Climatological Report (Annual)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
000 CXUS56 KPQR 021857 CLAAST ANNUAL CLIMATE REPORT NATIONAL WEATHER SERVICE PORTLAND OR 1056 AM PST SUN 2 JAN 2022 ...ASTORIA 2021 WEATHER IN REVIEW... =============================================================== 2021 NOTABLE RECORDS... 2021 NOTABLE WEATHER EVENTS... *** 5TH DRIEST APRIL *** WINDY, WET MILD JANUARY *** 6TH WARMEST JUNE *** ILWACO TORNADO IN MARCH *** HEAT WAVE OF JUNE *** RAINY MILD NOVEMBER 2021 MONTHLY WEATHER RECAPS... JANUARY...2021 STARTED ON A MILD AND WET NOTE. IT RAINED ON 28 DAYS IN JANUARY, WITH NO RAIN REPORTED ON THE 18TH, 19TH AND 22ND (NORMALLY, JANUARY HAS 22 RAINY DAYS). SEVERAL FRONTS PUSHED ONSHORE THROUGH THE MONTH, SOME PRODUCING STRONG GUSTY SOUTH WINDS. STRONGEST WINDS OF 55 TO 65 MPH OCCURRED ON THE 4TH, AND AGAIN FROM THE 11TH INTO THE 12TH OF JANUARY. BUT, MAIN STORY WAS THE RAIN, AS ASTORIA RECEIVED 15.95 INCHES OF RAIN. THE 3.20 INCHES ON THE 2ND WAS THE 12TH RAINIEST DAY IN JANUARY ON RECORD (GOING BACK TO 1887). ANOTHER VERY WET PERIOD WAS THE 11TH INTO THE 12TH, WITH 5 TO 7 INCHES OF RAIN FALLING ACROSS THE ASTORIA AREA. THIS PUSHED MANY LOCAL RIVERS ABOVE FLOOD STAGE. FEBRUARY...MILD AND WET WEATHER OF CONTINUED INTO FEBRUARY. A BREAK IN THE WEATHER OCCURRED FROM THE 8TH TO THE 10TH. THEN, ARRIVED COLDER WEATHER, WITH TEMPERATURES DROPPING BELOW FREEZING AT NIGHT. A FRONT ARRIVED ON THE 12TH, BRINGING LIGHT SNOW AND SLEET, AND EVEN FREEZING RAIN. WITH AFTERNOON TEMPERATURES BARELY ABOVE 32, THERE WAS LITTLE IF ANY MELTING. THIS MADE FOR SLIPPERY ROADS. MINOR ACCUMULATIONS OF SNOW CONTINUED INTO THE 13TH, WITH MUCH HEAVIER SNOWFALL OCCURRED IN THE COAST RANGE. MILD WEATHER RETURNED TO THE REGION ON THE 15TH, AND LASTED THROUGH THE END OF FEBRUARY. MARCH...MARCH ROLLED IN LIKE A GENTLE LAMB--MILD AND DRY. BUT, THERE WAS A LOT MORE NIGHTS WITH DRY WEATHER AND PARTLY CLOUDY SKIES. THIS ALLOWED NIGHTLY TEMPERATURES TO DROP DOWN TO OR BELOW FREEZING. BUT, IT ALSO ENDED LIKE A LAMB--SUNNY AND MILD WITH HIGHS IN THE 60S. OVERALL, WEATHER WAS RATHER TYPICAL FOR MARCH, COMPLETE WITH OCCASIONAL SHOWERS AND A THUNDERSTORM OR TWO. ONE SUCH THUNDERSTORM PRODUCED PENNY TO NICKEL-SIZED HAIL ON THE 7TH OF MARCH. ANOTHER STORM PRODUCED WINDS UP TO 62 MPH ON CLATSOP SPIT ON THE 19TH. ON MARCH 19TH, A TORNADO MOVED THROUGH ILWACO, WITH A DAMAGE PATH OF JUST UNDER A THIRD OF A MILE. DAMAGE WAS LIGHT. APRIL...THIS WAS A WELCOME BREAK FROM NORMALLY WET AND COOLISH APRILS, AS HIGH PRESSURE DOMINATED. THIS BLOCKED INCOMING WEATHER FRONTS, ALLOWING FOR DRIER AND WARMER WEATHER. AFTERNOON TEMPERATURES WERE OFTEN IN 60S AND 70S. THE WARMEST DAYS WERE 17TH/18TH, WHEN TEMPERATURES REACHED NEAR 80 DEG. BUT, IT WAS ALSO A MUCH DRIER THAN NORMAL APRIL, WITH TOTAL RAINFALL OF 1.37 INCHES (3.83 INCHES BELOW NORMAL). APRIL 2021 WAS THE 5TH DRIEST ON RECORD (SINCE 1850). MAY...RELATIVELY PLEASANT MAY, WITH NEAR NORMAL TEMPERATURES, BUT BELOW NORMAL RAINFALL. MAY RAINFALL WAS 1.16 INCHES, ABOUT ONE-THIRD OF NORMAL MAY RAINFALL. THIS MADE MAY 2021 THE 10TH DRIEST ON RECORD (SINCE 1850). MOST DAYS HIGHS WERE IN UPPER 50S TO MIDDLE 60S, WITH A FEW DAYS IN THE LOWER 70S PEPPERED INTO THE MIX. WARMEST WAS 75 DEG ON THE 31ST. JUNE...JUNE STARTED WARM AND DRY, WITH TEMPERATURES NEAR 80 ON THE 1ST AND 2ND. THEN, WEATHER RESEMBLED THAT MORE OF ANY OTHER JUNE, WITH CLOUDS, RAIN, THE TYPICAL TEMPERATURE YOYO, FROM MIDDLE 50S TO LOWER 60S. THEN, HIGH PRESSURE BUILT OVER THE REGION, BRINGING DRY AND WARMER WEATHER. TEMPERATURES ROSE INTO THE 80S BY THE 25TH, WITH 101 DEG ON THE 27TH. THIS TIED 1 JULY 1941 AS THE WARMEST DAY IN ASTORIA ON RECORD, AND ONLY THE 3RD TIME THAT TEMPERATURES WERE AT OR ABOVE 100 DEG (ONLY OTHER DAYS WERE 1 JUL 1942 AND 11 JUL 1961). UNLIKE THE HEAT WELL INLAND, OCEAN BREEZES BROUGHT COOLER AIR TO THE REGION ON THE 28TH, WITH HIGHS BACK IN THE 70S. JULY...WARM AND DRY WEATHER CONTINUED. WEAK FRONT PUSHED ACROSS THE REGION, BUT LITTLE RAINFALL WITH THE FRONTS. WETTEST DAY WAS THE 7TH, WITH 0.10 INCH OF RAIN. TOTAL JULY RAINFALL WAS ONLY 0.22 INCH, WELL BELOW NORMAL. AUGUST...LIKE JULY, AUGUST WAS RATHER UNEVENTFUL. DAILY HIGH TEMPERATURES WERE MOSTLY IN THE UPPER 60S TO LOWER 70S. THE EXCEPTION WAS THE 15TH AND 16TH, WITH HIGHS WARMING INTO THE 80S. TOTAL RAINFALL WAS ABOUT HALF OF NORMAL. SEPTEMBER...WAS A MILD MONTH, WITH TEMPERATURES CLOSER TO THAT EXPECTED FOR A SEPTEMBER. THOUGH FIRST HALF WAS DRY, THE FIRST RAINS OF AUTUMN ARRIVED ON THE 17TH, WITH RATHER HEAVY RAIN ON THE 17TH AND 18TH. TWO TO 3 INCHES OF RAIN FELL ACROSS THE ASTORIA AREA DURING THAT TIME. TOTAL SEPTEMBER RAINFALL OF 5.00 INCHES (DOUBLE NORMAL). OCTOBER...IT WAS AN OCTOBER THAT IS MORE EXPECTED, WITH COOL SWEATER WEATHER AND SOME RAIN FROM TIME TO TIME. WHILE THERE WERE NO BIG RAIN EVENTS, RAIN FELL ON 21 DAYS, WITH TOTAL OCTOBER RAINFALL ENDING 1.36 INCHES ABOVE NORMAL. A STRONG STORM OVER THE NORTHEAST PACIFIC BROUGHT GUSTY SOUTH WINDS TO THE REGION ON THE 24TH AND 25TH, WITH GUSTS 55 TO 65 MPH TO ASTORIA, BUT TO 75 MPH AT CLATSOP SPIT. EAST WINDS GUSTING 25 TO 30 MPH ON THE 30TH/31ST ENSURED A DRY MILD HALLOWEEN, WITH HIGHS IN THE 60S. NOVEMBER...RAINS CONTINUED THROUGH THE MONTH, ALONG WITH MILD TEMPERATURES. AS IS THE CASE WITH MANY RAINY NOVEMBERS, CLOUDIER SKIES AND MILD TEMPERATURES OFTEN PREVENT THE TEMPERATURES FROM DROPPING BELOW FREEZING. COOLEST NIGHT IN NOV 2021 WAS ONLY 30 DEG ON THE 22ND. ON THE 11TH AND 12TH, A RATHER SLOW MOVING ATMOSPHERIC RIVER SHIFTED FROM SOUTHWARD ACROSS THE REGION. HEAVY RAIN FELL, WITH 3 TO 6 INCHES REPORTED AROUND THE AREA. MINOR FLOODING WAS COMMON ALONG SMALLER STREAMS, AS WELL IN AREAS WITH POOR DRAINAGE, SUCH AS LOW SPOTS WHERE STORM DRAINS WERE CLOGGED WITH TREE LEAVES. DECEMBER... MILD WEATHER OF LATE NOVEMBER EXTENDED INTO EARLY DAYS OF DECEMBER, WITH TEMPERATURES INTO THE LOWER 50S. BUT, THE WET WEATHER CONTINUED, WITH RAIN ON MANY DAYS OF DECEMBER. A CHANGE TO MORE COLDER DAYS CAME AROUND THE 25TH, AS THE STORM TRACK SHIFTED, BRINGING COLDER AIR DOWN FROM THE GULF OF ALASKA. THIS BROUGHT TEMPERATURES IN THE 30S FOR HIGHS, ALONG WITH SNOW SHOWERS. ON THE 26TH, MANY AREAS AROUND ASTORIA PICKED UP A FEW INCHES OF SNOW. COOL WEATHER CONTINUED INTO THE 30TH, THEN TURNED MILDER. ============================================================= NEW RECORDS SET IN 2021 (PREVIOUS RECORD IN PARENTHESES) + INDICATES MOST RECENT OF MULTIPLE OCCURRENCES JANUARY... 2ND TIED. DAILY RAINFALL 3.20" (3.20"/1903 ) 11TH NEW. DAILY RAINFALL 2.36" (1.67"/1932 ) FEBRUARY... 12TH NEW. DAILY COOL HIGH TEMP 33 ( 36 /1923 ) 22ND NEW. DAILY RAINFALL 2.59" (1.97"/1933 ) APRIL... 9TH NEW. DAILY COLD LOW TEMP 30 ( 32 /1982 ) 11TH NEW. DAILY COLD LOW TEMP 30 ( 31 /1991 ) JUNE... 27TH NEW. DAILY WARM HIGH TEMP 101 ( 89 /2000 ) THIS HIGH ON THE 27TH MATCHES THE ALL-TIME HIGHEST EVER TEMPERATURE RECORDED AT ASTORIA (101 ON 1 JUL 1942). THIS IS THE HIGHEST TEMPERATURE EVER RECORDED IN JUNE FOR ASTORIA (PRIOR RECORD WAS 99 DEG ON 30 JUN 1942). OCTOBER... 12TH NEW. DAILY COLD LOW TEMP 33 ( 34 /1981 ) NOVEMBER... 11TH NEW. DAILY RAINFALL 2.61" (2.00"/1951 ) DECEMBER... 27TH NEW. DAILY COOL HIGH TEMP 31 ( 34 /1924 ) ============================================================== 2021 ASTORIA MONTHLY TEMPERATURE AND PRECIPITATION RANKINGS THIS SHOWS WHERE A MONTH/YEAR RANKS IN SALEM PERIOD OF RECORD (1850 TO 2020). RANKINGS ONLY APPLY TO ALL OF THE SAME MONTH, IN OTHER WORDS, WHERE JAN 2020 COMPARES TO ALL OTHER JANUARYS. RANKINGS 1 TO 172...WHERE 1 IS THE RECORD WARMEST OR WETTEST, AND 172 IS THE RECORD DRIEST OR COLDEST. (NOTE: FOR MAX T AND MIN T, RANKINGS 1 TO 135) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2021 AVG T 49 104 127 66 73 6 58 87 75 100 30 121 XXX PRECIP 29 34 134 158 153 106 138 119 28 56 43 54 XXX MAX T 36 111 89 34 88 10 94 88 48 105 34 111 XXX MIN T 60 62 122 103 52 7 26 56 85 72 25 105 XXX =============================================================== 2021 ASTORIA AIRPORT TEMPERATURE DATA + INDICATES MOST RECENT OF MULTIPLE OCCURRENCES |--- AVERAGES ----| MEAN T DEPART| EXTREME TEMPS/DATE MONTH |HIGHS LOWS MEAN| FROM NORMAL | HIGHEST LOWEST -------------------------------------------------------------- JAN 49.7 37.1 43.4 -0.4 DEG 57 /14TH 26 /23RD FEB 47.4 37.5 42.4 -2.0 DEG 51 /28TH+ 28 / 9TH MAR 51.3 35.6 43.5 -2.9 DEG 65 /31ST 27 /16TH APR 58.2 40.0 49.1 +0.4 DEG 80 /17TH 30 /11TH+ MAY 60.2 46.3 53.3 -0.1 DEG 75 /31ST 39 /29TH JUN 68.3 52.6 60.5 +3.2 DEG 101 /27TH 43 / 9TH+ JUL 67.3 54.4 60.9 +0.3 DEG 77 /28TH 46 /19TH AUG 68.2 53.9 61.0 -0.3 DEG 88 /11TH 46 /24TH SEP 68.0 49.7 58.9 -0.1 DEG 83 /24TH 43 /16TH+ OCT 59.5 45.6 52.6 -0.2 DEG 66 /16TH 33 /12TH NOV 54.6 43.2 48.9 +2.0 DEG 61 /15TH 30 /22ND DEC 45.7 35.9 40.8 -2.4 DEG 54 / 7TH+ 26 /27TH 2021 58.2 44.4 51.3 -0.2 DEG 101 /JUN 27 26 /DEC 27+ NORMAL 58.4 44.5 51.5 DAYS WITH TEMPERATURES IN 2021 WHERE... |------ MAXIMUM TEMP --------||------ MINIMUM TEMP ---| <=32 60+ 70+ 80+ 90+ 100+ <=20 <=32 50+ 60+ -------------------------------------------------------------- JAN 0 0 0 0 0 0 0 10 0 0 FEB 0 0 0 0 0 0 0 6 0 0 MAR 0 1 0 0 0 0 0 11 0 0 APR 0 9 3 1 0 0 0 3 0 0 MAY 0 11 4 0 0 0 0 0 7 0 JUN 0 28 9 3 1 1 0 0 21 4 JUL 0 31 7 0 0 0 0 0 27 1 AUG 0 31 8 1 0 0 0 0 25 1 SEP 0 30 10 3 0 0 0 0 18 0 OCT 0 16 0 0 0 0 0 0 10 0 NOV 0 1 0 0 0 0 0 2 4 0 DEC 1 0 0 0 0 0 0 10 0 0 2021 1 158 41 8 1 1 0 42 112 6 NORMAL <1 160 33 4 0 0 1 28 102 2 FIRST/LAST OCCURRENCES OF... IN 2021 NORMAL LAST 32 DEG OR COLDER IN SPRING 11 APR ( 7 APR) FIRST 70+ DEG OF THE YEAR 15 APR (12 APR) FIRST 80+ DEG OF THE YEAR 17 APR (13 JUN) FIRST 90+ DEG OF THE YEAR 27 JUN ( 3 JUL) LAST 90+ DEG OF THE YEAR 27 JUN (14 JUL) LAST 80+ DEG OF THE YEAR 24 SEP (11 SEP) LAST 70+ DEG OF THE YEAR 24 SEP (15 OCT) FIRST 32 DEG OR COLDER IN FALL 21 NOV ( 6 NOV) ============================================================== 2021 ASTORIA 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 15.95 +5.75 26 20 10 4 3.39 JAN 2-3 FEB 12.00 +4.81 24 19 8 4 2.76 FEB 21-22 MAR 4.98 -2.47 17 13 3 0 0.94 MAR 21-22 APR 1.37 -3.83 9 4 1 0 0.72 APR 23-24 MAY 1.16 -2.24 13 3 0 0 0.31 MAY 27 JUN 1.92 -0.38 7 5 2 0 0.79 JUN 12-13 JUL 0.22 -0.61 7 1 0 0 0.11 JUL 6-7 AUG 0.49 -0.63 11 1 0 0 0.22 AUG 6 SEP 5.00 +2.33 12 8 4 2 2.12 SEP 17-18 OCT 7.36 +0.62 21 18 5 2 1.20 OCT 28-29 NOV 14.02 +2.97 27 26 10 4 2.78 NOV 11-12 DEC 12.55 +1.87 28 21 10 4 2.02 DEC 10-11 2021 77.02 +6.76 202 139 53 20 2.81 JAN 5-6 NORMAL 70.26 191 128 45 14 ASTORIA WATER YEAR 2020-21 ( 1 OCT 2020 THROUGH 30 SEP 2021) 65.76 INCHES ( 4.50 INCHES BELOW NORMAL) ============================================================ 2021 ASTORIA AIRPORT WIND AND PRESSURE DATA... AVERAGE SPEED (MPH) STRONGEST WIND GUST (MPH) 2021 NORMAL DIRECTION SPEED DATE ------------------------------------------------------------ JAN 7.2 (8.8) SOUTH 56 MPH 4 JAN FEB 9.3 (8.4) SOUTH 42 MPH 2 FEB MAR 7.7 (8.3) WEST 44 MPH 28 MAR APR 7.3 (8.2) SOUTHWEST 35 MPH 24 APR MAY 8.2 (8.1) SOUTH 34 MPH 27 MAY JUN 7.6 (8.3) SOUTHWEST 36 MPH 6 JUN JUL 8.7 (8.5) NORTHWEST 31 MPH 29 JUL+ AUG 7.2 (7.7) NORTHWEST 31 MPH 29 AUG+ SEP 6.9 (7.0) SOUTH 47 MPH 26 SEP OCT 7.7 (7.1) SOUTH 57 MPH 24 OCT NOV 8.9 (8.3) SOUTH 58 MPH 15 NOV DEC 8.5 (8.7) SOUTHWEST 53 MPH 11 DEC 2021 7.9 (8.0) SOUTH 58 MPH 15 NOV BAROMETRIC PRESSURE EXTREMES... HIGHEST 30.59 INCHES 24 FEB ( 1214 PM PST ) LOWEST 28.97 INCHES 24 OCT ( 0830 AM PST ) ============================================================ ASTORIA AREA CLIMATE PERIOD OF RECORDS... 1850 TO 2021 ASTORIA CLIMATE NORMALS BASED ON... 1991 TO 2020 ============================================================ DATA COMPILED BY ROCKEY NATIONAL WEATHER SERVICE PORTLAND OREGON ONLINE AT: WEATHER.GOV/PORTLAND $$