WFO Monthly/Daily Climate Data
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CXUS55 KBOU 010900
CF6BDU
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BOULDER AIRPORT
                                          MONTH:     OCTOBER
                                          YEAR:      2021
                                          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  45  55   M  10   0    M    M    M  2.1  8 210   M    M   2         M   M
 2  72  48  60   M   5   0    M    M    M  1.9  6 260   M    M   4         M   M
 3  79  46  63   M   2   0    M    M    M  3.3  8 110   M    M   0         M   M
 4  81  52  67   M   0   2    M    M    M  3.5  8  60   M    M   0         M   M
 5  82  45  64   M   1   0    M    M    M  1.6  7  30   M    M   0         M   M
 6  72  46  59   M   6   0    M    M    M  2.9  8 250   M    M   3         M   M
 7  77  52  65   M   0   0    M    M    M  2.3  6 250   M    M   1         M   M
 8  75  48  62   M   3   0    M    M    M  3.5 10 150   M    M   3        16 150
 9  68  50  59   M   6   0    M    M    M 11.2 28 280   M    M   1        44 280
10  68  43  56   M   9   0    M    M    M  5.2 14 270   M    M   1        18 300
11  70  41  56   M   9   0    M    M    M  3.9  9 110   M    M   0        20 110
12  50  36  43   M  22   0    M    M    M  6.1 17 260   M    M   6 3      30 260
13  61  34  48   M  17   0    M    M    M  5.7 13 250   M    M   1        22   0
14  46  34  40   M  25   0    M    M    M  4.1  9 320   M    M   4        18 360
15  55  32  44   M  21   0    M    M    M  6.4 22 280   M    M   0        30 280
16  68  32  50   M  15   0    M    M    M  1.7  6  60   M    M   0         M   M
17  73  37  55   M  10   0    M    M    M  2.1  6 110   M    M   0         M   M
18  75  45  60   M   5   0    M    M    M  3.1 12  50   M    M   1        16  50
19  61  36  49   M  16   0    M    M    M  3.5 10  40   M    M   4        25  80
20  61  32  47   M  18   0    M    M    M  1.9  7  20   M    M   0         M   M
21  63  36  50   M  15   0    M    M    M  2.3  7 210   M    M   0         M   M
22  75  37  56   M   9   0    M    M    M  2.2  6 110   M    M   0         M   M
23  68  41  55   M  10   0    M    M    M  5.0 15 230   M    M   1        20 230
24  68  41  55   M  10   0    M    M    M  4.2 12 240   M    M   0        20 300
25  70  37  54   M  11   0    M    M    M  1.6  7 350   M    M   0         M   M
26  63  39  51   M  14   0    M    M    M  5.2 22 260   M    M   4        41  30
27  57  39  48   M  17   0    M    M    M 14.2 28 290   M    M   1        37 290
28  59  36  48   M  17   0    M    M    M  3.7 10 140   M    M   0         M   M
29  73  37  55   M  10   0    M    M    M  4.7 10 270   M    M   0        16 220
30  73  45  59   M   6   0    M    M    M  5.3 14  30   M    M   2        21 260
31  45  36  41   M  24   0    M    M    M  4.1  7 360   M    M  10         M   M
================================================================================
SM 2072 1258       343   2     M    M    128.4          M       49
================================================================================
AV 66.8 40.6                               4.1 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->    28 280                 44 280
================================================================================
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:     OCTOBER
                                          YEAR:      2021
                                          LATITUDE:   40  2 N
                                          LONGITUDE: 105 14 W

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

AVERAGE MONTHLY: 53.7   TOTAL FOR MONTH:      M    1 = FOG OR MIST
DPTR FM NORMAL:   0.0   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    82 ON  5    GRTST 24HR      M ON  M       TO 1/4 MILE OR LESS
LOWEST:     32 ON 15,16                             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.   343    CLEAR  (SCALE 0-3)  25
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)   5
TOTAL FM JUL 1   400    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL     M

[CDD (BASE 65) ]
TOTAL THIS MO.     2
DPTR FM NORMAL     M    [PRESSURE DATA]
TOTAL FM JAN 1   947    HIGHEST SLP M ON M
DPTR FM NORMAL     M    LOWEST  SLP M ON M

[REMARKS]
#FINAL-10-21#


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