out of range

Wind force

<0

 

out of range

>10

 

out of range

Cloud velocity

<0

 

out of range

>10

 

out of range

Cloud amount

<0

<0

out of range

>10

>8

out of range

Precipitation

<0

 

out of range

>30 in

36.2 cm

out of range