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000
CXUS55 KBOU 010900
CF6BDU
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BOULDER AIRPORT
                                          MONTH:     JUNE
                                          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  68  45  57   M   8   0 0.00    M    M  3.2  9 240   M    M   3 3      17 200
 2  73  46  60   M   5   0 0.00    M    M  1.7  5  70   M    M   1         M   M
 3  81  52  67   M   0   2 0.00    M    M  2.0  7 100   M    M   0         M   M
 4  86  55  71   M   0   6 0.00    M    M  1.8  7  70   M    M   0         M   M
 5  90  57  74   M   0   9 0.00    M    M  5.5 18 250   M    M   1        28 220
 6  88  61  75   M   0  10 0.00    M    M  5.8 23 260   M    M   1        30 260
 7  86  54  70   M   0   5 0.00    M    M  3.1 10 200   M    M   1        36 200
 8  88  57  73   M   0   8 0.00    M    M  3.3  9 210   M    M   0        10 320
 9  90  59  75   M   0  10 0.00    M    M  3.3  8 110   M    M   0         M   M
10  90  55  73   M   0   8 0.00    M    M  4.5 28 270   M    M   0        36 270
11  79  57  68   M   0   3 0.00    M    M  6.3 13 130   M    M   0        20 150
12  86  52  69   M   0   4 0.00    M    M  2.4  7 310   M    M   0         M   M
13  90  61  76   M   0  11 0.00    M    M  3.1  8 150   M    M   0         M   M
14  95  61  78   M   0  13 0.00    M    M  3.5  8 250   M    M   0         M   M
15  95  64  80   M   0  15 0.00    M    M  4.0  9 240   M    M   0        16 240
16  99  72  86   M   0  21 0.00    M    M  3.7 18 190   M    M   0        43   0
17 100  64  82   M   0  17 0.00    M    M  3.7 12 170   M    M   0        17 160
18  90  64  77   M   0  12 0.00    M    M  3.8 17 340   M    M   0        23 340
19  88  61  75   M   0  10 0.02    M    M  3.9 20 270   M    M   1 3      38   0
20  79  52  66   M   0   1 0.10    M    M  6.6 25  10   M    M   3        35  10
21  72  50  61   M   4   0 0.05    M    M  3.1  7 150   M    M   6         M   M
22  93  52  73   M   0   8 0.00    M    M  2.9  7  80   M    M   0         M   M
23  97  63  80   M   0  15 0.00    M    M  5.3 15 260   M    M   1        29 260
24  86  63  75   M   0  10 0.02    M    M  6.8 26 250   M    M   5 3      38 250
25  79  50  65   M   0   0 0.51    M    M  3.1 10 360   M    M   5 3      28  30
26  68  54  61   M   4   0 0.28    M    M  4.8 12  60   M    M   8        18  60
27  70  55  63   M   2   0 0.30    M    M  4.3 14 230   M    M   7 3      17 230
28  72  54  63   M   2   0 0.00    M    M  4.1 10 350   M    M   7        18  30
29  73  54  64   M   1   0 0.00    M    M  4.2 20 260   M    M   2        27 260
30  79  55  67   M   0   2 0.00    M    M  3.2  8 250   M    M   2        16 240
================================================================================
SM 2530 1699        26 200  1.28    M    116.9          M       54
================================================================================
AV 84.3 56.6                               3.9 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->    28 270                 43   0
================================================================================
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:     JUNE
                                          YEAR:      2021
                                          LATITUDE:   40  2 N
                                          LONGITUDE: 105 14 W

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

AVERAGE MONTHLY: 70.5   TOTAL FOR MONTH:   1.28    1 = FOG OR MIST
DPTR FM NORMAL:   0.0   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:   100 ON 17    GRTST 24HR  0.51 ON 25-25      TO 1/4 MILE OR LESS
LOWEST:     45 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:   7
MAX 90 OR ABOVE:  11    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.    26    CLEAR  (SCALE 0-3)  24
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)   6
TOTAL FM JUL 1  5663    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL     M

[CDD (BASE 65) ]
TOTAL THIS MO.   200
DPTR FM NORMAL     M    [PRESSURE DATA]
TOTAL FM JAN 1   205    HIGHEST SLP M ON M
DPTR FM NORMAL     M    LOWEST  SLP M ON M

[REMARKS]
#FINAL-06-21#