National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

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

                                          STATION:   BOULDER AIRPORT
                                          MONTH:     APRIL
                                          YEAR:      2023
                                          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  36  50   M  15   0    M    M    M  7.2 21 310   M    M   1        35 320
 2  68  43  56   M   9   0    M    M    M 11.9 27 230   M    M   0        41 230
 3  54  36  45   M  20   0    M    M    M  8.7 22 350   M    M   5        31 350
 4  36  21  29   M  36   0    M    M    M  9.4 20 350   M    M  10        29 360
 5  41  16  29   M  36   0    M    M    M  4.4 10 230   M    M   1         M   M
 6  54  25  40   M  25   0    M    M    M  3.1 10 240   M    M   0         M   M
 7  66  32  49   M  16   0    M    M    M  3.9  9 210   M    M   1         M   M
 8  64  36  50   M  15   0    M    M    M  3.2  8 230   M    M   3        21 350
 9  70  39  55   M  10   0    M    M    M  5.6 13 260   M    M   0        21 270
10  77  39  58   M   7   0    M    M    M  2.7  7 250   M    M   0         M   M
11  84  43  64   M   1   0    M    M    M  4.9 21 290   M    M   0        32 290
12  82  50  66   M   0   1    M    M    M  4.9 13 250   M    M   0        23 240
13  75  55  65   M   0   0    M    M    M  7.9 17 160   M    M   1        22 170
14  54  32  43   M  22   0    M    M    M  4.7 16  60   M    M  10        24  60
15  50  32  41   M  24   0    M    M    M  7.5 23 270   M    M   3 12     30 270
16  63  30  47   M  18   0    M    M    M  2.5  6 130   M    M   0         M   M
17  72  36  54   M  11   0    M    M    M  3.2  9  30   M    M   0         M   M
18  77  43  60   M   5   0    M    M    M  5.8 17 220   M    M   1        24 270
19  55  36  46   M  19   0    M    M    M  7.0 15 330   M    M   4        23  90
20  50  32  41   M  24   0    M    M    M 12.7 24 300   M    M   1        37 300
21  52  32  42   M  23   0    M    M    M  8.3 21 290   M    M   5        28 290
22  36  27  32   M  33   0    M    M    M  3.3  6  80   M    M   8         M   M
23  55  28  42   M  23   0    M    M    M  1.8  5 140   M    M   1         M   M
24  64  36  50   M  15   0    M    M    M  4.5 14 250   M    M   3        20 250
25  57  39  48   M  17   0    M    M    M  7.7 20 360   M    M   7        30 360
26  59  39  49   M  16   0    M    M    M  3.7  8 100   M    M   7 1       M   M
27  68  39  54   M  11   0    M    M    M 10.4 33  20   M    M   4        45  20
28  57  36  47   M  18   0    M    M    M  5.1 17 350   M    M   2        32 350
29  73  43  58   M   7   0    M    M    M  3.2  7  50   M    M   2         M   M
30  68  43  56   M   9   0    M    M    M  2.9  8  50   M    M   1         M   M
================================================================================
SM 1845 1074       485   1     M    M    172.1          M       81
================================================================================
AV 61.5 35.8                               5.7 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->    33  20                 45  20
================================================================================
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:      2023
                                          LATITUDE:   40  2 N
                                          LONGITUDE: 105 14 W

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

AVERAGE MONTHLY: 48.7   TOTAL FOR MONTH:      M    1 = FOG OR MIST
DPTR FM NORMAL:   0.0   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    84 ON 11    GRTST 24HR      M ON  M       TO 1/4 MILE OR LESS
LOWEST:     16 ON  5                               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:  11    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   485    CLEAR  (SCALE 0-3)  19
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)   8
TOTAL FM JUL 1  5529    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL     M

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

[REMARKS]
#FINAL-04-23#