WFO Monthly/Daily Climate Data
Issued by NWS Portland, OR

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PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HILLSBORO OR
                                          MONTH:     DECEMBER
                                          YEAR:      2025
                                          LATITUDE:   45 32 N
                                          LONGITUDE: 122 57 W

  TEMPERATURE IN F:       :PCPN:    SNOW:  WIND      :SUNSHINE: SKY     :PK WND
================================================================================
1   2   3   4   5  6A  6B    7    8   9   10  11  12  13   14  15   16   17  18
                                     12Z  AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  48  29  39  -2  26   0    T    M    M  0.8  7 160   M    M   4         9 160
 2  47  38  43   2  22   0 0.01    M    M  1.8  8  40   M    M  10 1      10  50
 3  46  37  42   1  23   0    T    M    M  1.6  7  80   M    M   8 1       8  30
 4  45  41  43   2  22   0 0.48    M    M  2.9  9 140   M    M  10 1      11 150
 5  59  45  52  11  13   0 0.48    M    M  7.7 22 260   M    M   9 1      28 250
 6  55  48  52  12  13   0 0.03    M    M  7.0 20 240   M    M   7 1      27 230
 7  60  42  51  11  14   0 0.21    M    M  7.2 18 190   M    M   8 1      26 190
 8  57  43  50  10  15   0 1.09    M    M 10.8 21 180   M    M   9 1      30 190
 9  57  46  52  12  13   0 1.20    M    M  3.4 15 330   M    M  10 1      19 210
10  60  56  58  18   7   0 0.01    M    M 12.2 20 180   M    M   9 1      29 180
11  61  49  55  15  10   0 0.00    M    M  8.2 16 180   M    M   9 12     22 180
12  53  47  50  10  15   0 0.00    M    M  2.4  7 140   M    M  10 12      8 150
13  54  45  50  10  15   0 0.00    M    M  2.5  9 160   M    M   8        11 310
14  49  43  46   6  19   0 0.12    M    M  2.3  8 120   M    M   9 1       9 130
15  63  47  55  16  10   0 0.49    M    M  8.1 20 180   M    M   9 1      27 180
16  59  49  54  15  11   0 0.35    M    M  8.4 18 180   M    M   9 1      28 210
17  58   M   M   M   M   M 0.08    M    M  9.4 18 230   M    M   6        48 290
18  57  42  50  11  15   0 1.97    M    M  7.5 18 230   M    M  10 1      31 210
19  46  35  41   2  24   0 0.09    M    M  4.5 20 250   M    M   8 1      26 260
20  49  41  45   6  20   0 0.04    M    M  9.1 16 180   M    M  10        23 180
21  44  36  40   1  25   0 0.05    M    M  2.2  7 320   M    M   7 1       9 130
22  52  34  43   4  22   0 0.22    M    M  7.5 23 170   M    M   8 12     37 180
23  46  42  44   5  21   0 0.01    M    M  2.8 10 310   M    M   9        12 300
================================================================================
SM 1225  935       375   0  6.93    M    130.3          M      196
================================================================================
AV 53.3 42.5                               5.7 FASTST   M    M   9    MAX(MPH)
                                 MISC ---->    23 170                 48 290
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:   HILLSBORO OR
                                          MONTH:     DECEMBER
                                          YEAR:      2025
                                          LATITUDE:   45 32 N
                                          LONGITUDE: 122 57 W

[TEMPERATURE DATA]      [PRECIPITATION DATA]       SYMBOLS USED IN COLUMN 16

AVERAGE MONTHLY: 47.9   TOTAL FOR MONTH:   6.93    1 = FOG OR MIST
DPTR FM NORMAL:   8.1   DPTR FM NORMAL:    2.37    2 = FOG REDUCING VISIBILITY
HIGHEST:    63 ON 15    GRTST 24HR  1.97 ON 18-18      TO 1/4 MILE OR LESS
LOWEST:     29 ON  1                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  M            5 = HAIL
                        GRTST 24HR    M  ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  M  ON   M    7 = DUSTSTORM OR SANDSTORM:
                                                       VSBY 1/2 MILE OR LESS
                                                   8 = SMOKE OR HAZE
[NO. OF DAYS WITH]      [WEATHER - DAYS WITH]      9 = BLOWING SNOW
                                                   X = TORNADO
MAX 32 OR BELOW:   0    0.01 INCH OR MORE:  18
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  10
MIN 32 OR BELOW:   1    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   3

[HDD (BASE 65) ]
TOTAL THIS MO.   375    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL  -204    PTCLDY (SCALE 4-7)   6
TOTAL FM JUL 1  1334    CLOUDY (SCALE 8-10) 17
DPTR FM NORMAL  -450

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   483    HIGHEST SLP M ON M
DPTR FM NORMAL   208    LOWEST  SLP 29.42 ON 16

[REMARKS]