Climatological Report (Annual)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
368
CXUS56 KPQR 020104 RRA
CLASLE
ANNUAL CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OR
500 PM PST WED 1 JAN 2025
...SALEM 2024 WEATHER IN REVIEW...
2024 NOTABLE WEATHER EVENTS & RECORDS
* SNOW, ICE AND COLD OF MID-JANUARY
* HEATWAVE OF EARLY JULY
* RECORD WARMEST JULY ON RECORD
* STRONG THUNDERSTORMS IN JULY
* SUMMER FIRES IN THE CASCADES
* AUGUST THUNDERSTORMS
* DAMAGING WINDSTORM IN NOVEMBER
IN 2024...
38 DAYS OF 90+ DEG : 2ND MOST ON RECORD
8 DAYS OF 100+ DEG: MOST DAYS ON RECORD
2024 MONTHLY WEATHER SUMMARIES...
JANUARY...AFTER A DRY NEW YEARS DAY, THE WEATHER TURNED RATHER WET
WITH SEASONAL TEMPERATURES THROUGH THE 11TH. THEN, A VERY STRONG
ARCTIC FRONT MOVED ACROSS THE AREA ON THE 12TH AND 13TH, WITH
TEMPERATURES PLUMMETING 20-25 DEGREES BELOW NORMAL THROUGH THE 16TH.
ACCUMULATIONS OF SNOW AND FREEZING RAIN VARIED CONSIDERABLY AS
TEMPERATURES REMAINED IN THE TEENS AND 20S. AROUND ONE-HALF INCH OF
ICE ACCUMULATED IN THE SALEM AREA ON THE 16TH. TEMPERATURES
MODERATED BY THE 17TH WITH MORE RAIN. TEMPERATURES TRENDED WARMER
THE LAST 10 DAYS OF JANUARY, AS HIGHS REACHED THE MID-60S ON THE
27TH AND 28TH, SETTING DAILY RECORD HIGHS FOR EACH DAY. THE 10.18
INCHES OF PRECIPITATION AT SALEM WAS JUST OVER 4 INCHES ABOVE
NORMAL.
FEBRUARY...BEGAN THE MONTH QUITE MILD WITH HIGHS IN THE LOWER 60S ON
THE 1ST, COOLING BACK INTO THE 50S AFTERWARDS. LOW PRESSURE OVER
BRITISH COLUMBIA DROPPED SOUTH THE 14TH TO 17TH, BRINGING COOLER
WEATHER. TEMPERATURES ROSE INTO THE LOWER 60S ON THE 22ND AND 23RD.
STRONG MOIST SOUTHWEST FLOW BROUGHT RAIN TO CLOSE THE MONTH. THE
1.36 INCHES OF RAIN ON THE 29TH SET A DAILY RECORD.
MARCH...MARCH BEGAN RATHER COOL AND DAMP AS COOLER AIR REMAINED OVER
THE PACIFIC NORTHWEST, WITH OCCASIONAL SHOWERS. THEN, BRIEF PERIOD
OF HIGH PRESSURE BROUGHT MILDER TEMPERATURES AND DRY WEATHER. A
POTENT FRONT MOVED ONSHORE THE 10TH. HIGH PRESSURE RETURNED WHILE
OFFSHORE FLOW THE 14TH TO 19TH CONTRIBUTED TO RATHER WARM AIR MASS
WITH HIGHS IN THE 70S. THE HIGH PRESSURE RIDGE GRADUALLY WEAKENED AS
LOW PRESSURE PERSISTED JUST OFFSHORE THROUGH THE 29TH, MAINTAINING
COOLER, SHOWERY WEATHER.
APRIL...MILD WEATHER EARLY IN THE MONTH WITH WARMEST DAY ON THE 2ND.
A VIGOROUS UPPER LOW DROPPED OVER THE PACIFIC NW THE 3RD TO 5TH
BRINGING RAIN AND COOLER CONDITIONS. ONSHORE FLOW MAINTAINED
UNSETTLED WEATHER AS OCCASIONAL FRONTS PUSHED ONSHORE. BY THE MIDDLE
OF THE MONTH, RATHER STRONG HIGH PRESSURE RIDGE JUST OFFSHORE
BROUGHT OFFSHORE WINDS WITH WARM DRY WEATHER. COOLER AND SHOWERY
WEATHER RETURNED FOR THE 25TH TO 30TH.
MAY...OVERALL, FAIRLY TYPICAL WEATHER FOR THE MONTH OF MAY. BEGAN
COOL AND SHOWERY AS BROAD UPPER LOW PRESSURE SHIFTED ACROSS THE
PACIFIC NORTHWEST. A STRONG FRONT PUSHED ACROSS THE REGION THE 3RD
AND 4TH WITH MODEST RAINFALL OF AROUND AN INCH. HIGH PRESSURE
STRENGTHENED WHILE OFFSHORE FLOW ALLOWED FOR DRY AND WARMING
CONDITIONS. A HIGH OF 90 DEGREES ON THE 11TH WAS THE WARMEST DAY OF
THE MONTH. BY THE 16TH, ONSHORE FLOW RETURNED WITH MORE SEASONAL
TEMPERATURES ALONG WITH SPOTTY LIGHT PRECIPITATION AS WEAK FRONTS IN
THE FLOW MOVED ONSHORE. THE STRONGEST FRONT ARRIVED ON THE 21ST.
UNEVENTFUL END OF MAY THANKS TO RATHER PERSISTENT HIGH PRESSURE
OFFSHORE AND VARIABLE ONSHORE FLOW.
JUNE....JUNE STARTED RATHER WET AS A STRONG COLD FRONT PUSHED INTO
THE REGION THE 2ND AND 3RD. THEN, MOSTLY WESTERLY FLOW ALOFT
MAINTAINED NEAR SEASONAL TEMPERATURES. ANOTHER UPPER TROUGH MOVED
ONSHORE FROM THE 15TH TO 17TH, WITH SCATTERED SHOWERS AND COOLER
TEMPERATURES. AFTERWARDS, HIGH PRESSURE STRENGTHENED BRINGING
ANOTHER WARMING TREND WITH HIGHS IN THE UPPER 80S TO LOWER 90S ON
THE 19TH THROUGH 22ND. WESTERLY FLOW CONTINUED THROUGH THE END OF
JUNE, MAINTAINING MILD AND DRY WEATHER.
JULY...IT WAS THE WARMEST JULY ON RECORD FOR SALEM. ALSO SET A NEW
RECORD FOR MOST CONSECUTIVE DAYS WITH HIGHS OF AT LEAST 100 DEGREES,
THAT BEING 5 DAYS, BEGINNING THE 5TH AND PEAKING AT 106 ON THE 9TH.
AS HIGH PRESSURE SHIFTED EAST, SOUTHWEST FLOW ALLOWED FOR COOLER
MARINE AIR TO FILTER INLAND. BUT, TEMPERATURES REMAINED ABOVE NORMAL
THROUGH THE 20TH. BY THE 25TH, A RATHER STRONG UPPER TROUGH MOVED
OVER THE REGION. MORE SEASONAL CONDITIONS FINISHED OUT THE MONTH.
AUGUST...BEGAN WARM WITH RETURN OF STRONG HIGH PRESSURE OVER THE
REGION. THEN, VARIABLE ONSHORE FLOW BROUGHT SEASONAL TEMPERATURES. A
FRONT PUSHED ACROSS THE REGION ON THE 12TH, COOLING TEMPERATURES
INTO THE LOWER 70S. BY MID-MONTH, A RATHER STRONG UPPER TROUGH
DROPPED OUT OF THE GULF OF ALASKA ON THE 15TH TO 18TH, CREATING A
RATHER UNSTABLE AIR MASS, WITH SHOWERS AND THUNDERSTORMS ON THE
17TH. ANOTHER UPPER LOW MOVED INTO THE REGION FROM THE 21ST TO 25TH,
KEEPING TEMPERATURES ON THE COOLER SIDE ALONG WITH SOME LIGHT RAIN.
HIGH PRESSURE STRENGTHENED WITH A WARMING TREND THE 29TH THROUGH THE
END OF THE MONTH.
SEPTEMBER...AFTER A MILD START TO THE MONTH, HIGH PRESSURE OVER THE
REGION STRENGTHENED, BRINGING MUCH WARMER CONDITIONS FOR THE 4TH
THROUGH 6TH. THE HIGH OF 101 ON THE 5TH TIED FOR THE LATEST DATE IN
THE SEASON WITH A TEMPERATURE AT OR ABOVE 100 DEGREES AT SALEM
AIRPORT. TEMPERATURES REMAINED WARM THROUGH THE 10TH. BY MID-MONTH,
A RATHER STRONG UPPER TROUGH DROPPED OUT OF THE GULF OF ALASKA ON
THE 10TH TO 12TH, BRINGING COOLER SHOWERY WEATHER. ANOTHER BRIEF
WARMING PERIOD OCCURRED FROM THE 22ND TO 24TH. A STRONG COLD FRONT
MOVED INLAND ON THE 25TH, BRINGING RAIN AND MUCH COOLER
TEMPERATURES. OVERALL, ENDED UP AS THE 2ND WARMEST SEPTEMBER ON
RECORD.
OCTOBER...FALL WAS IN FULL FORCE AS THE MONTH BEGAN WITH A ROLLER
COASTER RIDE. HIGHS IN THE LOWER 80S ON THE 1ST AND 7TH, WHILE A
COLD FRONT MOVED ACROSS THE REGION ON THE 4TH. COOLER MARINE AIR
SPREAD INLAND ON THE 8TH. FRONTS BROUGHT RAIN NEARLY EACH DAY FROM
THE 15TH THROUGH THE 21ST. A STRONGER FRONT MOVED TOWARD THE REGION
THE 26TH, PUSHING INLAND ON THE 27TH, BRINGING RAIN AND COOLER AIR.
SHOWERS AND COOL TEMPERATURES PERSISTED THROUGH THE END OF THE
MONTH.
NOVEMBER...THE WET WEATHER OF LATE OCTOBER ROLLED INTO NOVEMBER WITH
SEASONABLE TEMPERATURES. RELATIVELY DRY FROM THE 6TH TO 9TH. THEN,
FRONTS MOVED ACROSS THE AREA BRINGING RAIN THROUGH THE 24TH. COOLER
AND DRY WEATHER TO END THE MONTH. MONTHLY RAINFALL WAS OVER AN INCH
ABOVE NORMAL.
DECEMBER...DRY START TO THE MONTH, BUT THE RAINS CAME WITH ABOVE
AVERAGE TEMPERATURES. FINISHED THE MONTH WITH ABOVE AVERAGE RAINFALL
AS WELL. STORMY CHRISTMAS NIGHT THROUGH THE 26TH WITH BREEZY SOUTH
WINDS WITH GUSTS UP TO 50 MPH.
==============================================================
NEW RECORDS SET IN 2024 (PREVIOUS RECORD IN PARENTHESES)
+ INDICATES MOST RECENT OF MULTIPLE PRIOR OCCURRENCES
JANUARY...
14TH NEW. DAILY COOL HIGH TEMP 24 ( 25 /1916 )
27TH NEW. DAILY WARM HIGH TEMP 63 ( 62 /2016 )
28TH NEW. DAILY WARM HIGH TEMP 66 ( 63 /1931 )
FEBRUARY... NO NEW RECORDS SET
MARCH...
16TH NEW. DAILY WARM HIGH TEMP 76 ( 75 /1947 )
18TH TIED. DAILY WARM HIGH TEMP 76 ( 76 /2019 )
APRIL... NO NEW RECORDS SET
MAY...
4TH NEW. DAILY RAINFALL 0.99" (0.88"/1941 )
10TH NEW. DAILY WARM HIGH TEMP 89 ( 87 /2019 )
JUNE...
30TH TIED. DAILY WARM LOW TEMP 63 ( 63 /1942 )
JULY...
5TH NEW. DAILY WARM HIGH TEMP 103 ( 99 /1960 )
6TH NEW. DAILY WARM HIGH TEMP 103 ( 101 /1960 )
7TH NEW. DAILY WARM HIGH TEMP 103 ( 100 /1945 )
8TH NEW. DAILY WARM LOW TEMP 65 ( 62 /2014 )
8TH NEW. DAILY WARM HIGH TEMP 105 ( 102 /1956 )
9TH NEW. DAILY WARM LOW TEMP 65 ( 64 /1905 )
9TH NEW. DAILY WARM HIGH TEMP 106 ( 100 /1926 )
*** WARMEST JULY ON RECORD ***
JULY 2024 MEAN TEMP OF 74.4 (5.1 DEG ABOVE AVERAGE,
BREAKS PRIOR WARMEST JULY (2021 WITH 73.3 DEG).
AUGUST...
1ST NEW. DAILY WARM LOW TEMP 65 ( 64 /2014 )
1ST NEW. DAILY WARM HIGH TEMP 102 ( 101 /2017 )
10TH TIED. DAILY WARM LOW TEMP 63 ( 63 /2023 )
SEPTEMBER...
*** 2ND WARMEST SEPT ON RECORD ***
SEPTEMBER 2024 MEAN TEMP OF 67.8, JUST 0.2 DEG SHY
OF WARMEST SEPT WHICH WAS 2022.
OCTOBER...
26TH NEW. DAILY WARM LOW TEMP 60 ( 58 /1906 )
26TH TIED. DAILY WARM HIGH TEMP 75 ( 75 /2008 )
NOVEMBER... NO NEW RECORDS SET
DECEMBER...
18TH NEW. DAILY WARM HIGH TEMP 62 ( 59 /1959 )
==============================================================
2024 SALEM MONTHLY TEMPERATURE AND PRECIPITATION RANKINGS
THIS TABLE SHOWS WHERE EACH MONTH/YEAR RANKS IN SALEM`S CLIMATE
RECORD (1892-2024). RANKINGS APPLY TO ALL OF THE SAME MONTH:
FOR EXAMPLE, WHERE JUNE 2024 COMPARES TO ALL OTHER JUNES.
JA FE MA AP MA JU JL AU SE OC NO DE 2024
AVG T 44 27 45 49 49 9 1 7 2 7 23 12 5
PRECIP 12 58 62 88 33 88 73 52 92 42 43 46 36
MAX T 78 40 47 67 65 26 1 21 17 13 55 13 11
MIN T 34 22 45 42 40 8 1 5 2 21 14 10 3
SALEM`S RANGE IS 1 TO 132, WHERE 1 = WARMEST OR WETTEST
132 = DRIEST OR COLDEST
===============================================================
2024 SALEM MCNARY 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 47.5 36.3 41.9 -0.2 DEG 66 /28TH 16 /16TH+
FEB 52.0 38.2 45.1 +1.1 DEG 60 /23RD+ 28 / 4TH
MAR 56.2 37.7 46.9 -0.6 DEG 76 /18TH+ 25 / 6TH
APR 61.4 41.0 51.2 -0.1 DEG 75 /23RD+ 32 /17TH
MAY 68.0 46.0 57.0 -0.7 DEG 90 /11TH 36 / 8TH
JUN 77.6 53.0 65.3 +2.6 DEG 92 /21ST 47 /18TH+
JUL 90.5 58.3 74.4 +5.1 DEG 106 / 9TH 52 / 3RD
AUG 85.2 57.4 71.3 +2.1 DEG 102 / 1ST 49 /28TH
SEP 80.0 53.5 66.8 +2.8 DEG 101 / 5TH 43 /30TH
OCT 68.5 45.8 57.1 +2.8 DEG 84 / 1ST 34 /24TH
NOV 53.3 41.9 47.6 +1.3 DEG 62 / 7TH 31 /30TH
DEC 50.3 38.8 44.6 +3.3 DEG 62 /18TH 26 / 4TH
2024 65.9 45.7 55.8 +1.7 DEG 106/JUL 9 16/JAN 16+
NORMAL 64.4 43.9 54.1
DAYS WITH TEMPERATURES IN 2024 WHERE...
|------ MAXIMUM TEMP --------||------ MINIMUM TEMP ---|
<=32 60+ 70+ 80+ 90+ 100+ <=20 <=32 60+ 70+
--------------------------------------------------------------
JAN 4 2 0 0 0 0 4 7 0 0
FEB 0 3 0 0 0 0 0 2 0 0
MAR 0 11 4 0 0 0 0 5 0 0
APR 0 16 5 0 0 0 0 1 0 0
MAY 0 25 11 5 1 0 0 0 0 0
JUN 0 30 24 14 3 0 0 0 2 0
JUL 0 31 31 29 17 6 0 0 10 0
AUG 0 31 31 22 12 1 0 0 10 0
SEP 0 30 27 13 5 1 0 0 4 0
OCT 0 27 15 2 0 0 0 0 1 0
NOV 0 2 0 0 0 0 0 1 0 0
DEC 0 2 0 0 0 0 0 8 X 0
2024 4 210 148 85 38 8 4 24 27 0
NORMAL 2 201 128 66 15 1 2 49 7 0
FIRST/LAST OCCURRENCES OF... IN 2024 AVERAGE
LAST 32 DEG OR COLDER IN SPRING 17 APR (13 APR)
FIRST 70+ DEG OF THE YEAR 15 MAR (31 MAY)
FIRST 80+ DEG OF THE YEAR 9 MAY ( 6 MAY)
FIRST 90+ DEG OF THE YEAR 11 MAY (15 JUN)
LAST 90+ DEG OF THE YEAR 24 SEP ( 8 SEP)
LAST 80+ DEG OF THE YEAR 7 OCT ( 1 OCT)
LAST 70+ DEG OF THE YEAR 26 OCT (21 OCT)
FIRST 32 DEG OR COLDER IN AUTUMN 30 NOV (31 OCT)
==============================================================
2024 SALEM MCNARY 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 10.18 +4.10 25 20 9 1 1.59 JAN 26-27
FEB 4.82 +0.28 19 12 2 1 1.67 FEB 28-29
MAR 4.08 -0.27 15 11 3 0 1.42 MAR 1
APR 1.87 -1.25 15 7 0 0 0.38 APR 25-26
MAY 2.85 +0.60 10 5 2 0 1.45 MAY 3-4
JUN 0.78 -0.47 5 2 1 0 0.65 JUN 2-3
JUL 0.12 -0.13 2 0 0 0 0.09 JUL 29
AUG 0.39 +0.00 4 1 0 0 0.26 AUG 17
SEP 0.85 -0.61 5 2 0 0 0.42 SEP 25
OCT 3.80 +0.33 13 9 1 0 1.26 OCT 26-27
NOV 7.17 +1.22 20 13 7 0 1.21 NOV 13-14
DEC 7.69 +0.72 20 19 3 1 1.61 DEC 25-26
2024 44.60 +4.52 153 101 28 3 1.67 FEB 28-29
NORMAL 40.08 148 92 25 6
SALEM WATER YEAR 2023-24 (1 OCT 2023 THROUGH 30 SEP 2024)
41.51 INCHES ( 104% OF NORMAL, 1.43" ABOVE NORMAL)
============================================================
2024 SALEM MCNARY AIRPORT WIND AND PRESSURE DATA...
AVERAGE SPEED (MPH) STRONGEST WIND GUST
MONTH 2024 NORMAL DIRECTION SPEED DATE
----------------------------------------------------------
JAN 7.7 (7.1) SOUTHWEST 41 MPH JAN 9
FEB 6.4 (6.9) WEST 40 MPH FEB 26
MAR 7.1 (7.4) SOUTH 51 MPH MAR 9
APR 6.7 (6.2) SOUTHWEST 31 MPH APR 30
MAY 6.3 (6.4) SOUTH 34 MPH MAY 6
JUN 6.9 (6.5) SOUTH 36 MPH JUN 2
JUL 6.5 (6.5) NORTHWEST 29 MPH JUL 11
AUG 5.1 (6.0) SOUTH 26 MPH AUG 28
SEP 5.1 (5.5) WEST 30 MPH SEP 28
OCT 5.0 (5.7) WEST 40 MPH OCT 27
NOV 6.6 (7.1) SOUTH 45 MPH NOV 19
DEC 6.1 (7.1) SOUTH 51 MPH DEC 26
2024 6.3 (6.6) SOUTH 51 MPH MAR 9
AND DEC 26
2024 BAROMETRIC PRESSURE EXTREMES...
HIGHEST 30.47 INCHES 14 MAR ( 753 AM PST )
LOWEST 29.30 INCHES 1 MAR ( 1031 PM PST )
============================================================
2024 SALEM WILLAMETTE RIVER DATA (AT DOWNTOWN)...
HIGHEST 21.9 FT 20 JAN (FLOOD STAGE IS 28.0 FT)
LOWEST 5.2 FT 18 JUL
============================================================
SALEM MCNARY AIRPORT PERIOD OF RECORD... 1892 TO 2024
SALEM MCNARY AIRPORT CLIMATE NORMALS... 1991 TO 2020
============================================================
DATA COMPILED BY ROCKEY AND HARTSOCK
ADDITIONAL LOCAL CLIMATE DATA AVAILABLE ON OUR WEBSITE AT:
HTTPS://WWW.WEATHER.GOV/WRH/CLIMATE?WFO=PQR
$$