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Big Horn County Airport, Montana

Small airport in Big Horn County, Montana

Air quality

The air at Big Horn County Airport

Index 23, good, led by fine particles. Read at 2 AM from its reporting area, Billings (MT), 41 miles off.

23Good
  • Fine particles (PM2.5)23Good-
  • Ozone15Good-

The days ahead

Yesterday measured 32, good.

Smoke, the next 40 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Big Horn County Airport

None in the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Big Horn County Airport, the next 40 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

Airfield

Code
00U
ICAO
-
IATA
-
Field elevation
3,025 ft
Serves
Hardin
Kind
Small airport
Scheduled service
No
Its own instrument
00U
Wind now
Calm, read 16 Oct, 02:30

Measured here

What the airfield's own instrument measured, the last 24 hours

Every hour from Big Horn County (00U), Big Horn County Airport's own instrument, measure by measure, on the field's own clock.

Temperature

26 F at 2 AM; 55 F at its warmest, 12 PM Thursday, and 26 F at its coolest, 2 AM.

Now
26F
2 AM
Highest
55F
12 PM Thursday
Lowest
26F
2 AM
Temperature and Dew point at Big Horn County, temperature from 26.0 to 55.4, the latest 26.0; dew point from 21.8 to 37.4, the latest 23.6, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF20304050606 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMFREEZINGTEMPERATUREDEW POINT

How it is measured: Stevenson screen and siting, Field Book FB-INS-009

Humidity and dew point

A dew point of 24 F, the air 91% saturated; the humidity ran from 31% at 4 PM Thursday to 91% at 2 AM.

Dew point now
24F
2 AM
Humidity now
91%
Humidity, range
31 to 91%
Relative humidity at Big Horn County, relative humidity from 31 to 91, the latest 91, in per cent.RELATIVE HUMIDITY%204060801006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

How it is measured: Humidity variables, Field Book FB-WAT-002

Wind

1 mph from the east at 2 AM; at its strongest 21 mph, 2 PM Thursday, with a gust of 32 mph at 12 PM Thursday.

Now
1mph
from the east
Strongest
21mph
2 PM Thursday
Highest gust
32mph
12 PM Thursday
Wind and Gust at Big Horn County, wind from 1 to 21, the latest 1; gust from 12 to 32, the latest 18, in miles an hour.WIND AND GUSTmph0102030406 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMWINDGUST
Wind direction at Big Horn County, wind direction from 40 to 340, the latest 80, in degrees.WIND DIRECTION°0901802703606 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

30.70 inHg at 2 AM, falling 0.04 inHg over 3 hours; 0.28 inHg higher than a day before.

Now
30.70inHg
2 AM
3 hours
-0.04inHg
falling
24 hours
+0.28inHg
Pressure, altimeter at Big Horn County, pressure, altimeter from 30.42 to 30.74, the latest 30.70, in inches of mercury.PRESSURE, ALTIMETERinHg30.4030.5030.6030.7030.806 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

How it is measured: Hydrostatic balance, Field Book FB-ENG-003

Visibility

10 miles or more every hour.

Now
10+mi
Lowest
10+mi
Hours under a mile
0
Visibility at Big Horn County, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMLIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

Cloud base

The lowest cloud base came down to 3,300 ft at 7 PM Thursday; a base was reported in 13 of the hours.

Lowest base now
-
Lowest in 24 hours
3,300ft
7 PM Thursday
Hours with a base reported
13
Lowest cloud base at Big Horn County, lowest cloud base from 3,300 to 8,500, the latest 4,400, in feet.LOWEST CLOUD BASEft2,0004,0006,0008,00010,0006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMMVFRVFR

How it is measured: Cloud classification, Field Book FB-SKY-001

Precipitation

None measured in the gauge in the last 24 hours.

Last 24 hours
0.00in
Wettest hour
-
Hours with some
0

How it is measured: ASOS, Field Book FB-INS-002

Big Horn County: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 5 instruments nearest Big Horn County Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.

measured now3 instruments

Big Horn County00U

At an airfield/0.0 mi away/2,999 ft/26 ft below here

temp, wind, gust, visibility, precip, pressure

Little Big Horn RAWSLBHM8

A remote fire weather station/16.2 mi away/3,228 ft/203 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Hardin 0.5 WSWMT-BH-8

In a volunteer observer's own ground/2.1 mi away/2,917 ft/108 ft below here

precip, snowfall, snow depth

HardinHDNM8

At a cooperative observer's station/2.7 mi away/2,907 ft/118 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Hardin (HDNM8), 2.7 miles from here, read 15 Oct, 17:00. measured daily

Elsewhere in Montana

20 places, each with its own forecast and its own instruments.

Near Big Horn County Airport

The nearest places, each with its own forecast and the instruments nearest it.

Near Big Horn County Airport