Surface airways data (Undecoded)

ASTORIA AIRPORT, OR (KAST)
12 DECEMBER 2001 (GMT).

HOURLY SURFACE AIRWAYS OBSERVATIONS
ALL DATES AND TIMES IN GREENWICH MEAN TIME
SUBTRACT 8 HOURS TO GET PACIFIC STANDARD TIME

STN = STATION
 YR = YEAR
 MO = MONTH
 DY = DAY

GMT = GREENWICH MEAN TIME
WND DIR = WIND DIRECTION (DEGREES), 90=EAST, 180=SOUTH, 270=WEST, 360=NORTH, 000=CALM, VRB=VARIABLE
WS KT = WIND SPEED IN KNOTS (1 KNOT = 1.15 MPH)
PG KT = PEAK WIND GUST IN KNOTS
AT  F = AIR TEMPERATURE (DEGREES F)
TD  F = DEW POINT TEMPERATURE (DEGREES F)
VIS MILES = VISIBILITY IN STATUTE MILES

WEATHER = WEATHER CONDITIONS AS FOLLOWS:
            BC=PATCHES, BL=BLOWING, FZ=FREEZING, SH=SHOWERS, TS=THUNDERSTORM
            BR=MIST, DS=DUST STORM, DU=WIDESPREAD DUST, DZ=DRIZZLE, FC=FUNNEL CLOUD
            +FC=TORNADO, FG=FOG, FU=SMOKE, GR=HAIL, GS=SMALL HAIL/SNOW PELLETS
            HZ=HAZE, IC=ICE CRYSTALS, PE=ICE PELLETS, RA=RAIN, SG=SNOW GRAINS
            SN=SNOW, SQ=SQUALL, UP=UNKNOWN PRECIPITAION, VC=VICINITY
            DSNT=DISTANT, LTG=LIGHTNING
            "+" = HEAVY, "-" = LIGHT

SKY COVER = CLOUD CONDITIONS AS FOLLOWS:
            CLR=CLEAR, FEW=FEW, SCT=SCATTERED, BKN=BROKEN, OVC=OVERCAST
            018=1800 FEET ABOVE GROUND LEVEL, 250=25000 FEET AGL, ETC.
            CB=CUMULONIMBUS, TCU=TOWERING CUMULUS

BP IN = BAROMETRIC SEA LEVEL PRESSURE, INCHES OF MERCURY
RMK = REMARK.  COR = CORRECTED

999 = MISSING

     |   DATE   | TIME | WND | WS | PG |  AT |  TD |  VIS  |               |                                     |  BP   |
 STN | YR MO DY | (GMT)| DIR | KT | KT |   F |   F | MILES |  WEATHER      | SKY COVER                           |  IN   |RMK|

KAST | 01 12 12 | 2355 | 000 | 00 |    |  45 |  45 |    10 |               | CLR                                 | 29.88 |   |
KAST | 01 12 12 | 0055 | 100 | 05 |    |  43 |  43 |     4 | BR            | FEW002 BKN015                       | 29.92 |   |
KAST | 01 12 12 | 0155 | 090 | 04 |    |  45 |  43 |    10 |               | OVC019                              | 29.95 |   |
KAST | 01 12 12 | 0226 | 160 | 04 |    |  43 |  43 | 1 1/4 | BR            | BKN023                              | 29.98 |   |
KAST | 01 12 12 | 0234 | 180 | 03 |    |  41 |  41 |   3/4 | BR            | BKN023                              | 29.98 |   |
KAST | 01 12 12 | 0255 | 140 | 04 |    |  39 |  39 |   1/4 | FG            | BKN023                              | 29.99 |   |
KAST | 01 12 12 | 0303 | 140 | 04 |    |  41 |  41 |   3/4 | BR            | FEW001 BKN023                       | 29.99 |   |
KAST | 01 12 12 | 0320 | 140 | 04 |    |  39 |  39 | 1 1/2 | BR            | FEW001 BKN023                       | 29.99 |   |
KAST | 01 12 12 | 0323 | 140 | 04 |    |  39 |  39 |     2 | BR            | FEW001 SCT023                       | 29.99 |   |
KAST | 01 12 12 | 0331 | 130 | 03 |    |  39 |  39 |     7 |               | FEW001                              | 29.99 |   |
KAST | 01 12 12 | 0338 | 130 | 04 |    |  37 |  37 | 1 3/4 | BR            | FEW023                              | 29.99 |   |
KAST | 01 12 12 | 0340 | 120 | 04 |    |  39 |  39 | 1 1/4 | BR            | FEW001                              | 29.99 |   |
KAST | 01 12 12 | 0343 | 120 | 04 |    |  37 |  37 |   3/4 | BR            |                                     | 29.99 |   |
KAST | 01 12 12 | 0355 | 140 | 04 |    |  37 |  37 |   3/4 | BR            |                                     | 30.00 |   |
KAST | 01 12 12 | 0403 | 140 | 04 |    |  39 |  39 | 1 1/4 | BR            | SCT001                              | 30.00 |   |
KAST | 01 12 12 | 0409 | 140 | 03 |    |  37 |  37 |   3/4 | BR            |                                     | 30.00 |   |
KAST | 01 12 12 | 0424 | 130 | 04 |    |  37 |  37 | 1 1/4 | BR            | FEW001                              | 30.01 |   |
KAST | 01 12 12 | 0428 | 130 | 04 |    |  37 |  37 |     2 | BR            | FEW001                              | 30.01 |   |
KAST | 01 12 12 | 0436 | 100 | 05 |    |  37 |  37 |     6 | BR            | FEW001                              | 30.01 |   |
KAST | 01 12 12 | 0455 | 000 | 00 |    |  39 |  39 |     7 |               | CLR                                 | 30.03 |   |
KAST | 01 12 12 | 0528 | 120 | 03 |    |  37 |  37 | 1 3/4 | BR            | CLR                                 | 30.05 |   |
KAST | 01 12 12 | 0533 | 120 | 03 |    |  37 |  37 |   3/4 | BR            | CLR                                 | 30.05 |   |
KAST | 01 12 12 | 0545 | 140 | 04 |    |  36 |  36 |   3/4 | BR            |                                     | 30.05 |   |
KAST | 01 12 12 | 0555 | 140 | 04 |    |  36 |  36 |   1/4 | FG            |                                     | 30.05 |   |
KAST | 01 12 12 | 0610 | 140 | 04 |    |  37 |  37 |   3/4 | BR            |                                     | 30.04 |   |
KAST | 01 12 12 | 0618 | 140 | 04 |    |  36 |  36 | 1 1/4 | BR            | BKN001                              | 30.05 |   |
KAST | 01 12 12 | 0625 | 140 | 04 |    |  36 |  36 |     2 | BR            | SCT001                              | 30.05 |   |
KAST | 01 12 12 | 0633 | 140 | 03 |    |  36 |  36 |     8 |               | FEW001                              | 30.05 |   |
KAST | 01 12 12 | 0655 | 110 | 03 |    |  36 |  36 | 1 3/4 | BR            | CLR                                 | 30.06 |   |
KAST | 01 12 12 | 0722 | 110 | 05 |    |  36 |  36 | 1 3/4 | BR            | SCT036                              | 30.06 |   |
KAST | 01 12 12 | 0730 | 120 | 05 |    |  36 |  36 |     1 | BR            | SCT036                              | 30.06 |   |
KAST | 01 12 12 | 0739 | 120 | 04 |    |  36 |  36 |     2 | BR            | BKN038                              | 30.06 |   |
KAST | 01 12 12 | 0748 | 120 | 04 |    |  36 |  36 |     8 |               | BKN035                              | 30.07 |   |
KAST | 01 12 12 | 0755 | 120 | 04 |    |  36 |  36 |    10 |               | SCT037                              | 30.07 |   |
KAST | 01 12 12 | 0855 | 130 | 03 |    |  37 |  37 |    10 |               | OVC035                              | 30.08 |   |
KAST | 01 12 12 | 0955 | 140 | 03 |    |  37 |  37 |    10 |               | FEW026 OVC035                       | 30.09 |   |
KAST | 01 12 12 | 1055 | 140 | 03 |    |  39 |  39 |    10 |               | FEW025 OVC033                       | 30.09 |   |
KAST | 01 12 12 | 1117 | 160 | 04 |    |  41 |  41 |     8 |               | BKN019 BKN028 OVC033                | 30.09 |   |
KAST | 01 12 12 | 1155 | 130 | 05 |    |  41 |  41 |    10 |               | FEW018 OVC028                       | 30.09 |   |
KAST | 01 12 12 | 1255 | 140 | 06 |    |  43 |  43 |    10 |               | SCT018 OVC027                       | 30.08 |   |
KAST | 01 12 12 | 1336 | 120 | 05 |    |  45 |  45 |    10 |               | FEW012 OVC030                       | 30.07 |   |
KAST | 01 12 12 | 1355 | 100 | 06 |    |  45 |  45 |    10 |               | BKN034 OVC046                       | 30.07 |   |
KAST | 01 12 12 | 1455 | 120 | 04 |    |  45 |  45 |    10 |               | SCT026 OVC032                       | 30.06 |   |
KAST | 01 12 12 | 1514 | 130 | 04 |    |  45 |  43 |    10 |               | BKN024 OVC032                       | 30.07 |   |
KAST | 01 12 12 | 1523 | 140 | 03 |    |  45 |  45 |    10 |               | SCT024 OVC032                       | 30.06 |   |
KAST | 01 12 12 | 1555 | 130 | 04 |    |  45 |  43 |    10 | -RA           | FEW027 OVC034                       | 30.06 |   |
KAST | 01 12 12 | 1645 | 110 | 03 |    |  45 |  45 |     6 | -RA BR        | BKN024 BKN029 OVC035                |   .   |   |
KAST | 01 12 12 | 1655 | 120 | 03 |    |  45 |  45 |     7 | -RA           | BKN024 OVC031                       | 30.05 |   |
KAST | 01 12 12 | 1724 | 100 | 04 |    |  45 |  45 |     6 | -RA BR        | SCT022 BKN032 OVC039                |   .   |   |
KAST | 01 12 12 | 1732 | 100 | 03 |    |  45 |  45 |     7 | -RA           | BKN022 OVC032                       | 30.04 |   |
KAST | 01 12 12 | 1755 | 130 | 03 |    |  45 |  45 |     7 | -RA           | OVC020                              | 30.04 |   |
KAST | 01 12 12 | 1855 | 070 | 03 |    |  46 |  46 |     6 | -RA BR        | BKN020 OVC030                       | 30.03 |   |
KAST | 01 12 12 | 1955 | 180 | 10 | 17 |  48 |  46 |    10 | RAE47         | OVC020                              | 29.99 |   |
KAST | 01 12 12 | 2055 | 190 | 16 | 25 |  50 |  46 |    10 |               | SCT018 BKN024 OVC040                | 29.96 |   |
KAST | 01 12 12 | 2124 | 190 | 18 | 25 |  50 |  48 |    10 |               | FEW013 SCT024 OVC044                | 29.94 |   |
KAST | 01 12 12 | 2144 | 200 | 13 | 28 |  50 |  48 |     7 | -RA           | FEW013 BKN024 OVC042                |   .   |   |
KAST | 01 12 12 | 2155 | 190 | 16 | 24 |  50 |  48 |     3 | -RA BR        | SCT013 OVC021                       | 29.93 |   |
KAST | 01 12 12 | 2217 | 200 | 15 | 26 |   0 |   0 | 1 3/4 | -RA BR        | SCT011 BKN017 OVC022                |   .   |   |
KAST | 01 12 12 | 2220 | 200 | 15 | 26 |   0 |   0 | 1 3/4 | -RA BR        | SCT009 BKN017 OVC022                |   .   |   |
KAST | 01 12 12 | 2239 | 210 | 13 | 22 |  50 |  50 |     2 | RA BR         | SCT009 BKN015 OVC020                |   .   |   |
KAST | 01 12 12 | 2246 | 210 | 16 | 24 |   0 |   0 | 1 3/4 | -RA BR        | BKN009 BKN015 OVC020                |   .   |   |
KAST | 01 12 12 | 2255 | 200 | 16 | 23 |  52 |  50 | 2 1/2 | RA BR         | BKN009 OVC018                       |   .   |   |
KAST | 01 12 12 | 2304 | 210 | 15 | 22 |  52 |  50 |     3 | RA BR         | SCT006 OVC009                       | 29.93 |   |
KAST | 01 12 13 | 2355 | 200 | 15 | 22 |  52 |  50 |     5 | -RA BR        | BKN006 BKN012 OVC021                |   .   |   |