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Climatological Report (Annual)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
000
CXUS56 KPQR 012047 CCB
CLAEUG
ANNUAL CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OR
1230 PM PST SUN 1 JAN 2023
...EUGENE 2022 WEATHER IN REVIEW...
===============================================================
2022 NOTABLE RECORDS... 2022 NOTABLE WEATHER EVENTS...
*** 3RD WARMEST JULY *** COOL & WET MAY/JUNE
*** 2ND WARMEST AUGUST *** HEAT WAVE IN LATE JULY
*** 5TH WARMEST SEPTEMBER *** WARM START TO AUTUMN
*** 2ND WARMEST OCTOBER *** LATE DECEMBER ICE AND WIND
*** WARMEST JUL TO SEP ON RECORD
MONTHLY WEATHER RECAPS...
JANUARY...2022 GENERALLY BEGAN MILD AND WET. A SERIES OF STRONG
FRONTS PUSHED ONSHORE DURING THE FIRST WEEK. HEAVY RAIN ON THE 3RD
(2.12 INCHES). DRIER WEATHER, INCLUDING A NINE DAY STRETCH OF NO
PRECIPITATION FROM THE 21ST THROUGH 29TH. OVERNIGHT LOWS DROPPED TO
OR BELOW FREEZING THE LAST 10 DAYS OF THE MONTH.
FEBRUARY...MOSTLY DRY AND NEAR AVERAGE TEMPERATURES RETURNED THE
FIRST WEEK OF FEBRUARY. CONTINUED DRY THROUGH THE 13TH. DAILY RECORD
HIGH OF 66 DEG ON 13TH, FOLLOWED BY SEASONABLY MILD WEATHER WITH
HIGHS UPPER 40S TO LOWER 50S THROUGH 20TH. THEN, A MODERATED ARCTIC
COLD FRONT ARRIVED WITH OVERNIGHT LOWS FALLING BELOW FREEZING THE
22ND THROUGH 26TH. MORE ACTIVE WEATHER RETURNED, BUT RAINFALL
AMOUNTS REMAINED MEAGER. TOTAL RAINFALL OF 0.98 INCH WAS THE 3RD
DRIEST FEBRUARY ON RECORD (SINCE 1890).
MARCH...AN ATMOSPHERIC RIVER SLID SOUTH OVER THE AREA THE 1ST TO
2ND. A WEAK COLD FRONT DROPPED ANOTHER ROUND OF RAIN ON THE 9TH.
MORE ACTIVE WEATHER RETURNED AS A LOW PRESSURE SYSTEM MOVED THROUGH
FROM THE 12TH TO 13TH, FOLLOWED BY OCCASIONAL SHOWERS. STRONG FRONT
BROUGHT WINDY CONDITIONS TO THE SOUTHERN WILLAMETTE VALLEY WITH PEAK
WIND GUST OF 53 MPH AT THE AIRPORT MARCH 12TH. ANOTHER SERIES OF
FRONTAL SYSTEMS THE 19TH TO 21ST BROUGHT MORE RAIN. HIGH PRESSURE
THEN RETURNED FOR MILD AND MOSTLY DRY WEATHER WITH HIGHS AROUND 60
TO 70 DEGREES.
APRIL...WET AND COOLISH APRIL AS ACTIVE SPRING WEATHER CONTINUED.
SEVERAL FRONTAL SYSTEMS PUSHED THROUGH FOLLOWED BY SHOWERS. AN
IMPRESSIVE LOW PRESSURE SYSTEM IMPACTED THE AREA THE 10TH TO 12TH
WITH RAIN AND TRACE OF SNOW. AN UNSEASONABLY COOL AND UNSTABLE AIR
MASS PERSISTED. MARCH LIKE WEATHER PATTERN CONTINUED AS A WET COLD
FRONT PUSHED THROUGH ON THE 19TH. ANOTHER FRONT PUSHED INLAND THE
29TH TO 30TH. TOTAL RAINFALL OF 4.48 INCHES WAS OVER AN INCH ABOVE
NORMAL FOR THE MONTH.
MAY...COOL AND WET SPRING PATTERN CONTINUED INTO MAY. SEVERAL
FRONTAL SYSTEMS MOVED THROUGH THE FIRST WEEK, FOLLOWED BY COOL,
SHOWERY WEATHER PATTERN. A PAIR OF FRONTAL SYSTEMS THEN PUSHED
THROUGH THE 12TH AND 13TH. MORE SEASONABLE WEATHER THE 21ST THROUGH
26TH. THEN, STRONG LOW PRESSURE PUSHED ACROSS THE AREA ON THE 28TH,
BRINGING MORE RAIN. THE LOW DEVELOPED OFFSHORE AND MOVED ACROSS THE
CENTRAL WILLAMETTE VALLEY, BRINGING WINDY CONDITIONS AND SOME WIND
DAMAGE. THE AIRPORT MEASURED PEAK WIND GUST OF 46 MPH. ENDED THE
MONTH ON A WARM NOTE AS HIGH PRESSURE BROUGHT SUNSHINE AND HIGHS IN
THE MID 70S.
JUNE...STARTED OFF WARM, BUT AS HIGH PRESSURE EXITED, ACTIVE WEATHER
QUICKLY RETURNED WITH GENERALLY MILD AND WET CONDITIONS. A FRONTAL
SYSTEM BROUGHT RAIN ON THE 4TH. THEN, WARMER. ANOTHER FRONT ON THE
10TH. UNSEASONABLY COOL AND UNSETTLED WEATHER CONTINUED THE MIDDLE
OF THE MONTH. THE RAINS THEN TURNED OFF THE 20TH WITH WARM AND DRY
WEATHER PERSISTING THROUGH THE END OF THE MONTH. HIGH PRESSURE
CONTINUED TO BUILD, COUPLED WITH LOW LEVEL OFFSHORE FLOW, SAW HIGHS
IN THE 90S THE 25TH THROUGH 27TH. TOTAL RAINFALL OF 2.48 INCHES WAS
TWICE THE NORMAL AMOUNT.
JULY...WARM AND DRY WEATHER CONTINUED. ONLY TWO DAYS OF MEASURABLE
RAIN, THE 5TH AND 6TH. A PROLONGED HEAT WAVE DEVELOPED LATE IN THE
MONTH WITH HIGHS IN THE UPPER 90S TO LOWER 100S DURING THE LAST 9
DAYS OF JULY. HIGHS REACHED 102 DEGREES THE 26TH AND 29TH. ENDED AS
THE 3RD WARMEST JULY ON RECORD.
AUGUST...WARM AND DRY WEATHER CONTINUED AS HIGH PRESSURE DOMINATED
THE WEATHER PATTERN. IT WAS THE 2ND WARMEST AUGUST ON RECORD (SINCE
1890). IT WAS ALSO QUITE DRY IN AUGUST, WITH ONLY ONE DAY WITH
MEASURABLE RAIN. BUT, ON THAT DAY A STRONG EVENING THUNDERSTORM
DEVELOPED WITHIN A MOIST, UNSTABLE AIR MASS. THE THUNDERSTORM
PRODUCED LARGE HAIL, RANGING FROM 0.75 TO 1.25 INCHES IN DIAMETER ON
THE 9TH. HIGHS GENERALLY OSCILLATED BETWEEN THE LOWER 80S AND MID
90S.
SEPTEMBER...CONTINUED STRETCH OF WARM AND DRY WEATHER. HIGHS
GENERALLY RANGED FROM LOWER 80S TO LOWER 90S THE FIRST ELEVEN DAYS
OF THE MONTH. THEN, MORE SEASONABLE WEATHER, BUT REMAINED MOSTLY
DRY. HIGHS AGAIN WARMED TO 85 TO 90 DEGREES THE 25TH TO 26TH. A
FRONT PUSHED THROUGH THE 28TH BRINGING SOME RAIN. THE TOTAL RAINFALL
OF 0.13 INCH WAS OVER AN INCH BELOW NORMAL. ENDED AS THE FIFTH
WARMEST SEPTEMBER ON RECORD (SINCE 1890). OF NOTE, SMOKE FROM THE
CEDAR CREEK FIRE SPILLED INTO THE AREA AS EAST WINDS DEVELOPED THE
9TH TO 10TH.
OCTOBER...UNSEASONABLY WARM AND DRY THROUGH THE 20TH. THERE WERE 9
DAYS WITH A HIGH OF 80 DEGREES OR HIGHER. ENDED AS THE 2ND WARMEST
OCTOBER ON RECORD (SINCE 1890). MORE TYPICAL FALL PATTERN ARRIVE THE
21ST AND CONTINUED THROUGH END OF THE MONTH. SEVERAL FRONTS BROUGHT
RAIN, WITH THE WETTEST DAY OCCURRING ON HALLOWEEN. TOTAL RAINFALL OF
1.63 INCHES ABOUT 1.5 INCH BELOW NORMAL. OF NOTE, DENSE FOG
DEVELOPED THE MORNING OF THE 19TH, DURING WHICH TIME A 65 VEHICLE
PILEUP OCCURRED JUST NORTH OF EUGENE.
NOVEMBER...COOL AND WET. ACTIVE WEATHER CONTINUED THROUGH FIRST PART
OF THE MONTH. A STRONG ATMOSPHERIC RIVER ON THE 4TH BROUGHT HEAVY
RAIN OF 0.99 INCH, FOLLOWED BY ANOTHER 1.32 INCHES OF RAIN ON THE
6TH AS A REINFORCING COLD FRONT PUSHED THROUGH. THEN, A RELATIVE
BREAK IN THE WEATHER AS HIGH PRESSURE GENERALLY DOMINATED THE REGION
FOR NEARLY 2 WEEKS. THIS PERIOD WAS CHARACTERIZED BY MILD DAYS AND
CHILLY NIGHT, ALONG WITH MULTIPLE STRETCHES OF DRY DAYS. LOWS FELL
TO BELOW FREEZING THE 15TH THROUGH 20TH. A COLD FRONT PUSHED THROUGH
THE 22ND, FOLLOWED BY MORE ACTIVE WEATHER THROUGH THE END OF THE
MONTH. TOTAL RAINFALL OF 5.52 INCHES WAS SLIGHTLY BELOW NORMAL.
DECEMBER...THE ACTIVE WEATHER OF NOVEMBER CONTINUED INTO DECEMBER,
WITH TEMPERATURES INTO THE UPPER 30S TO MID 40S AND ONSHORE FLOW
MAINTAINING OCCASIONAL RAIN THROUGH THE FIRST WEEK OF THE MONTH. A
SERIES OF FRONTS THEN PUSHED THROUGH THE 8TH THROUGH 10TH, WITH
RAIN. THEN, DRY AND COOL THROUGH THE 17TH. COLDER TEMPERATURES AS AN
ARCTIC AIR MASS FILTERED INTO THE REGION THE 22ND AND 23RD, WITH
SNOW, SLEET, AND FREEZING RAIN. BUT, SOUTHERLY WINDS PUSHED
TEMPERATURES INTO THE 60S ON THE 25TH. THE HIGH OF 63 WAS THE
WARMEST CHRISTMAS DAY ON RECORD IN EUGENE. THE YEAR FINISHED OFF
WITH A SERIES OF PACIFIC FRONTAL SYSTEMS, ALONG WITH A STRONG
ATMOSPHERIC RIVER THE 26TH TO 27TH. STRONG SOUTHERLY WINDS THE 27TH,
WITH GUSTS OF 40 TO 50 MPH, DOWNED TREES AND POWERLINES.
==============================================================
NEW RECORDS SET IN 2022 (PREVIOUS RECORD IN PARENTHESES)
+ INDICATES MOST RECENT OF MULTIPLE OCCURRENCES
JANUARY... NO NEW RECORDS SET.
FEBRUARY...
7TH TIED. DAILY WARM HIGH TEMP 61 ( 61 /1958 )
13TH NEW. DAILY WARM HIGH TEMP 66 ( 65 /1971 )
24TH NEW. DAILY COLD LOW TEMP 22 ( 23 /1913 )
25TH TIED. DAILY COLD LOW TEMP 23 ( 23 /1962 )
28TH NEW. DAILY WARM LOW TEMP 53 ( 51 /1975 )
MARCH...
1ST NEW. DAILY WARM LOW TEMP 53 ( 52 /1901 )
10TH TIED. DAILY COLD LOW TEMP 25 ( 25 /1935 )
APRIL...
10TH NEW. DAILY COOL HIGH TEMP 48 ( 49 /1991 )
MAY... NO NEW RECORDS SET.
JUNE...
10TH NEW. DAILY WARM LOW TEMP 61 ( 58 /2020 )
JULY...
6TH NEW. DAILY WARM LOW TEMP 59 ( 58 /2005 )
26TH TIED. DAILY WARM HIGH TEMP 102 ( 102 /1998 )
27TH TIED. DAILY WARM LOW TEMP 61 ( 61 /2009+)
30TH NEW. DAILY WARM LOW TEMP 64 ( 62 /1974 )
*** 3RD WARMEST JULY ON RECORD WITH AVG TEMP 71.2 DEG
AUGUST...
1ST NEW. DAILY WARM LOW TEMP 63 ( 61 /1965+)
18TH TIED. DAILY WARM LOW TEMP 65 ( 65 /1941 )
30TH TIED. DAILY WARM HIGH TEMP 98 ( 98 /1918 )
*** 2ND WARMEST AUGUST ON RECORD WITH AVG TEMP 71.5 DEG
SEPTEMBER...
11TH TIED. DAILY WARM LOW TEMP 59 ( 59 /2013 )
*** 5TH WARMEST SEPTEMBER ON RECORD WITH AVG TEMP 65.7 DEG
OCTOBER...
12TH TIED. DAILY WARM HIGH TEMP 79 ( 79 /2006+)
13TH NEW. DAILY WARM HIGH TEMP 81 ( 79 /1936 )
29TH TIED. DAILY WARM HIGH TEMP 69 ( 68 /1993 )
NOVEMBER...
6TH NEW. DAILY RAINFALL 1.32" (1.20"/1916 )
18TH TIED. DAILY COLD LOW TEMP 21 ( 21 /2014+)
19TH TIED. DAILY COLD LOW TEMP 18 ( 20 /2000 )
20TH TIED. DAILY COLD LOW TEMP 20 ( 22 /1900 )
DECEMBER...
25TH NEW. DAILY WARM HIGH TEMP 63 ( 62 /1980+)
26TH TIED. DAILY WARM LOW TEMP 52 ( 49 /1967+)
===============================================================
2022 EUGENE MONTHLY TEMPERATURE AND PRECIPITATION RANKINGS
THIS SHOWS WHERE A MONTH/YEAR RANKS IN PERIOD OF RECORD
(1890 TO 2022). RANKINGS ONLY APPLY TO ALL OF THE SAME MONTH,
IN OTHER WORDS, WHERE JAN 2022 COMPARES TO ALL OTHER JANUARYS.
RANKINGS 1 TO 132, WHERE 1 IS THE RECORD WARMEST OR WETTEST,
AND 132 IS THE RECORD DRIEST OR COLDEST.
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2022
AVG T 38 83 22 107 96 27 3 2 5 2 116 75 19
PRECIP 90 130 87 20 20 19 59 88 120 104 73 79 117
MAX T 27 45 32 103 103 46 10 2 14 1 104 66 14
MIN T 50 101 13 97 80 16 2 5 8 38 120 86 35
===============================================================
2022 EUGENE 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 49.1 35.0 42.1 +0.7 DEG 58 /12TH 25 /29TH
FEB 51.8 33.0 42.4 -0.9 DEG 66 /13TH 21 /23RD
MAR 57.9 40.1 49.0 +2.3 DEG 70 /22ND 25 /10TH
APR 58.2 38.0 48.1 -2.6 DEG 74 / 7TH 30 /15TH
MAY 64.8 42.9 53.9 -2.2 DEG 79 /25TH 33 /20TH
JUN 74.6 50.5 62.6 +1.7 DEG 95 /26TH 44 /15TH
JUL 87.1 55.3 71.2 +3.4 DEG 102 /29TH+ 49 /24TH
AUG 88.3 54.7 71.5 +3.6 DEG 99 / 7TH 47 / 3RD
SEP 80.1 51.2 65.7 +2.8 DEG 92 / 1ST 43 /17TH
OCT 72.3 44.1 58.2 +4.8 DEG 87 / 2ND+ 35 /27TH
NOV 50.2 32.1 41.2 -4.3 DEG 59 / 4TH 18 /19TH
DEC 46.9 33.9 40.4 -0.2 DEG 63 /25TH 22 /17TH
2022 65.2 42.7 53.9 +0.8 DEG 102/JUN 29+ 18/NOV 19
NORMAL 64.3 41.9 53.1
DAYS WITH TEMPERATURES IN 2022 WHERE...
|------ MAXIMUM TEMP --------||------ MINIMUM TEMP ---|
<=32 60+ 70+ 80+ 90+ 100+ <=20 <=32 60+ 70+
--------------------------------------------------------------
JAN 0 0 0 0 0 0 0 13 0 0
FEB 0 4 0 0 0 0 0 12 0 0
MAR 0 11 1 0 0 0 0 5 0 0
APR 0 12 2 0 0 0 0 2 0 0
MAY 0 25 9 0 0 0 0 0 0 0
JUN 0 30 20 10 3 0 0 0 1 0
JUL 0 31 31 23 12 4 0 0 6 0
AUG 0 31 31 29 14 0 0 0 3 0
SEP 0 30 27 14 5 0 0 0 0 0
OCT 0 26 20 9 0 0 0 0 0 0
NOV 0 0 0 0 0 0 2 12 0 0
DEC 1 2 0 0 0 0 0 14 0 0
2022 1 202 141 85 34 4 2 58 10 0
NORMAL 2 201 128 66 15 1 2 51 2 0
FIRST/LAST OCCURRENCES OF... IN 2022 NORMAL
LAST 32 DEG OR COLDER IN SPRING 17 APR (13 APR)
FIRST 70+ DEG OF THE YEAR 22 MAR (30 MAR)
FIRST 80+ DEG OF THE YEAR 1 JUN (10 MAY)
FIRST 90+ DEG OF THE YEAR 25 JUN (25 JUN)
LAST 90+ DEG OF THE YEAR 26 SEP ( 7 SEP)
LAST 80+ DEG OF THE YEAR 15 OCT (29 SEP)
LAST 70+ DEG OF THE YEAR 20 OCT (21 OCT)
FIRST 32 DEG OR COLDER IN FALL 9 NOV (22 OCT)
==============================================================
2022 EUGENE 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 4.07 -1.98 12 6 3 1 2.12 JAN 3
FEB 0.98 -3.69 9 3 0 0 0.53 FEB 27-28
MAR 3.07 -1.57 14 7 1 0 0.90 MAR 2
APR 4.48 +1.16 19 10 3 0 0.80 APR 3-4
MAY 3.60 +1.14 13 9 1 0 1.14 MAY 5-6
JUN 2.48 +1.25 12 7 1 0 1.25 JUN 4-5
JUL 0.23 -0.09 2 2 0 0 0.21 JUL 5-6
AUG 0.06 -0.33 1 0 0 0 0.06 AUG 9
SEP 0.13 -1.26 3 1 0 0 0.11 SEP 28
OCT 1.63 -1.54 7 4 1 0 0.81 OCT 31
NOV 5.52 -0.46 13 12 4 2 1.42 NOV 6-7
DEC 5.03 -2.18 18 11 6 1 1.56 DEC 26-27
2022 31.28 -9.55 123 72 20 4 2.12 JAN 3
NORMAL 40.83 146 90 26 7
EUGENE WATER YEAR 2021-22 (1 OCT 2021 THROUGH 30 SEP 2022)
38.16 INCHES 2.67 INCHES ABOVE NORMAL
TOTAL SNOWFALL FOR 2022... TRACE (AVERAGE: 5.8")
============================================================
2022 EUGENE AIRPORT WIND AND PRESSURE DATA...
AVERAGE SPEED (MPH) STRONGEST WIND GUST
MONTH 2022 NORMAL DIRECTION SPEED DATE
----------------------------------------------------------
JAN 6.3 (6.8) SOUTHWEST 49 MPH JAN 3
FEB 5.8 (7.1) WEST 30 MPH FEB 14
MAR 6.3 (7.4) SOUTHWEST 53 MPH MAR 12
APR 7.2 (7.1) SOUTH 38 MPH APR 20
MAY 6.6 (6.6) SOUTHWEST 46 MPH MAY 28
JUN 6.4 (7.0) SOUTH 35 MPH JUN 18
JUL 6.2 (7.5) NORTH 30 MPH JUL 13
AUG 6.4 (7.1) WEST 30 MPH AUG 9
SEP 6.3 (6.8) NORTH 32 MPH SEP 5
OCT 4.9 (6.4) SOUTH 29 MPH OCT 24
NOV 6.5 (7.0) SOUTH 37 MPH NOV 30
DEC 7.2 (7.1) SOUTHWEST 48 MPH DEC 27
2022 6.3 (7.0) SOUTHWEST 53 MPH MAR 12
2022 BAROMETRIC PRESSURE EXTREMES...
HIGHEST 30.64 INCHES 8 FEB ( 1234 PM PST )
LOWEST 29.09 INCHES 27 DEC ( 0800 AM PST )
==============================================================
2022 LOCAL RIVER EXTREMES
WILLAMETE RIVER (NEAR EWEB BUILDING, DOWNTOWN EUGENE)...
HIGHEST 18.1 FT 13 JUN (FLOOD STAGE IS 23.0 FT)
LOWEST 9.7 FT 5 AUG
WILLAMETTE (AT HARRISBURG)...
HIGHEST 11.8 FT 8 MAY (FLOOD STAGE IS 14.0 FT)
LOWEST 2.1 FT 5 AUG
MOHAWK RIVER (AT HILL RD, NORTH OF SPRINGFIELD)...
HIGHEST 14.2 FT 6 JAN (FLOOD STAGE IS 15.0 FT)
LOWEST 0.8 FT 16 OCT
=============================================================
EUGENE AIRPORT CLIMATE PERIOD OF RECORDS... 1892 TO 2022
EUGENE AIRPORT CLIMATE NORMALS... 1991 TO 2020
=============================================================
DATA COMPILED BY ROCKEY AND HARTSOCK
NATIONAL WEATHER SERVICE PORTLAND OREGON
ONLINE AT: WEATHER.GOV/PORTLAND
$$
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