WFO Monthly/Daily Climate Data
Issued by NWS Denver/Boulder, CO

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CF6DEN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   DENVER CO
                                          MONTH:     APRIL
                                          YEAR:      2025
                                          LATITUDE:   39 52 N
                                          LONGITUDE: 104 40 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  52  29  41  -5  24   0 0.08  0.3    0 10.4 30  10   M    M   6 13     38 350
 2  51  28  40  -6  25   0 0.00  0.0    0 10.4 29 300   M    M   7        37 290
 3  40  27  34 -12  31   0 0.13  1.0    0  7.2 22 100   M    M   8 12     28 100
 4  38  27  33 -13  32   0    T  0.1    1 11.7 25  30   M    M  10 1      32  30
 5  42  26  34 -12  31   0    T    T    T  5.1 13 350   M    M   7 1      16 290
 6  59  27  43  -3  22   0 0.00  0.0    0  9.2 18 360   M    M   5        27  20
 7  68  33  51   5  14   0 0.00  0.0    0  7.4 17 200   M    M   2        21 190
 8  74  44  59  13   6   0 0.00  0.0    0  9.5 18 220   M    M   6        24 200
 9  73  40  57  10   8   0 0.00  0.0    0 15.0 33 310   M    M   3        46 280
10  69  33  51   4  14   0 0.00  0.0    0  6.8 16 160   M    M   2        19 160
11  80  41  61  14   4   0 0.00  0.0    0 10.3 21 210   M    M   4        25 210
12  86  52  69  22   0   4 0.00  0.0    0 12.1 20 250   M    M   7        28 250
13  68  36  52   5  13   0 0.03    T    0 13.7 33  40   M    M   8 3      42  30
14  57  31  44  -3  21   0 0.05  0.3    T  5.7 17  10   M    M   6 12     22  20
15  72  28  50   3  15   0 0.00  0.0    0  7.5 17 170   M    M   3        23 170
16  79  48  64  16   1   0 0.00  0.0    0  9.1 31 210   M    M   6        45 220
================================================================================
SM 1008  550       261   4  0.29  1.7    151.1          M       90
================================================================================
AV 63.0 34.4                               9.4 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 33  40                 46 280
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:   DENVER CO
                                          MONTH:     APRIL
                                          YEAR:      2025
                                          LATITUDE:   39 52 N
                                          LONGITUDE: 104 40 W

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

AVERAGE MONTHLY: 48.7   TOTAL FOR MONTH:   0.29    1 = FOG OR MIST
DPTR FM NORMAL:   2.1   DPTR FM NORMAL:   -0.46    2 = FOG REDUCING VISIBILITY
HIGHEST:    86 ON 12    GRTST 24HR  0.13 ON  3- 3      TO 1/4 MILE OR LESS
LOWEST:     26 ON  5                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   1.7 INCHES  5 = HAIL
                        GRTST 24HR   1.0 ON  3- 3  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   1 ON  4     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:   4
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:   8    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   261    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL   -35    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  4792    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL  -537

[CDD (BASE 65) ]
TOTAL THIS MO.     4
DPTR FM NORMAL     4    [PRESSURE DATA]
TOTAL FM JAN 1     4    HIGHEST SLP M ON M
DPTR FM NORMAL     4    LOWEST  SLP 29.23 ON  1

[REMARKS]