Climatological Report (Annual) Issued by NWS Portland, OR
000
CXUS56 KPQR 111840 CCA
CLAAST
ANNUAL CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OR
1000 PM PST MON DEC 31 2012
...2012 ASTORIA WEATHER YEAR IN REVIEW...
JANUARY...IT WAS A RELATIVELY QUIET START TO THE YEAR...WITH ONLY
2 INCHES OF RAIN THROUGH THE FIRST TWO WEEKS OF JAN...AND 8 DAYS OF
0.01 INCH OR LESS THROUGH THE FIRST 15 DAYS OF THE MONTH. A RARE
SNOW EVENT OCCURRED ON THE 17TH INTO THE 18TH...WITH A TRACE TO AS
MUCH AS 2 INCHES OF SNOW AROUND THE ASTORIA AREA. BUT THE SWITCH
BACK TO MORE SEASONABLE WEATHER WAS FLIPPED OVER THE SECOND HALF
OF JANUARY. SEVERAL SYSTEMS BROUGHT HEAVY RAIN AND STRONG WINDS.
ALMOST 9 INCHES OR RAIN WERE RECORDED OVER THE SECOND HALF OF THE
MONTH. THE MONTHLY RAINFALL TOTAL ENDED UP BEING JUST ABOVE NORMAL.
THE COLDEST TEMPERATURE OF THE YEAR WAS RECORDED ON JAN 16 AT 24 DEG.
FEBRUARY...NOT MUCH TO SAY ABOUT FEBRUARY. IT WAS ABOUT AVERAGE BY
MOST MEASURES. THE MONTH DID START OUT A BIT ON THE MILD SIDE...WITH
THE AVERAGE DAILY TEMPERATURE AT OR ABOVE NORMAL FOR THE FIRST 11
DAYS OF THE MONTH. THE MONTH ENDED ON THE COLDER SIDE WITH LOWS NEAR
OR BELOW FREEZING SEVERAL NIGHTS.
MARCH...IT WAS A VERY ACTIVE MONTH...WITH PRECIPITATION WELL ABOVE
NORMAL AND TEMPERATURES WELL BELOW NORMAL. SEVERAL SIGNIFICANT
RAINFALL EVENTS CONTRIBUTED TO A MONTHLY TOTAL OF 14.13 INCHES...
WHICH WAS THE 4TH WETTEST MARCH ON RECORD. RAINFALL TOTALS EXCEEDED
2 INCHES ON BOTH THE 12TH AND THE 29TH. THE AVERAGE DAILY HIGH
TEMPERATURE WAS OVER 4 DEG BELOW NORMAL.
APRIL...IT WAS A FAIRLY UNEVENTFUL MONTH...ALTHOUGH THE WET START TO
THE SPRING CONTINUED. THE MONTHLY RAINFALL TOTAL OF 7.40 INCHES WAS
OVER 2 INCHES ABOVE NORMAL. TEMPERATURES WERE CLOSE TO SEASONAL
NORMALS.
MAY...THE COOL AND WET SPRING CONTINUES. PRECIPITATION WAS ABOUT
50 PERCENT ABOVE NORMAL. THE AVERAGE DAILY TEMPERATURE WAS 1.5 DEG
BELOW NORMAL...WITH 22 OUT OF THE 31 DAYS COMING IN BELOW NORMAL.
THE FIRST 70 DEG DAY OF THE YEAR OCCURRED ON MAY 7...WHICH IS NEARLY
A MONTH LATER THAN NORMAL.
JUNE...THIS MONTH PICKED UP RIGHT WHERE MAY LEFT OFF. PRECIPITATION
RAN ABOVE NORMAL FOR THE 4TH CONSECUTIVE MONTH. JUNE CLOCKED IN WITH
4.82 INCHES OF RAIN...WHICH IS THE 10TH WETTEST JUNE ON RECORD. THE
PERIOD FROM MARCH THROUGH JUNE BROUGHT 31.29 INCHES OF RAIN...WHICH
IS THE SECOND WETTEST MARCH TO JUNE SINCE RECORD KEEPING BEGAN.
MEANWHILE TEMPERATURES RAN ALMOST 2 DEG BELOW NORMAL.
JULY...AFTER A VERY WET SPRING...JULY STARTED THE SUMMER OFF
ON A DRY NOTE. MONTHLY RAINFALL WAS ABOUT HALF OF NORMAL. HOWEVER...
COOL TEMPERATURES PERSISTED. NOT A SINGLE 70 DAY WAS RECORDED. IN A
TYPICAL JULY...ASTORIA SEES ABOUT 10 DAYS ABOVE 70 DEGREES.
AUGUST...WHAT BEGAN AS A DRY SUMMER IN JULY BECAME EVEN DRIER DURING
AUGUST. THE MONTHLY RAINFALL TOTAL WAS ONLY 0.06 INCHES...WHICH WAS
THE DRIEST AUGUST EVER RECORDED. AFTER A COOL JULY...TEMPERATURES
RETURNED TO NEAR NORMAL. THE WARMEST TEMPERATURE OF THE YEAR WAS
RECORDED ON THE 4TH...WHEN THE AFTERNOON HIGH REACHED 92 DEG.
SEPTEMBER...THE DRY SUMMER CONTINUES. THE MONTLY RAINFALL OF 0.22
INCHES WAS ALMOST 2 INCHES BELOW NORMAL. THIS WAS THE 6TH DRIEST
SEPTEMBER ON RECORD. THE PERIOD FROM JULY THROUGH SEPTEMBER WAS THE
DRIEST SUMMER EVER RECORDED. TEMPERATURES WERE CLOSE TO SEASONAL
NORMALS.
OCTOBER...PLEASANT EARLY FALL WEATHER CONTINUED FOR THE EARLY PART
OF THE MONTH. HOWEVER...THE RAIN STARTED AGAIN RIGHT ON SCHEDULE
DURING THE SECOND WEEK OF THE MONTH AND CONTINUED NEARLY WITHOUT
STOP FOR THE REST OF THE MONTH. FROM THE 11TH ON THERE WERE ONLY 3
DRY DAYS. SEVERAL VERY WET SYSTEMS TOWARDS THE END OF THE MONTH
HELPED BOOST THE MONTHLY RAINFALL TOTAL TO 13.15 INCHES...WHICH WAS
THE 3RD WETTEST OCTOBER ON RECORD.
NOVEMBER...THIS MONTH CONTINUED THE WET FALL. A STRONG FRONTAL
SYSTEM BROUGHT VERY STRONG WINDS AND HEAVY RAIN ON THE 18TH AND
19TH. OVER 4 INCHES OF RAIN FELL OVER THESE 2 DAYS AND A WIND GUST
OF 74 MPH ON THE 19TH ENDED UP BEING THE STRONGEST WIND RECORDED
DURING THE YEAR. TEMPERATURES WERE A BIT ABOVE NORMAL AND RAINFALL
ENDED UP ABOVE NORMAL.
DECEMBER...ANOTHER WET MONTH. THE TOTAL RAINFALL WAS 14.63
INCHES...WHICH WAS ALMOST 5 INCHES ABOVE NORMAL. THERE WERE ONLY 3
DAYS WITH LESS THEN 0.01 RECORDED OVER THE MONTH. TEMPERATURES
REMAINED A BIT ABOVE NORMAL AS SEVERAL WARM RAIN SYSTEMS CAME
THROUGH. DECEMBER CONCLUDED A ROLLERCOAST YEAR THAT INCLUDED VERY
WET WEATHER IN THE WINTER...FALL...AND SPRING MONTHS...AND A RECORD
DRY SUMMER.
================================================================
RECORDS SET IN 2012 (PERIOD OF RECORD IS 1890 TO 2012)...
(PREVIOUS RECORD IN PARENTHESES)
JANUARY....
NONE.
FEBRUARY...
21ST TIED RECORD WARM OVERNIGHT LOW 48 DEG (2002,1983,1968)
MARCH...
18TH RECORD COOL AFTERNOON HIGH TEMP 43 DEG (43 IN 1952)
29TH RECORD DAILY RAINFALL TOTAL 2.54 IN (1.26/1983)
4TH WETTEST MARCH ON RECORD
APRIL...
NONE.
MAY...
3RD RECORD DAILY TOTAL RAINFALL 1.33 IN (1.12 IN 1896)
11TH RECORD DAILY LOW TEMP 34 DEG (35 IN 1985))
19TH TIED RECORD DAILY LOW TEMP 37 DEG (1995,1982,1977)
JUNE...
29TH TIED RECORD WARM OVERNIGHT LOW 58 DEG (2004,1944,1923)
10TH WETTEST JUNE ON RECORD
JULY...
4TH TIED RECORD DAILY LOW TEMP 45 DEG (201, 1957,1933)
AUGUST...
4TH RECORD DAILY HIGH TEMP 92 DEG (88 IN 1932)
17TH RECORD COOL AFTERNOON HIGH TEMP 60 DEG (62 IN 2008 1980)
DRIEST AUGUST ON RECORD
SEPTEMBER...
19TH RECORD COOL AFTERNOON HIGH TEMP 57 DEG (58 IN 1970 1900)
6TH DRIEST SEPTEMBER ON RECORD
OCTOBER...
21ST RECORD COOL AFTERNOON HIGH TEMP 48 DEG (50 IN 1894)
22ND RECORD COOL AFTERNOON HIGH TEMP 49 DEG (50 IN 1956)
29TH RECORD WARM OVERNIGHT LOW TEMP 54 DEG (53 IN 1921)
3RD WETTEST OCTOBER ON RECORD 13.15 IN
NOVEMBER...
10TH RECORD DAILY LOW TEMP 29 DEG (29 IN 1978)
DECEMBER...
19TH RECORD DAILY TOTAL RAINFALL 2.71 IN (2.02 IN 1934)
2012 IS THE 9TH WETTEST YEAR ON RECORD WITH 91.29 INCHES OF
RAIN. (RECORD WETTEST IS 1950 WITH 113.94 INCHES OF RAIN).
================================================================
2012 TEMPERATURE DATA...
AVG AVG AVG DEPARTURE TEMP EXTREMES/ DATE
MONTH HIGH LOW MEAN FROM NORMAL HIGHEST LOWEST
================================================================
JAN 49.0 35.5 42.3 -1.5 58 ON 4TH 24 ON 16TH
FEB 50.1 38.1 44.1 -0.3 60 ON 6TH 27 ON 27TH
MAR 49.5 37.8 43.7 -2.7 65 ON 8TH 26 ON 7TH
APR 55.7 41.8 48.8 +0.1 68 ON 21ST 35 ON 4TH,6TH
MAY 59.1 43.9 51.5 -1.5 76 ON 12TH 34 ON 11TH
JUN 61.7 48.5 55.1 -1.9 70 ON 27TH 42 ON 6TH
JUL 65.2 53.4 59.3 -1.0 69 ON 16TH 45 ON 4TH
AUG 68.2 53.2 60.7 -0.2 92 ON 4TH 44 ON 31ST
SEP 67.8 48.3 58.1 -0.4 85 ON 13TH 41 ON 30TH
OCT 59.7 44.6 52.2 -0.4 77 ON 7TH 34 ON 25TH
NOV 53.8 42.0 47.9 +1.1 61 ON 4TH 29 ON 10TH
DEC 47.5 37.5 42.5 +1.9 58 ON 4TH 26 ON 30TH,31ST
2012 57.4 43.9 50.6 -0.8 92 ON AUG 4 24 ON JAN 16
NORMAL 58.6 44.1 51.4 <-------- 1981-2010 CLIMATIC NORMALS
DAYS WITH HIGHS OF... DAYS WITH LOWS OF...
MONTH <=32 60+ 70+ 80+ 90+ 100+ <=20 <=32 60+ 70+
===============================================================
JAN 0 0 0 0 0 0 0 10 0 0
FEB 0 1 0 0 0 0 0 3 0 0
MAR 0 2 0 0 0 0 0 8 0 0
APR 0 7 0 0 0 0 0 0 0 0
MAY 0 11 3 0 0 0 0 0 0 0
JUN 0 18 1 0 0 0 0 0 0 0
JUL 0 31 0 0 0 0 0 0 0 0
AUG 0 31 7 2 1 0 0 0 0 0
SEP 0 28 8 3 0 0 0 0 0 0
OCT 0 12 5 0 0 0 0 0 0 0
NOV 0 1 0 0 0 0 0 3 0 0
DEC 0 0 0 0 0 0 0 2 0 0
2012 0 142 24 5 1 0 0 26 0 0
NORMAL 0 164 37 4 0 - 0 29 0
FIRST AND LAST OCCURRENCES OF... IN 2012 NORMALLY
LAST 32 DEG OR COLDER IN SPRING... MAR 23 APR 7
FIRST 70+ DEG IN SPRING... MAY 7 APR 12
FIRST 80+ DEG IN SPRING/SUMMER... AUG 4 JUN 13
FIRST 90+ DEG IN SPRING/SUMMER ... AUG 4 JUL 3
LAST 90+ DEG IN LATE SUMMER/FALL... AUG 4 JUL 14
LAST 80+ DEG IN LATE SUMMER/FALL... SEP 17 SEP 11
LAST 70+ DEG IN LATE SUMMER/FALL... OCT 7 OCT 15
FIRST 32 DEGREES OR LOWER IN FALL... NOV 9 NOV 10
================================================================
2012 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 10.80 +0.60 21 18 6 4 1.88 /JAN 17-18
FEB 6.80 -0.39 22 18 5 1 1.35 /FEB 21-22
MAR 14.13 +6.68 26 22 10 3 2.67 /MAR 28-29
APR 7.40 +2.20 16 13 5 1 2.38 /APR 19-20
MAY 4.94 +1.62 12 10 3 1 1.55 /MAY 2-3
JUN 4.82 +2.27 21 15 2 1 1.19 /JUN 7
JUL 0.50 -0.53 8 2 0 0 0.34 /JUL 2-3
AUG 0.06 -1.10 2 0 0 0 0.05 /AUG 26
SEP 0.22 -1.92 3 1 0 0 0.20 /SEP 9-10
OCT 13.15 +7.17 18 16 8 5 2.65 /OCT 30-31
NOV 13.84 +2.69 24 17 7 5 3.43 /NOV 18-19
DEC 14.63 +4.74 28 23 9 3 2.94 /DEC 19-20
2012 91.29 +24.03 201 155 55 24 3.43 ON NOV 18-19
NORMAL 67.26 N/A 190 124 44 11 - - -
WATER YEAR 2011-12 TOTAL (OCT 1 2011 THROUGH SEP 30 2012)
68.89 INCHES 7.25 INCHES ABOVE NORMAL
============================================================
2012 WIND AND PRESSURE DATA...
MEAN CLIMATE NORMAL STRONGEST PEAK WIND
MONTH SPEED MEAN SPEED (SPEED, DIR AND DATE)
==============================================================
JAN 7.7 MPH 8.8 MPH SOUTH 56 MPH JAN 24
FEB 8.2 8.4 WEST 51 MPH FEB 25
MAR 9.3 8.3 SOUTH 60 MPH MAR 15
APR 7.0 8.2 SOUTH 38 MPH APR 30
MAY 7.3 8.1 SOUTHWEST 40 MPH MAY 22
JUN 6.0 8.3 SOUTHEST 30 MPH JUN 30
JUL 6.9 8.5 WEST 46 MPH JUL 6
AUG 7.1 7.7 SOUTH 48 MPH AUG 7
SEP 5.8 7.0 NORTHWEST 31 MPH SEP 11
OCT 7.8 7.1 SOUTH 54 MPH OCT 15
NOV 7.3 8.3 SOUTHWEST 74 MPH NOV 19
DEC 8.1 8.7 SOUTH 54 MPH DEC 19
2012 7.3 MPH 8.0 WEST 74 MPH ON NOV 19
HIGHEST PRESSURE RECORDED IN 2012... 30.62 ON JAN 27
LOWEST PRESSURE RECORDED IN 2012... 28.99 ON DEC 16
==============================================================
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2012
$$
DATA COMPILED BY PYLE