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:     MARCH
                                          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  50  23  37   M  28   0 0.00    M    M  1.5  5 310   M    M   0         M   M
 2  63  27  45   M  20   0 0.00    M    M  3.2 13 290   M    M   0         M   M
 3  61  32  47   M  18   0 0.00    M    M  3.2  6 250   M    M   0         M   M
 4  46  32  39   M  26   0 0.00    M    M  5.6 16 280   M    M   7        24 280
 5  61  34  48   M  17   0 0.00    M    M  5.1 10 250   M    M   0         M   M
 6  68  32  50   M  15   0 0.00    M    M  4.4 12 250   M    M   0         M   M
 7  70  43  57   M   8   0 0.00    M    M  4.3  8 130   M    M   0        17  70
 8  66  36  51   M  14   0 0.00    M    M  3.3 17 290   M    M   0        24 290
 9  68  36  52   M  13   0 0.00    M    M  5.1 12  40   M    M   3        18  10
10  50  30  40   M  25   0 0.13    M    M  6.3 21 250   M    M   5 1      33 250
11  43  30  37   M  28   0 0.01    M    M  3.6  8 260   M    M  10 1       M   M
12  41  32  37   M  28   0 0.03    M    M  0.8  6  10   M    M  10         M   M
13  37  32  35   M  30   0 0.31    M    M  5.1  9 350   M    M  10         M   M
14  32  27  30   M  35   0 0.08    M    M 11.4 21 350   M    M   9        28 350
15  36  21  29   M  36   0 0.00    M    M  3.4  8 360   M    M   2 1       M   M
16  39  21  30   M  35   0 0.00    M    M  2.7  8  60   M    M   8 1       M   M
17  43  28  36   M  29   0 0.00    M    M  2.0  6  80   M    M   4 1       M   M
18  43  23  33   M  32   0 0.00    M    M  1.6  6 350   M    M   0         M   M
19  55  30  43   M  22   0 0.00    M    M  1.5  6  60   M    M   0 18      M   M
20  59  32  46   M  19   0 0.00    M    M  2.2  7  80   M    M   0 18      M   M
21  54  32  43   M  22   0 0.24    M    M  4.5 10 120   M    M   7        35 210
22  37  32  35   M  30   0 0.04    M    M  1.5  6 270   M    M   9         M   M
23  43  28  36   M  29   0 0.00    M    M  6.6 14 360   M    M   7        22  30
24  41  32  37   M  28   0 0.00    M    M  3.7  8 180   M    M   7         M   M
25  52  27  40   M  25   0 0.00    M    M  3.8 20 250   M    M   4        26 250
26  50  34  42   M  23   0 0.03    M    M  3.1  8 330   M    M   8 1      16 220
27  52  32  42   M  23   0 0.00    M    M  5.0 14 280   M    M   3 1      23  60
28  63  30  47   M  18   0 0.00    M    M  5.8 16 240   M    M   0        26 270
29  70  36  53   M  12   0 0.00    M    M 15.4 31 260   M    M   1        47 250
30  41  27  34   M  31   0 0.00    M    M  5.6 13 150   M    M   7        29 110
31  54  27  41   M  24   0 0.00    M    M  2.9  7 110   M    M   0         M   M
================================================================================
SM 1588  938       743   0  0.87    M    134.1          M      121
================================================================================
AV 51.2 30.3                               4.3 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    31 260                 47 250
================================================================================
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:     MARCH
                                          YEAR:      2021
                                          LATITUDE:   40  2 N
                                          LONGITUDE: 105 14 W

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

AVERAGE MONTHLY: 40.7   TOTAL FOR MONTH:   0.87    1 = FOG OR MIST
DPTR FM NORMAL:   0.0   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    70 ON 29, 7  GRTST 24HR  0.31 ON 13-13      TO 1/4 MILE OR LESS
LOWEST:     21 ON 16,15                             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:   1    0.01 INCH OR MORE:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:  25    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   743    CLEAR  (SCALE 0-3)  14
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  4801    CLOUDY (SCALE 8-10)  5
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]
#FINAL-03-21#


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