WFO Monthly/Daily Climate Data
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CXUS55 KBOU 300757
CF6BDU
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   Boulder Airport
                                          MONTH:     MAY
                                          YEAR:      2017
                                          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  64  41  53   M  12   0    M    M    M 11.1 25 260   M    M   6        37 280
 2  61  43  52   M  13   0    M    M    M  5.2 12  20   M    M   7        27 270
 3  55  37  46   M  19   0    M    M    M  3.2 12  10   M    M   5        20  10
 4  72  37  55   M  10   0    M    M    M  1.8  6  90   M    M   0         M  M
 5  77  43  60   M   5   0    M    M    M  3.6  7  40   M    M   0         M  M
 6  86  50  68   M   0   3    M    M    M  4.5 21 130   M    M   0        28 130
 7  79  54  67   M   0   2    M    M    M  4.5 25 240   M    M   1 3      45 240
 8  68  48  58   M   7   0    M    M    M  5.4 15  20   M    M   5 3      17  50
 9  63  50  57   M   8   0    M    M    M  3.4 10 360   M    M   6 3       M  M
10  55  46  51   M  14   0    M    M    M  5.7  9 360   M    M  10 3      20  50
11  64  45  55   M  10   0    M    M    M  3.2  7  50   M    M   5         M  M
12  79  45  62   M   3   0    M    M    M  2.0  8 110   M    M   0         M  M
13  82  48  65   M   0   0    M    M    M  4.4 10 240   M    M   0         M  M
14  72  50  61   M   4   0    M    M    M  5.5 13 120   M    M   0        20 120
15  77  48  63   M   2   0    M    M    M  3.8 13 260   M    M   1        23 260
16  70  45  58   M   7   0    M    M    M  4.7 14 360   M    M   3 3      18 360
17  72  41  57   M   8   0    M    M    M  6.1 25 360   M    M   5 3      32 360
18  41  32  37   M  28   0    M    M    M  5.8 12 330   M    M  10        20 330
19  41  32  37   M  28   0    M    M    M  4.4 16  20   M    M  10        18  20
20  63  32  48   M  17   0    M    M    M  4.1 15 290   M    M   3        22 290
21  64  39  52   M  13   0    M    M    M  4.3 14 350   M    M   4        23 350
22  68  43  56   M   9   0    M    M    M  4.4 16 270   M    M   5        21  20
23  64  41  53   M  12   0    M    M    M  3.6  9  20   M    M   5         M  M
24  82  41  62   M   3   0    M    M    M  5.0 16 260   M    M   0        25 270
25  72  46  59   M   6   0    M    M    M  6.5 18 270   M    M   3 3      39 270
26  54  45  50   M  15   0    M    M    M  2.8  6  70   M    M   8         M  M
27   M   M   M   M   M   M    M    M    M   M   M   M   M    M   M         M  M
28  57  55  56   M   9   0    M    M    M  5.2  7 220   M    M   6         M  M
29  68  46  57   M   8   0    M    M    M  3.4 13 360   M    M   2 3      17 360
================================================================================
SM 1870 1223       270   5    M     M    127.6          M      110
================================================================================
AV 66.8 43.7                               4.6 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 25 260               # 45  240
================================================================================
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:     2017
                                          LATITUDE:   40  2 N
                                          LONGITUDE: 105 14 W

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

AVERAGE MONTHLY: 55.2   TOTAL FOR MONTH:      M    1 = FOG OR MIST
DPTR FM NORMAL:     M   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    86 ON  6    GRTST 24HR    M  ON   M        TO 1/4 MILE OR LESS
LOWEST:     32 ON 20,19                            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:   3    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   270    CLEAR  (SCALE 0-3)  12
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  4677    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL     M

[CDD (BASE 65) ]
TOTAL THIS MO.     5
DPTR FM NORMAL     M    [PRESSURE DATA]
TOTAL FM JAN 1     8    HIGHEST SLP M ON M
DPTR FM NORMAL     M    LOWEST  SLP M ON M

[REMARKS]


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