537
CXUS56 KPDT 011802
CLMHRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON,OR
1102 AM PDT MON JUN 01 2026

...................................

...THE HERMISTON OR CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1906 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            102   05/30/1983
 LOW              22   05/01/1954
HIGHEST           90   05/28                          92  05/28
LOWEST            37   05/01                          31  05/06
AVG. MAXIMUM    78.0               76.2     1.8     76.7
AVG. MINIMUM    46.3               46.3     0.0     45.2
MEAN            62.2               61.2     1.0     60.9
DAYS MAX >= 90     1                2.3    -1.3        2
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                1.4    -1.4        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.48   1994
 MINIMUM        0.01   1964
TOTALS          0.11               0.83   -0.72     0.82
DAILY AVG.      0.00               0.03   -0.03     0.03
DAYS >= .01        4                7.7    -3.7        6
DAYS >= .10        0                3.0    -3.0        2
DAYS >= .50        0                0.1    -0.1        1
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.04   05/13 TO 05/13               0.60  05/17 TO 05/17
                       05/25 TO 05/26


DEGREE DAYS
HEATING TOTAL    110                155     -45      141
 SINCE 7/1      4304               4823    -519
COOLING TOTAL     32                 39      -7       24
 SINCE 1/1        32                 41      -9
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
RESULTANT WIND SPEED/DIRECTION   6/240
HIGHEST WIND SPEED/DIRECTION    35/270    DATE  05/13
HIGHEST GUST SPEED/DIRECTION    49/260    DATE  05/13

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       0     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$