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Climatological Report (Annual)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
000
CXUS56 KPQR 011248
CLAPDX
ANNUAL CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OR
448 AM PST WED JAN 1 2020
...PORTLAND 2019 WEATHER IN REVIEW...
================================================================
2019 MONTHLY WEATHER RECAPS...
JANUARY...JANUARY WAS FOR THE MOST PART A RATHER MILD MONTH, WITH
AVERAGE TEMPERATURES BEING A BIT ABOVE NORMAL. A STRONG FRONT
BROUGHT RAIN AND GUSTY WINDS ON THE 4TH AND 5TH, WITH SOUTH
WIND GUSTING TO 54 MPH AT THE AIRPORT. ANOTHER STRONG FRONT
PUSHED ACROSS REGION ON THE 17TH AND 18TH, BRINGING OVER AN
INCH OF RAIN AND WINDS GUSTING AROUND 40 MPH. RAINFALL FOR
THE MONTH WAS ABOUT HALF OF WHAT IS NORMALLY EXPECTED.
FEBRUARY...OLD MAN WINTER SHOWED UP DURING THE FIRST PART OF THE
MONTH, WITH SNOW AND COLD TEMPERATURES. SNOW FELL ON THE 4TH
AND 5TH, BUT NOT A LOT. THEN ANOTHER SYSTEM ARRIVED ON THE
8TH AND 9TH, BRINGING 2 TO 7 INCHES OF SNOW TO MUCH OF THE
METRO, WITH THE HEAVIEST ACCUMULATIONS CLOSER TO THE GORGE.
DOWNTOWN PORTLAND MEASURED 3.5 INCHES, WHILE THE AIRPORT
RECEIVED 4.9 INCHES. IT WAS A COLD START TO FEBRUARY, WITH
OVERNIGHT LOWS DROPPING INTO THE 20S. THEN, ON THE 10TH AND
11TH, MILDER AIR PUSHED INTO THE REGION AND BROUGHT RAIN AND
EVEN A FEW THUNDERSTORMS. ANOTHER ROUND OF COLD AIR ARRIVED
ON THE 24TH, WITH MINOR ACCUMULATIONS OF SNOW AGAIN EACH DAY
FROM 24TH TO 27TH.
OVERALL, IT WAS THE 3RD COLDEST FEBRUARY ON RECORD FOR THE
AIRPORT (1989 AND 1956 WERE THE COLDEST). ADDITIONALLY, THE
WARMEST TEMPERATURE FOR THE ENTIRE MONTH WAS ONLY 50 DEG,
WHICH OCCURRED ON THE 2ND. THIS IS FIRST TIME SINCE 1956
THAT TEMPERATURES FAILED TO RISE ABOVE 50 DEG.
MARCH...RATHER UNEVENTFUL MARCH, WITH SLIGHLY COOLER THAN NORMAL
TEMPERATURES ABOUT HALF THE NORMAL RAINFALL. COOLER WEATHER
ON THE 6TH TO 8TH MAINTAINED LOW SNOW LEVELS. WITH SHOWERS
DURING THAT TIME, DID SEE MINOR SNOW ACCUMULATIONS ON THE
HIGHER ELEVATIONS AROUND THE METRO. HIGH PRESSURE EAST OF
THE CASCADES BROUGHT OFFSHORE EASTERLY WINDS, AND MUCH
MILDER CONDITIONS FROM 15TH TO THE 20TH, WITH TEMPERATURES
WELL INTO THE 60S AND EVEN LOWER 70S. IT WAS THE FIRST TIME
SINCE 2016 PORTLAND SAW BACK TO BACK DAYS WITH AT LEAST 70
DEG (ON THE 19TH AND 20TH). AFTERWARD, IT WAS BACK TO MORE
TYPICAL CONDITIONS FOR LATE MARCH.
APRIL...EVEN THOUGH THERE WERE A LOT OF DAYS WITH RAIN IN APRIL,
APRIL ENDED WITH PRECIPITATION CLOSE TO NORMAL. BUT, WITH
MORE RAINY DAYS, SO BOOSTED WERE NUMBER OF CLOUDY DAYS AND
NIGHTS. SO, OVERALL TEMPERATURES WERE ABOVE NORMAL, MOSTLY
DUE TO MILDER NIGHTS.
MAY...IT WAS A MONTH FOR GARDENERS, AS A WARM AND DRY START GOT
MANY THINKING ABOUT THEIR YARDS. IT WAS THE 3RD WARMEST MAY
ON RECORD, WITH AVERAGE TEMP OF 62.6 DEG (TIE WITH 2016 AND
1997), WITH WARMEST DAY BEING 89 DEG ON THE 10TH. NO RAIN
FELL ON THE FIRST 13 DAYS OF THE MONTH, THEN DID FINALLY
GET SOME RAIN AT TIMES AFTERWARDS. BUT, MAY RAINFALL ENDED
ABOUT TWO-THIRDS OF NORMAL.
JUNE...RATHER SPECTACULAR JUNE, CONSIDERING THE NUMBER OF MILD
DRY DAYS. NORMALLY, PORTLAND SEES 7 DAYS OF AT LEAST 80 DEG
IN JUNE. BUT THERE WERE 12 FOR JUNE 2019, WHICH WAS THE
2ND MOST SEEN FOR JUNE SINCE 2003 (21 DAYS IN 2015). THE
WARMEST STRETCH WAS ON THE 11TH AND 12TH, WITH HIGHS OF
97 AND 98 DEG. THUNDERSTORMS BROUGHT EXCITEMENT AND SOME
SPECTACULAR LIGHTNING DISPLAYS ON THE NIGHT OF THE 25TH
INTO THE 26TH. THOUGH RAINFALL WAS BIT SPOTTY, SOME SPOTS
DID SEE 2 TO 3 INCHES OF RAIN IN ONLY A FEW HOURS.
JULY...JULY STARTED WITH A BANG, AS THUNDERSTORMS ROLLED ACROSS
THE METRO AREA ON THE 1ST. ONE OF THESE THUNDERSTORMS DID
PRODUCE A WEAK TORNADO IN NORTHEAST PORTLAND, AROUND 520 PM.
THE DAMAGE PATH WAS ABOUT 50 YARDS WIDE AND 1.6 MILES LONG,
FROM AROUND 16TH AND NE GOING ST, EXTENDING TO NORTHEAST
TO ABOUT 38TH AND NE SHAVER. DAMAGE WAS MOSTLY TO TREES,
BUT THERE WAS MINOR DAMAGE TO POWER POLES, AS WELL AS SOME
DAMAGE TO SHINGLES AND ROOFING ON HOME. FORTUNATELY, NO
INJURIES WERE REPORTED.
AFTER THE ACTIVE START TO JULY, WEATHER PATTERN SETTLED
DOWN, WITH RATHER QUIET AND MILD WEATHER AFTERWARDS.
AUGUST...IT WAS A WARM AUGUST, WITH 6 DAYS ABOVE 90 DEG, AND
20 DAYS OF AT LEAST 80 DEG. WHILE NOT A RECORD BY ANY
MEANS, THESE WARM DAYS LEAD TO SOME WARM NIGHTS, WITH 21
NIGHTS SEEING OVERNIGHT LOWS STAYING ABOVE 60 DEG. THIS
WAS ALMOST A RECORD (RECORD IS 22 IN 2013 AND 2014). THE
WARMEST WEATHER WAS ON THE 27TH AND 28TH, WITH BACK TO
BACK DAYS OF 98 DEG. THESE TWO DAYS, ALONG WITH JUNE 12TH,
WOULD BE THE WARMEST DAYS OF 2019. IT WAS ALSO THE FIRST
TIME SINCE 2014 THAT THE PORTLAND AIRPORT FAILED TO MAKE
100 DEG AT ANY TIME DURING THE YEAR.
THUNDERSTORMS ROLLED ACROSS THE METRO AREA FROM SOUTH TO
NORTH ON THE NIGHT OF THE 29TH INTO THE 30TH, WITH RATHER
SPECTACULAR LIGHTNING DISPLAYS FROM OREGON CITY NORTHWARD
ACROSS EAST PORTLAND INTO VANCOUVER. THERE WERE SEVERAL
REPORTS OF LIGHTNING STRIKING AND DAMAGING TREES. ONE SUCH
LIGHTNING STRIKE DAMAGED A TREE, WHICH THEN FELL ONTO A
HOME IN THE OAK GROVE AREA.
SEPTEMBER...SEPTEMBER OPENED ON THE WARM SIDE, WITH HIGHS IN
80S. BUT, A STRONG FRONT ARRIVED ON THE 7TH, COOLING THE
REGION. THOUGH THERE WERE SOME MILD DAYS, TEMPERATURES
FOR REST OF THE MONTH STAYED IN THE 60S TO MIDDLE 70S.
AN ACTIVE WEATHER PATTERN BROUGHT SEVERAL FRONTS TO THE
REGION, ALONG WITH RAIN, INTERMIXED WITH SHOWERS AND
SOME THUNDERSTORMS. ON THE 8TH, A THUNDERSTORM PRODUCED
A WEAK TORNADO NEAR CORNELIUS PASS ROAD AND ROCK CREEK
JUNCTION. NO INJURIES, BUT THERE WAS DAMAGE TO LIGHT
STRUCTURES AND EVEN A CORN MAZE. HEAVY DOWNPOURS AND
THUNDERSTORMS PRODUCED HEAVY RAIN IN PARTS OF INNER
EAST SIDE OF PORTLAND, WITH LOCALLIZED FLOODING AROUND
I84 NEAR I5 RAMPS AND IN PARTS OF NORTHWEST VANCOUVER.
ACTIVE SHOWERS AND THUNDERSTORMS AGAIN ON THE 28TH. ONE
STORM OVER NORTHEAST PORTLAND PRODUCED IMPRESSIVE CLOUD
ROTATION, SPARKING MANY VIDEOS. THERE WERE STRONG WINDS
WITH MINOR DAMAGE ALONG NE HALSEY AND 75TH AVE BACK TO
WEST TOWARDS NE GLISAN AND 60TH. BUT, NO TORNADO WAS
REPORTED, AS DAMAGE DUE TO STRAIGHT-LINE OUTFLOW WINDS.
AFTER A COOL START ON THE 29TH, TEMPERATURE ONLY ROSE
TO 52 DEG. THIS TIED AS THE COLDEST HIGH TEMPERATURE
IN SEPTEMBER ON RECORD (TIED 26TH SEP 1948).
TOTAL RAINFALL FOR SEPTEMBER WAS NEARLY 2.5 TIMES ABOVE
NORMAL, AS ALMOST 4 INCHES RECORDED AT PORTLAND AIRPORT.
OCTOBER...TYPICALLY, THE BIG TRANSITION FROM THE DRY MILD
FALL WEATHER TO THE COOL WET WEATHER OCCURS AROUND THE
10TH. THIS OCTOBER WAS CLOSE TO THAT, AS COOLER TEMPS
DOMINATED AFTER THE 7TH, WITH HIGHS MOSTLY IN THE 50S
TO LOWER 60S. BUT, RAIN WAS NOT AS PERSISTENT, WITH THE
MOST RAINY PERIOD BEING FROM THE 16TH TO 22ND. BUT, THIS
WAS ONE OF THE DRIER OCTOBERS, WITH ONLY 1.51 INCHES OF
RAIN AT PORTLAND AIRPORT (NORMAL IS 3.00 INCHES). SINCE
1940, OCTOBER 2019 ENDED AS 13TH DRIEST (TIED WITH 1991)
OUT OF 80 YEARS.
COLD HIGH PRESSURE OVER THE NORTHERN ROCKIES ALLOWED
CHILLY AIR TO SETTLE INTO THE COLUMBIA BASIN TOWARDS
END OF THE MONTH. THIS CHILLY AIR SEEPED WESTWARD, AND
FILLED MOST AREAS WEST OF THE CASCADES BY THE 29TH.
MANY AREAS IN THE OUTLYING AREAS HAD TEMPERATURES DROP
INTO THE MIDDLE AND LOWER 20S, BUT, AIRPORT ONLY GOT
DOWN TO 29 DEG ON HALLOWEEN, THE COLDEST SINCE 28 DEG
HALLOWEEN MORNING BACK IN 1995. ADDITIONALLY, THIS
29 DEG WAS THE 8TH COLDEST LOW TEMP FOR ANY OCTOBER
DAY SINCE 1940 (COLDEST IN OCT...26 DEG IN 1971, 1946).
OVERALL, OCT 2019 ENDED AS THE 3RD COLDEST ON RECORD.
NOVEMBER...A MILD MONTH, AS STORM TRACK WAS MOSTLY SHIFTED
SOUTH OF THE REGION. THIS BROUGHT A LOT MORE IN WAY OF
DRY DAYS, BUT ALSO LOT MORE IN WAY OF LATE NIGHT AND
MORNING FOG. A FRONT ARRIVED ON THE 22ND, BRINGING SOME
RAIN AND MUCH COOLER AIR. A REINFORCING SHOT OF COLD
AIR ARRIVED ON THE 29TH, WITH OVERNIGHT LOWS DROPPING
INTO THE UPPER TEENS IN OUTLYING AREAS, BUT ONLY TO
THE MID TWENTIES IN INNER PORTLAND FOR 29TH AND 30TH.
A WEAK FRONT LIFTING ACROSS THE AREA EARLY ON THE 30TH
PRODUCING LIGHT SNOW FOR A FEW HOURS. BUT, ONLY A
DUSTING WAS REPORTED BY MOST ACROSS THE METRO AREA.
NOVEMBER ENDED AS THE 5TH DRIEST ON RECORD.
DECEMBER...A RATHER BENIGN START TO THE MONTH, WITH RATHER
WEAK FRONTS MOVING ACROSS THE METRO AREA FOR THE FIRST
HALF OF THE MONTH. BUT, A RETURN TO MUCH MORE ACTIVE
WEATHER BY THE 18TH, AS A SERIES OF WET FRONTS ARRIVED.
HEAVIEST RAIN STAYED TO WEST AND NORTH OF PORTLAND, BUT
RAIN ACROSS THE METRO WAS HEAVY ENOUGH TO CREATE MINOR
FLOODING OF LOWLYING AREAS. DECEMBER ENDED WITH ANOTHER
FRONT, BRINGING RAIN AND BREEZY SOUTH WINDS.
==============================================================
NEW RECORDS SET IN 2019 (PREVIOUS RECORD IN PARENTHESES)
+ INDICATES MOST RECENT OF MULTIPLE OCCURRENCES
JANUARY...
18TH NEW. DAILY RAINFALL 1.11" (1.06"/2017+)
FEBRUARY...
9TH NEW. DAILY SNOWFALL 4.9" ( 0.6"/1994 )
*** 3RD COLDEST FEB ON RECORD (AVG TEMP 37.6 DEG)
*** FIRST TIME SINCE 1956 HIGHEST TEMP OF MONTH FAILED TO
GET ABOVE 50 DEG.
MARCH....
NO NEW RECORDS SET IN MARCH.
APRIL...
6TH NEW. DAILY RAINFALL 0.78" (0.61"/2013 )
MAY...
10TH NEW. DAILY WARM HIGH TEMP 89 ( 85 /1993 )
*** 3RD WARMEST MAY (AVG TEMP 62.2 DEG, TIED 2016 AND 1997)
JUNE...
11TH NEW. DAILY WARM HIGH TEMP 97 ( 95 /1941 )
11TH TIED. DAILY WARM LOW TEMP 60 ( 60 /1986+)
12TH NEW. DAILY WARM HIGH TEMP 98 ( 93 /2002 )
12TH NEW. DAILY WARM LOW TEMP 68 ( 62 /2006 )
JULY..
1ST NEW. DAILY RAINFALL 0.54" (0.28"/1983 )
AUGUST...
10TH NEW. DAILY RAINFALL 0.80" (0.36"/1957 )
27TH NEW. DAILY WARM HIGH TEMP 98 ( 97 /1972 )
29TH NEW. DAILY WARM LOW TEMP 66 ( 65 /2013 )
30TH TIED. DAILY WARM LOW TEMP 65 ( 65 /2013 )
SEPTEMBER...
1ST NEW. DAILY WARM LOW TEMP 66 ( 63 /1979 )
15TH NEW. DAILY RAINFALL 0.78" (0.57"/1955 )
29TH NEW. DAILY COOL HIGH TEMP 52 ( 56 /1971 )
SEPT TIED. COOL HIGH OF 52 DEG ON 29TH TIES WITH 26TH/1948
AS COOLEST HIGH TEMPERATURE IN SEPTEMBER.
OCTOBER...
10TH NEW. DAILY COLD LOW TEMP 33 ( 35 /1960 )
12TH NEW. DAILY COLD LOW TEMP 38 ( 39 /1977 )
29TH TIED. DAILY COOL HIGH TEMP 47 ( 47 /1991+)
*** 3RD COOLEST OCTOBER ON RECORD (AVG TEMP 51.5 DEG)
NOVEMBER...
*** 5TH DRIEST NOVEMBER ON RECORD (TOTAL RAIN 1.52 INCHES)
DECEMBER...
NO NEW RECORDS SET IN DECEMBER.
==============================================================
2019 PORTLAND MONTHLY TEMPERATURE AND PRECIPITATION RANKINGS
THIS SHOWS WHERE MONTH/YEAR RANKS IN PORTLANDS CLIMATE RECORD
(OCT 1940 THROUGH 2019). RANKINGS APPLY TO ALL OF SAME MONTH,
OR IN OTHER WORDS, WHERE JAN 2019 COMPARES TO ALL OTHER JAN.
RANKINGS ARE 1 TO 79, WHERE 1 IS WARMEST OR WETTEST ON RECORD
AND 79 IS DRIEST OR COLDEST ON RECORD.
JA FE MA AP MA JU JL AU SE OC NO DE 2019
AVG T 16 77 40 7 3 13 19 9 32 77 36 16 14
PRECIP 64 30 74 25 55 73 21 18 6 66 75 55 76
MAX T 14 78 30 23 5 12 39 20 61 71 20 18 23
MIN T 16 75 39 3 6 15 6 2 1 76 50 18 12
=============================================================
2019 PORTLAND AIRPORT TEMPERATURE DATA
+ BY DATE INDICATES LAST OF SEVERAL OCCURRENCES LISTED
|--- AVERAGES ----| MEAN T DEPART| EXTREME TEMPS & DATE|
MONTH |HIGHS LOWS MEAN| FROM NORMAL | HIGHEST LOWEST |
--------------------------------------------------------------
JAN 49.2 37.1 43.1 +1.7 DEG 57 /23RD 29 / 1ST
FEB 42.9 32.3 37.6 -6.2 DEG 50 / 2ND 23 / 7TH+
MAR 56.6 38.7 46.7 -1.5 DEG 72 /20TH 24 / 5TH
APR 62.6 46.1 54.4 +2.1 DEG 76 /18TH 38 /28TH
MAY 72.7 51.6 62.2 +3.9 DEG 89 /10TH 41 / 1ST
JUN 76.6 54.8 65.7 +2.1 DEG 98 /12TH 50 / 7TH+
JUL 80.3 60.3 70.3 +1.1 DEG 92 /26TH 55 /24TH
AUG 82.6 60.9 71.8 +2.3 DEG 98 /28TH+ 55 /22ND
SEP 72.1 56.8 64.4 -0.1 DEG 88 / 5TH 39 /30TH
OCT 60.8 42.1 51.5 -3.4 DEG 71 / 6TH 29 /31ST
NOV 54.4 39.2 46.8 +0.2 DEG 66 / 6TH 26 /30TH+
DEC 48.1 38.0 43.1 +2.6 DEG 59 /20TH 27 /26TH
2019 63.4 46.4 54.9 +0.5 DEG 98 /AUG 28+ 23 /FEB 7+
NORMAL 63.2 45.7 54.5
DAYS IN 2019 WITH TEMPERATURE OF...
|------ MAXIMUM TEMP --------||------ MINIMUM TEMP ---|
<=32 60+ 70+ 80+ 90+ 100+ <=20 <=32 60+ 70+
--------------------------------------------------------------
JAN 0 0 0 0 0 0 0 5 0 0
FEB 0 0 0 0 0 0 0 15 0 0
MAR 0 13 3 0 0 0 0 10 0 0
APR 0 19 3 0 0 0 0 0 0 0
MAY 0 30 19 7 0 0 0 0 0 0
JUN 0 30 24 12 2 0 0 0 2 0
JUL 0 31 29 18 3 0 0 0 21 0
AUG 0 31 31 20 6 0 0 0 21 0
SEP 0 29 16 7 0 0 0 0 11 0
OCT 0 19 1 0 0 0 0 2 0 0
NOV 0 6 0 0 0 0 0 5 0 0
DEC 0 0 0 0 0 0 0 6 0 0
2019 0 208 126 64 11 0 0 43 55 0
NORMAL 2 197 120 54 12 1 2 30 21 0
FIRST/LAST OCCURRENCES OF... IN 2019 NORMAL
LAST 32 DEG OR COLDER IN SPRING MAR 29 (MAR 19)
FIRST 70+ DEG OF THE YEAR MAR 19 (MAR 30)
FIRST 80+ DEG OF THE YEAR MAY 6 (MAY 10)
FIRST 90+ DEG OF THE YEAR JUN 11 (JUN 16)
LAST 90+ DEG OF THE YEAR AUG 28 (SEP 8)
LAST 80+ DEG OF THE YEAR SEP 12 (SEP 29)
LAST 70+ DEG OF THE YEAR OCT 6 (OCT 18)
FIRST 32 DEG OR COLDER IN FALL OCT 30 (NOV 15)
==============================================================
2019 PORTLAND AIRPORT RAINFALL DATA...
TOTAL DEPARTURE DAYS WITH AT LEAST... GREATEST IN
MONTH RAIN FM NORMAL 0.01 0.10 0.50 1.00 24HRS & DATE
---------------------------------------------------------------
JAN 2.79 -2.09 13 7 1 1 1.13 JAN 18-19
FEB 4.10 +0.44 21 13 2 0 1.03 FEB 11-12
MAR 1.54 -2.14 11 5 0 0 0.57 MAR 11-12
APR 2.98 +0.25 17 11 1 0 1.04 APR 6-7
MAY 1.51 -0.96 9 6 0 0 0.60 MAY 18-19
JUN 0.45 -1.25 6 3 0 0 0.17 JUN 26-27
JUL 0.80 +0.15 6 2 1 0 0.54 JUL 1
AUG 1.23 +0.56 7 3 1 0 0.91 AUG 9-10
SEP 3.85 +2.38 15 10 2 1 1.19 SEP 17-18
OCT 1.51 -1.49 12 4 0 0 0.45 OCT 18-19
NOV 1.52 -4.11 10 6 0 0 0.60 NOV 18-19
DEC 4.39 -1.10 16 12 2 0 0.88 DEC 21
2019 26.67 -9.36 143 82 10 2 1.19 SEP 17-18
NORMAL 36.03 155 91 19 4
TOTAL SNOWFALL... 6.1 INCHES (NORMAL 4.3 INCHES)
PORTLAND WATER YEAR 2018-19 (1 OCT 2018 THROUGH 30 SEP 2019)
30.62 INCHES 5.41 INCHES BELOW NORMAL
============================================================
2019 PORTLAND AIRPORT WIND AND PRESSURE DATA...
AVERAGE SPEED (MPH) STRONGEST WIND GUST
2019 (NORMAL) DIRECTION SPEED DATE
-----------------------------------------------------------
JAN 8.9 (9.3) SOUTH 54 MPH JAN 5
FEB 9.2 (8.7) EAST 46 MPH FEB 26
MAR 7.6 (7.7) EAST 40 MPH MAR 18+
APR 6.9 (7.1) NORTHWEST 36 MPH APR 27
MAY 5.8 (6.7) EAST 35 MPH MAY 9
JUN 6.7 (7.0) WEST 31 MPH JUN 6
JUL 5.8 (7.2) WEST 41 MPH JUL 1
AUG 5.6 (6.8) EAST 29 MPH AUG 27
SEP 5.6 (6.2) SOUTH 31 MPH SEP 17
OCT 6.5 (6.3) EAST 45 MPH OCT 29
NOV 12.6 (8.0) EAST 43 MPH NOV 26
DEC 6.4 (9.3) SOUTH 37 MPH DEC 20
2019 6.8 (7.5) SOUTH 54 MPH JAN 5
HIGHEST PRESSURE IN 2019...30.53 INCHES JAN 26
LOWEST PRESSURE IN 2019...29.10 INCHES FEB 14
==============================================================
WILLAMETTE RIVER DATA (AT MORRISON STREET BRIDGE)...
HIGHEST 15.6 FT 12 APR 2019
LOWEST... -0.6 FT 7 OCT 2019
NOTE: FLOOD STAGE IS 18.0 FT
===============================================================
PORTLAND AIRPORT CLIMATE PERIOD OF RECORDS... OCT 1940 TO 2019
PORTLAND AIRPORT CLIMATE NORMALS BASED ON... 1981 TO 2010
===============================================================
DATA COMPILED BY ROCKEY
NATIONAL WEATHER SERVICE PORTLAND OREGON
ONLINE AT: WEATHER.GOV/PORTLAND
$$
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