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St James Municipal Airport, Minnesota

Small airport in Watonwan County, Minnesota

Air quality

The air at St James Municipal Airport

Index 23, good, led by fine particles. Read at 11 PM from its reporting area, South Central Minnesota (MN), 30 miles off.

23Good
  • Fine particles (PM2.5)23Good-
  • Ozone14Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 21, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at St James Municipal Airport

0.56 in in the last 24 hours, and none in the 2 days before, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.56in
Last 3 days
0.56in

Visibility

How far you can see at St James Municipal Airport, the next 45 hours

Visibility stays 6 miles or more through Sat 7 PM, lowest 6 miles Fri 2 AM.

FriSat

Airfield

Code
JYG
ICAO
KJYG
IATA
-
Field elevation
1,067 ft
Serves
St James
Kind
Small airport
Scheduled service
No
Its own instrument
JYG
Wind now
From 310° at 15 mph, read 15 Oct, 23:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
15 / 333,999 ft75 ftAsphalt149° / 329°14 mph head, on 335 mph from the left
15331,000 ftN310° 15 mph
Runways from their surveyed ends, north up, lengths and positions to scale; the rose in the corner is the wind now.

Measured here

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

Every hour from St. James (JYG), St James Municipal Airport's own instrument, measure by measure, on the field's own clock.

Temperature

46 F at 10 PM; 50 F at its warmest, 5 PM, and 43 F at its coolest, 12 AM.

Now
46F
10 PM
Highest
50F
5 PM
Lowest
43F
12 AM
Temperature and Dew point at St. James, temperature from 43.4 to 50.0, the latest 46.4; dew point from 39.8 to 48.8, the latest 41.6, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF35404550Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 42 F, the air 83% saturated; the humidity ran from 74% at 8 PM to 100% at 6 AM.

Dew point now
42F
10 PM
Humidity now
83%
Humidity, range
74 to 100%
Relative humidity at St. James, relative humidity from 74 to 100, the latest 83, in per cent.RELATIVE HUMIDITY%708090100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

15 mph from the west northwest at 10 PM; at its strongest 18 mph, 7 PM, with a gust of 36 mph at 7 PM.

Now
15mph
from the west northwest
Strongest
18mph
7 PM
Highest gust
36mph
7 PM
Wind and Gust at St. James, wind from 3 to 18, the latest 15; gust from 16 to 36, the latest 28, in miles an hour.WIND AND GUSTmph010203040Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at St. James, wind direction from 30 to 360, the latest 300, in degrees.WIND DIRECTION°090180270360Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Pressure

30.09 inHg at 10 PM, steady over 3 hours; 0.08 inHg lower than a day before.

Now
30.09inHg
10 PM
3 hours
+0.02inHg
steady
24 hours
-0.08inHg
Pressure, altimeter at St. James, pressure, altimeter from 30.01 to 30.17, the latest 30.09, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.0530.1030.1530.20Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 2 miles at 12 PM; 10 miles or more now.

Now
10+mi
Lowest
2mi
12 PM
Hours under a mile
0
Visibility at St. James, visibility from 1.8 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 300 ft at 8 AM; a base was reported in 23 of the hours.

Lowest base now
-
Lowest in 24 hours
300ft
8 AM
Hours with a base reported
23
Lowest cloud base at St. James, lowest cloud base from 300 to 4,900, the latest 2,200, in feet.LOWEST CLOUD BASEft02,0004,0006,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMMVFRVFR

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

Precipitation

0.53 in measured in the gauge, the most, 0.09 in, in the hour to 10 AM.

Last 24 hours
0.53in
Wettest hour
0.09in
10 AM
Hours with some
11
Precipitation at St. James, precipitation from 0.00 to 0.09, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.10Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

St. James: 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 St James Municipal 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

St. JamesJYG

At an airfield/0.0 mi away/1,066 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

Mankato - Minneopa SPMEOM5

At a river or reservoir gauge/25.1 mi away/924 ft/143 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Saint JamesSTJM5

At a cooperative observer's station/2.7 mi away/1,050 ft/17 ft below here

snowfall, snow depth, precip, high, low

Saint James 0.6 SMN-WW-19

In a volunteer observer's own ground/3.5 mi away/1,093 ft/26 ft above here

precip, snowfall, snow depth

-

Snow on the ground

Elsewhere in Minnesota

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

Near St James Municipal Airport

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

Near St James Municipal Airport