WFO Monthly/Daily Climate Data
Issued by NWS

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CXUS55 KBOU 181109
CF6BDU
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   Boulder Airport
                                          MONTH:     APRIL
                                          YEAR:      2015
                                          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  70  43  57   M   8   0    M    M    M  7.7 23 250   M    M   4        38 250
 2  43  30  37   M  28   0    M    M    M  6.1 13 350   M    M  10        16 350
 3  46  30  38   M  27   0    M    M    M  2.9  8 260   M    M   5         M  M
 4  63  30  47   M  18   0    M    M    M  1.9  7 100   M    M   0         M  M
 5  73  36  55   M  10   0    M    M    M  3.6  9 260   M    M   0         M  M
 6  72  41  57   M   8   0    M    M    M  4.5 12  70   M    M   0        16  70
 7  61  41  51   M  14   0    M    M    M  3.9 10  30   M    M   5 1       M  M
 8  57  41  49   M  16   0    M    M    M  4.4  9  90   M    M   8 1      18 100
 9  54  36  45   M  20   0    M    M    M  4.9 12  70   M    M   6         M  M
10  63  32  48   M  17   0    M    M    M  3.7 13 350   M    M   1         M  M
11  72  36  54   M  11   0    M    M    M  4.9 10 260   M    M   0        18 260
12  66  41  54   M  11   0    M    M    M 10.2 23 290   M    M   1        36 290
13  66  36  51   M  14   0    M    M    M  2.9  8  30   M    M   0         M  M
14  73  41  57   M   8   0    M    M    M  4.0 12 150   M    M   0        18 150
15  59  36  48   M  17   0    M    M    M  7.6 22  10   M    M   2        31  10
16  37  32  35   M  30   0    M    M    M  1.7  6 160   M    M  10         M  M
17  50  34  42   M  23   0    M    M    M  7.2 17 350   M    M   8 3      20  10
================================================================================
SM 1025  616       280   0    M     M     82.1          M       60
================================================================================
AV 60.3 36.2                               4.8 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 23 250               # 38  250
================================================================================
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:    APRIL
                                          YEAR:     2015
                                          LATITUDE:   40  2 N
                                          LONGITUDE: 105 14 W

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

AVERAGE MONTHLY: 48.3   TOTAL FOR MONTH:      M    1 = FOG OR MIST
DPTR FM NORMAL:     M   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    73 ON 14, 5 GRTST 24HR    M  ON   M        TO 1/4 MILE OR LESS
LOWEST:     30 ON  4, 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:   5    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   280    CLEAR  (SCALE 0-3)   9
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)   5
TOTAL FM JUL 1  4708    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL     M

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

[REMARKS]


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