WFO Monthly/Daily Climate Data
Issued by NWS

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CXUS55 KBOU 200900
CF6BDU
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   Boulder Airport
                                          MONTH:     MAY
                                          YEAR:      2018
                                          LATITUDE:   40  2 N
                                          LONGITUDE: 105 14 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  61  45  53   M  12   0    M    M    M  4.9 18  40   M    M   9 3      16 330
 2  48  43  46   M  19   0    M    M    M  3.6  7 330   M    M  10         M  M
 3  54  41  48   M  17   0    M    M    M  5.8 17  20   M    M   8        21  20
 4  70  43  57   M   8   0    M    M    M  5.0 10  80   M    M   1         M  M
 5  73  50  62   M   3   0    M    M    M  4.1 12 240   M    M   1        17 240
 6  75  48  62   M   3   0    M    M    M  2.4  7 350   M    M   0         M  M
 7  82  50  66   M   0   1    M    M    M  3.5 10 280   M    M   0        16 150
 8  77  52  65   M   0   0    M    M    M  3.2  9 220   M    M   0         M  M
 9  75  52  64   M   1   0    M    M    M  3.0  6 350   M    M   1         M  M
10  86  50  68   M   0   3    M    M    M  4.7 18  30   M    M   1        22  20
11  70  52  61   M   4   0    M    M    M  5.0  9  60   M    M   5         M  M
12  57  50  54   M  11   0    M    M    M  3.6  8  20   M    M  10 13      M  M
13  59  50  55   M  10   0    M    M    M  3.6  7 250   M    M  10 13      M  M
14  64  50  57   M   8   0    M    M    M  2.1  7  40   M    M   6 1       M  M
15  72  43  58   M   7   0    M    M    M  3.0  8 350   M    M   1 3       M  M
16  81  50  66   M   0   1    M    M    M  3.1  9  70   M    M   0         M  M
17  79  52  66   M   0   1    M    M    M  3.6 18 290   M    M   1        31 290
18  64  46  55   M  10   0    M    M    M  3.5  9 340   M    M   5 3       M  M
19  52  43  48   M  17   0    M    M    M  4.2 16  10   M    M  10 13     21  10
================================================================================
SM 1299  910       130   6    M     M     71.9          M       79
================================================================================
AV 68.4 47.9                               3.8 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 18  40               # 31  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:  Boulder Airport
                                          MONTH:    MAY
                                          YEAR:     2018
                                          LATITUDE:   40  2 N
                                          LONGITUDE: 105 14 W

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

AVERAGE MONTHLY: 58.1   TOTAL FOR MONTH:      M    1 = FOG OR MIST
DPTR FM NORMAL:     M   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    86 ON 10    GRTST 24HR    M  ON   M        TO 1/4 MILE OR LESS
LOWEST:     41 ON  3                               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:   0
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   0
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   130    CLEAR  (SCALE 0-3)  10
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)   3
TOTAL FM JUL 1  5079    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL     M

[CDD (BASE 65) ]
TOTAL THIS MO.     6
DPTR FM NORMAL     M    [PRESSURE DATA]
TOTAL FM JAN 1     6    HIGHEST SLP M ON M
DPTR FM NORMAL     M    LOWEST  SLP M ON M

[REMARKS]



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