CXUS56 KPQR 162214 CLAEUG ANNUAL CLIMATE REPORT NATIONAL WEATHER SERVICE PORTLAND OR 1200 PM PST THU 1 JAN 2026 ...EUGENE 2025 WEATHER IN REVIEW... 2025 NOTABLE WEATHER EVENTS & RECORDS * MID-FEBRUARY WINTER STORM * MID-MARCH HEAVY RAIN AND FLOODING * 3RD WARMEST AUGUST ON RECORD * TIED FOR DRIEST JULY ON RECORD 2025 MONTHLY WEATHER SUMMARIES... JANUARY...MILD START TO THE NEW YEAR AS A WARM FRONT BROUGHT RAIN AND ABOVE NORMAL TEMPERATURES THROUGH THE FIRST WEEK OF JANUARY. THEN, SEASONABLY COOL AND MAINLY DRY THROUGH THE 30TH. PERSISTENT HIGH PRESSURE ALSO ALLOWED FOR COOLER MORNINGS DURING THE SECOND HALF OF THE MONTH. THE AIRPORT RECORDED 13 DAYS OF BELOW FREEZING LOW TEMPERATURES RANGING BETWEEN 20-26 DEGREES BEGINNING THE 18TH. RAIN EVENTUALLY RETURNED ON THE 31ST. BUT, THE MONTH FINISHED WITH A DEFICIT OF WELL OVER 2 INCHES BELOW NORMAL PRECIPITATION. FEBRUARY...SEASONABLY COOL WITH OCCASIONAL RAIN MIXED WITH SNOW AT TIMES THROUGH THE FIRST TEN DAYS OF FEBRUARY. TEMPERATURES THEN TRENDED COOLER THROUGH THE 14TH AS EAST WINDS DROVE A COLDER AIR MASS INTO THE AREA. A LOW PRESSURE SYSTEM PRODUCED MEASURABLE SNOW THE 13TH, WITH 1 INCH OF TOTAL SNOWFALL OBSERVED. THIS WAS FOLLOWED BY ABOUT A QUARTER INCH OF FREEZING RAIN ON THE 14TH. THEN TEMPERATURES TRENDED WARMER THROUGH THE SECOND HALF OF THE MONTH. A SERIES OF FRONTAL SYSTEMS ASSOCIATED WITH A MODERATE TO STRONG ATMOSPHERIC RIVER BROUGHT PERIODS OF MODERATE TO HEAVY RAIN THE 22ND TO 24TH, AS WELL AS BREEZY SOUTHERLY WINDS WITH GUSTS UP TO 51 MPH ON THE 24TH. OVERALL, FEBRUARY RECEIVED SLIGHTLY ABOVE NORMAL PRECIPITATION. MARCH...MOSTLY DRY AND SLIGHTLY ABOVE AVERAGE TEMPERATURES TO START THE MONTH OF MARCH. THEN, A RAINY PATTERN SETTLED IN WITH COOLER TEMPERATURES LATER ON THE 10TH. A SERIES OF FRONTAL SYSTEMS BROUGHT PERIODS OF MODERATE TO HEAVY RAINFALL THE 12TH TO 16TH. AN ATMOSPHERIC RIVER STALLED OVER LANE COUNTY THE 15TH TO 16TH, LEADING TO WIDESPREAD FLOODING ACROSS PORTIONS OF THE AREA, INCLUDING EUGENE AND SPRINGFIELD. OCCASIONAL RAIN SHOWERS FOLLOWED. TEMPERATURES WARMED AGAIN BY THE 23RD WITH RECORD HIGHS IN THE MID TO UPPER 70S RECORDED FROM THE 24TH TO THE 26TH. A RARE SLIGHT RISK OF SEVERE THUNDERSTORMS WAS ALSO ISSUED ON THE 26TH, BUT SEVERE STORMS DID NOT MATERIALIZE. THEN, TYPICAL SPRING WEATHER WITH SHOWERS AND NEAR AVERAGE TEMPERATURES TO END THE MONTH. MARCH RAINFALL WAS OVER 2.5 INCHES ABOVE NORMAL. APRIL...SEASONABLE WEATHER WITH SCATTERED SHOWERS CONTINUED INTO APRIL. HIGH PRESSURE AND OFFSHORE FLOW ALLOWED TEMPERATURES TO WARM INTO THE MID-70S THE 5TH, SETTING A DAILY RECORD HIGH OF 76 DEGREES. ON THE 6TH, A FRONT BROUGHT THE MOST SUBSTANTIAL RAIN OF THE MONTH. THEN, MOSTLY DRY CONDITIONS FOLLOWED WITH ABOVE AVERAGE TEMPS. MUCH BELOW NORMAL RAINFALL OCCURRED IN APRIL. MAY...MAINLY WARM AND DRY START TO THE MONTH WITH DOMINATE HIGH PRESSURE THROUGH THE 10TH. A CHANGE IN THE WEATHER PATTERN BROUGHT COOLER AND UNSETTLED CONDITIONS FOR MUCH OF THE MIDDLE OF MAY. A BROAD LOW PRESSURE SYSTEM BROUGHT SHOWERS TO THE AREA ON THE 12TH, GIVING THE MOST SUBSTANTIAL RAINFALL OF THE MONTH TO THE SOUTHERN WILLAMETTE VALLEY. TEMPERATURES WARMED AGAIN INTO THE 70S TO LOWER 80S WITH PREDOMINATELY DRY CONDITIONS DURING THE FINAL 8 DAYS OF THE MONTH. FINISHED THE MONTH OVER ONE AND A HALF INCH BELOW NORMAL PRECIPITATION. JUNE...JUNE BEGAN WITH NEAR NORMAL WEATHER CONDITIONS. MUCH WARMER TEMPERATURES OCCURRED THE 6TH THROUGH 10TH, WITH HIGHS RANGING FROM THE UPPER 80S TO MID 90S, PEAKING ON THE 9TH SETTING A DAILY RECORD HIGH OF 96 DEGREES. THEN, CONDITIONS RETURNED CLOSER TO AVERAGE AND DRY. A LOW PRESSURE SYSTEM BROUGHT WIDESPREAD RAIN SHOWERS THE 20TH TO 21ST. MOSTLY DRY WEATHER WAS OBSERVED THROUGH THE REMAINDER OF THE MONTH. DURING THE FINAL TWO DAYS OF JUNE, TEMPERATURES WARMED BACK INTO THE 90S. JULY....OVERALL, IT WAS A MOSTLY WARM AND VERY DRY JULY. TIED A DAILY RECORD HIGH TEMPERATURE OF 99 DEGREES ON THE 13TH. LOW PRESSURE THE 20TH AND 21ST PRODUCED COOLER TEMPERATURES WITH HIGHS ONLY REACHING INTO THE MID TO UPPER 70S. SEASONABLE CONDITIONS FINISHED OUT THE MONTH. WITH ZERO RAINFALL RECORDED, EUGENE ALSO TIED WITH 12 OTHER YEARS (SINCE 1893) FOR THE DRIEST JULY ON RECORD. AUGUST...SEASONABLE TEMPERATURES ON THE FIRST WAS FOLLOWED BY A SLIGHT COOLING TREND IN EARLY AUGUST AS INCREASING ONSHORE FLOW COOLED TEMPERATURES INTO THE 70S. BUILDING HIGH PRESSURE INDUCED A WARMING TREND, WITH HIGHS REACHING 99 TO 103 DEGREES THE 10TH THROUGH 12TH. BY MID-MONTH, A STRONG UPPER TROUGH DROPPED OUT OF GULF OF ALASKA, BRINGING COOLER TEMPERATURES AND LIGHT RAIN THE 16TH. HIGH PRESSURE STRENGTHENED AGAIN, BRINGING A PROLONGED STRETCH OF HOT AND DRY WEATHER, WITH HIGHS PEAKING AT 99 DEGREES ON THE 22ND AND 23RD (BOTH DAILY RECORDS). SEASONABLY WARM AND MOSTLY DRY CONDITIONS CONTINUED, AS THE MONTH FINISHED AS THE 3RD WARMEST AUGUST ON RECORD. SEPTEMBER...SEASONABLE TEMPERATURES ON LABOR DAY WAS FOLLOWED BY WARMER TEMPERATURES THE 2ND THROUGH 5TH AS HIGH PRESSURE BUILT OVER THE REGION. THEN, SOMEWHAT COOLER TEMPERATURES AS ONSHORE FLOW RETURNED WITH A FEW LIGHT RAIN SHOWERS. A COLD FRONT BROUGHT MORE WIDESPREAD RAIN ON THE 14TH. SEASONABLY WARM AND DRY WEATHER RETURNED THROUGH THE 28TH, EXCEPT ON THE 21ST WHEN ANOTHER FRONT BROUGHT LIGHT RAIN TO THE AREA. MORE ACTIVE WEATHER ARRIVED THE 29TH CONTINUING THROUGH THE END OF THE MONTH. OCTOBER...COOL AND WET WEATHER CONTINUED INTO THE FIRST PART OF OCTOBER AS MORE FALL-LIKE FRONTAL SYSTEMS MOVED ACROSS THE AREA. THEN, OFFSHORE FLOW BROUGHT AN EXTENDED PERIOD OF DRY WEATHER ALONG WITH TEMPERATURES WARMING INTO THE 70S THE 5TH AND 6TH, AND REACHING 83 DEGREES ON THE 7TH. COOLER TEMPERATURES FOLLOWED AS A COLD FRONT RETURNED ONSHORE FLOW ON THE 8TH, WHILE A LOW PRESSURE SYSTEM OFFSHORE MAINTAINED COOL AND UNSETTLED WEATHER. A SERIES OF FRONTAL SYSTEMS CONTINUED, BRINGING MORE MODERATE RAINFALL THE 25TH AND BREEZY SOUTHERLY WINDS WITH GUSTS UP TO 47 MPH. ABOUT A HALF INCH BELOW AVERAGE RAINFALL FELL FOR OCTOBER. NOVEMBER...A WET START TO NOVEMBER AS A SERIES OF FRONTAL SYSTEMS MOVED THROUGH THE AREA WITH BREEZY SOUTH WINDS. SOUTHERLY WINDS WITH GUSTS UP TO 46 MPH OCCURRED ON THE 5TH. DRY WEATHER THE 7TH THROUGH 12TH AS HIGH PRESSURE RETURNED OVER THE REGION. ABOVE AVERAGE TEMPERATURES CONTINUED THROUGH THE 15TH. THEN, MORE SEASONABLE COOL AND WET WEATHER OCCURRED AS AN ACTIVE AND PROGRESSIVE PATTERN CONTINUED THROUGH MUCH OF THE REMAINDER OF THE MONTH. A COLD FRONT MOVED THROUGH THE AREA ON THANKSGIVING, THE 27TH, PRODUCING RAIN AND BREEZY SOUTHERLY WINDS. OVERALL IT WAS A WARMER THAN NORMAL NOVEMBER, BUT OVER 2.5 INCHES BELOW NORMAL PRECIPITATION FELL. DECEMBER...A RELATIVELY DRY START TO THE MONTH DID NOT LAST LONG AS A PATTERN CHANGE ARRIVED ON THE 4TH. A SERIES OF FRONTS BROUGHT WET WEATHER AND WARMER THAN AVERAGE TEMPERATURES THROUGH THE 7TH. THE AREA REMAINED IN THE WARM SECTOR AS AN ATMOSPHERIC RIVER SYSTEM REMAINED MAINLY TO THE NORTH, WITH LOWS IN THE 50S AND HIGHS AROUND 62 DEGREES THE 10TH AND 11TH. A BRIEF BREAK IN THE WEATHER BEFORE ANOTHER ROUND OF RAIN AND BREEZY WINDS ARRIVED. A VERY STRONG COLD FRONT THE MORNING OF THE 17TH BROUGHT DAMAGING WIND GUSTS OUT OF THE WEST OF UP TO 50 MPH. THIS WAS FOLLOWED BY ANOTHER STRONG ATMOSPHERIC RIVER, SETTING A DAILY PRECIPITATION RECORD OF 2.75 INCHES ON THE 18TH. ACTIVE WEATHER CONTINUED THROUGH THE CHRISTMAS HOLIDAY. THEN, HIGH PRESSURE SETTLED IN WITH CHILLY MORNING LOWS AROUND 26-30 DEGREES THE FINAL THREE DAYS OF THE YEAR. OVERALL, IT WAS ANOTHER MONTH OF BELOW NORMAL PRECIPITATION FOR EUGENE. ============================================================== NEW RECORDS SET IN 2025 (PREVIOUS RECORD IN PARENTHESES) + INDICATES MOST RECENT OF MULTIPLE PRIOR OCCURRENCES JANUARY...NO NEW RECORDS SET. FEBRUARY...NO NEW RECORDS SET. MARCH... 15TH NEW. DAILY RAINFALL 1.34" (1.16"/1912 ) 16TH TIED. DAILY RAINFALL 1.38" (1.38"/1993 ) 24TH NEW. DAILY WARM HIGH TEMP 76 ( 74 /2014 ) 25TH NEW. DAILY WARM HIGH TEMP 74 ( 73 /1997 ) 26TH NEW. DAILY WARM HIGH TEMP 77 ( 72 /1969 ) APRIL... 5TH NEW. DAILY WARM HIGH TEMP 76 ( 75 /1952 ) MAY...NO NEW RECORDS SET. JUNE... 8TH NEW. DAILY WARM HIGH TEMP 94 ( 93 /1955 ) 9TH NEW. DAILY WARM HIGH TEMP 96 ( 91 /2015 ) 30TH TIED. DAILY WARM HIGH TEMP 96 ( 96 /1951 ) JULY... 13TH TIED. DAILY WARM HIGH TEMP 99 ( 99 /1996+) AUGUST... 22ND NEW. DAILY WARM HIGH TEMP 99 ( 96 /1988+) 23RD NEW. DAILY WARM HIGH TEMP 99 ( 98 /1911 ) 24TH TIED. DAILY WARM HIGH TEMP 96 ( 96 /2010+) SEPTEMBER... 16TH NEW. DAILY WARM HIGH TEMP 93 ( 91 /1994 ) OCTOBER...NO NEW RECORDS SET. NOVEMBER... 15TH TIED. DAILY WARM HIGH TEMP 65 ( 65 /1999+) DECEMBER... 10TH NEW. DAILY WARM LOW TEMP 53 ( 51 /1895 ) 11TH TIED. DAILY WARM HIGH TEMP 62 ( 62 /1895 ) 18TH NEW. DAILY RAINFALL 2.75" (1.52"/2018 ) =============================================================== 2025 EUGENE MONTHLY TEMPERATURE AND PRECIPITATION RANKINGS THIS TABLE SHOWS WHERE EACH MONTH/YEAR RANKS IN EUGENE'S CLIMATE RECORD (DEC 1892-2025). RANKINGS APPLY TO ALL OF THE SAME MONTH: EX. WHERE JUNE 2025 COMPARES TO ALL OTHER JUNES. JA FE MA AP MA JU JL AU SE OC NO DE 2025 AVG T 83 83 23 20 51 17 9 3 11 92 28 8 11 PRECIP 87 61 18 87 111 102 132 74 96 71 106 71 110 MAX T 63 84 40 16 44 9 6 6 26 63 18 7 6 MIN T 97 69 13 45 82 61 23 3 11 98 41 10 19 EUGENE'S RANGE IS 1 TO 132, WHERE: 1 = WARMEST OR WETTEST 132 = COLDEST OR DRIEST =============================================================== 2025 EUGENE 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 46.6 31.6 39.1 -2.3 DEG 54 /31ST+ 20 /29TH+ FEB 50.1 34.8 42.5 -0.8 DEG 64 /28TH+ 20 /12TH MAR 57.3 40.7 49.0 +2.1 DEG 77 /26TH 32 / 7TH APR 64.9 40.0 52.5 +1.8 DEG 76 / 5TH 33 /30TH+ MAY 69.2 43.0 56.3 -0.0 DEG 83 /30TH 33 / 4TH JUN 78.9 48.2 63.6 +2.7 DEG 96 /30TH+ 39 /15TH JUL 87.6 53.2 70.4 +2.6 DEG 99 /13TH 42 / 5TH AUG 87.5 56.1 71.8 +3.9 DEG 103 /11TH 47 / 8TH SEP 78.8 50.8 64.8 +1.9 DEG 93 /16TH 40 /27TH+ OCT 64.1 40.6 52.4 -1.0 DEG 83 / 7TH 32 /15TH NOV 55.6 39.9 47.7 +2.2 DEG 65 /15TH+ 30 /18TH DEC 51.6 39.3 45.5 +4.9 DEG 62 /11TH 26 /30TH 2025 66.0 43.2 54.6 +1.5 DEG 103 /AUG 11 20/FEB 12 NORMAL 64.3 41.9 53.1 DAYS WITH TEMPERATURES IN 2025 WHERE... |------ MAXIMUM TEMP --------||------ MINIMUM TEMP ---| <=32 60+ 70+ 80+ 90+ 100+ <=20 <=32 60+ 70+ -------------------------------------------------------------- JAN 0 0 0 0 0 0 3 15 0 0 FEB 0 4 0 0 0 0 1 11 0 0 MAR 0 9 3 0 0 0 0 1 0 0 APR 0 23 6 0 0 0 0 0 0 0 MAY 0 29 14 2 0 0 0 0 0 0 JUN 0 29 27 12 4 0 0 0 0 0 JUL 0 31 31 28 11 0 0 0 2 0 AUG 0 31 31 24 11 2 0 0 10 0 SEP 0 30 28 13 3 0 0 0 2 0 OCT 0 26 4 1 0 0 0 1 0 0 NOV 0 7 0 0 0 0 0 4 0 0 DEC 0 3 0 0 0 0 0 4 0 0 2025 0 222 144 80 29 2 4 36 14 0 NORMAL 2 201 128 66 18 1 2 51 2 0 FIRST/LAST OCCURRENCES OF... IN 2025 NORMAL LAST 32 DEG OR COLDER IN SPRING 7 MAR (13 APR) FIRST 70+ DEG OF THE YEAR 24 MAR (30 MAR) FIRST 80+ DEG OF THE YEAR 27 MAY (10 MAY) FIRST 90+ DEG OF THE YEAR 8 JUN (25 JUN) LAST 90+ DEG OF THE YEAR 16 SEP ( 7 SEP) LAST 80+ DEG OF THE YEAR 7 OCT (29 SEP) LAST 70+ DEG OF THE YEAR 7 OCT (21 OCT) FIRST 32 DEG OR COLDER OF AUTUMN 15 OCT (22 OCT) ============================================================== 2025 EUGENE 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 4.35 -1.70 10 7 3 1 1.46 JAN 2-3 FEB 4.75 +0.08 15 10 2 1 1.72 FEB 22-23 MAR 7.22 +2.58 21 13 6 2 2.07 MAR 15-16 APR 1.55 -1.77 8 2 2 0 0.85 APR 6-7 MAY 0.94 -1.52 12 1 1 0 0.53 MAY 11-12 JUN 0.54 -0.69 2 1 1 0 0.51 JUN 20-21 JUL 0.00 -0.32 0 0 0 0 0.00 JUL 12 AUG 0.15 -0.24 1 1 0 0 0.15 AUG 16 SEP 0.74 -0.65 7 2 0 0 0.39 SEP 14 OCT 2.62 -0.55 14 6 2 0 0.97 OCT 12-13 NOV 3.47 -2.51 18 12 1 0 0.52 NOV 16-17 DEC 5.51 -1.70 17 10 2 1 2.82 DEC 18-19 2025 32.34 -8.49 117 63 18 5 2.82 DEC 18-19 NORMAL 40.83 146 90 26 7 EUGENE WATER YEAR 2024-25 (1 OCT 2024 THROUGH 30 SEP 2025) 39.60 INCHES ( 97% OF NORMAL, 1.23" BELOW NORMAL) TOTAL SNOWFALL FOR 2024... 1.0 INCHES (AVERAGE: 6.1") ============================================================ 2025 EUGENE WIND AND PRESSURE DATA... AVERAGE SPEED (MPH) STRONGEST WIND GUST MONTH 2024 NORMAL DIRECTION SPEED DATE ---------------------------------------------------------- JAN 4.8 (6.8) NORTHWEST 33 MPH JAN 25 FEB 6.7 (7.1) SOUTHWEST 51 MPH FEB 24 MAR 7.8 (7.4) SOUTHEAST 49 MPH MAR 27 APR 5.8 (7.1) SOUTHWEST 31 MPH APR 10 MAY 6.0 (6.6) NORTH 32 MPH MAY 31 JUN 6.9 (7.0) NORTHWEST 35 MPH JUN 1 JUL 6.6 (7.5) NORTHWEST 32 MPH JUL 13 AUG 6.1 (7.1) NORTH 29 MPH AUG 9+ SEP 5.6 (6.8) SOUTH 40 MPH SEP 30 OCT 6.3 (6.4) SOUTH 47 MPH OCT 25 NOV 5.5 (7.0) SOUTHEAST 46 MPH NOV 5 DEC 6.6 (7.1) WEST 49 MPH DEC 17 2025 6.2 (7.0) SOUTHWEST 51 MPH FEB 24 2025 BAROMETRIC PRESSURE EXTREMES... HIGHEST 30.69 INCHES 22 JAN ( XXX AM PST ) LOWEST 29.24 INCHES 24 DEC ( XXX PM PST ) ============================================================== 2025 LOCAL RIVER EXTREMES WILLAMETE RIVER (NEAR EWEB BUILDING, DOWNTOWN EUGENE)... HIGHEST 17.5 FT 14 MAR (FLOOD STAGE IS 23.0 FT) LOWEST 10.1 FT 5 SEP WILLAMETTE (AT HARRISBURG)... HIGHEST 13.0 FT 17 MAR (FLOOD STAGE IS 14.0 FT) LOWEST 1.6 FT 4 DEC MOHAWK RIVER (AT HILL RD, NORTH OF SPRINGFIELD)... HIGHEST 17.2 FT 16 MAR (FLOOD STAGE IS 15.0 FT) LOWEST 0.7 FT 27 AUG ============================================================= EUGENE AIRPORT CLIMATE PERIOD OF RECORDS... DEC 1892 TO 2025 EUGENE AIRPORT CLIMATE NORMALS... 1991 TO 2020 ============================================================= DATA COMPILED BY HARTSOCK AND BATZ ADDITIONAL LOCAL CLIMATE DATA AVAILABLE ON OUR WEBSITE AT: HTTPS://WWW.WEATHER.GOV/WRH/CLIMATE?WFO=PQR $$