WFO Monthly/Daily Climate Data
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CXUS55 KRIW 011146
CF6RKS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCK SPRINGS WY
                                          MONTH:     JANUARY
                                          YEAR:      2021
                                          LATITUDE:   41 35 N
                                          LONGITUDE: 109  4 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  27   7  17  -4  48   0 0.00    M    M  9.7 17 250   M    M   0        21 240
 2  32  11  22   1  43   0 0.00    M    M 18.1 32 270   M    M   2        40 260
 3   M   M   M   M   M   M 0.00    M    M 20.4 30 260   M    M   1        40 250
 4  35  18  27   6  38   0    T    M    M  5.8 23 260   M    M   3        30 270
 5  30  16  23   2  42   0 0.04    M    M 21.2 43 260   M    M   5 18     54 250
 6  31  11  21   0  44   0 0.00    M    M 11.3 20 240   M    M   0        24 250
 7  34  11  23   2  42   0    T    M    M  7.9 28 270   M    M   3        33 270
 8  30   8  19  -2  46   0 0.00    M    M  3.9 14 230   M    M   1 1      17 230
 9  24  10  17  -4  48   0    T    M    M  4.3 15  60   M    M   9 128    17  60
10  26   7  17  -5  48   0 0.00    M    M  7.2 15 260   M    M   2        20 240
11  28   0  14  -8  51   0 0.00    M    M  9.0 18 250   M    M   0        23 240
12  40  14  27   5  38   0 0.00    M    M 11.3 28 260   M    M   0        37 250
13  45  24  35  13  30   0    T    M    M 22.5 43 290   M    M   7        56 280
14  31  16  24   2  41   0 0.00    M    M 24.2 38 270   M    M   0        50 260
15  43  21  32  10  33   0 0.00    M    M 27.7 38 260   M    M   1        46 260
16  36  23  30   8  35   0 0.00    M    M 21.1 33 270   M    M   2        43 280
17  41  25  33  11  32   0 0.00    M    M 23.8 44 260   M    M   4        55 260
18  32  16  24   2  41   0    T    M    M  9.7 26  70   M    M   3        33 280
19  30  13  22   0  43   0 0.00    M    M  8.9 22  70   M    M   2        30  70
20  41  13  27   5  38   0 0.00    M    M 18.7 30 270   M    M   0        42 270
21  38  21  30   9  35   0    T    M    M  9.6 24 280   M    M   5        28 270
22  40  26  33  12  32   0    T    M    M  8.0 15 170   M    M   8 1      19 180
23  30  18  24   3  41   0 0.01    M    M  9.8 21  60   M    M   8 1      26  60
24  30  12  21   0  44   0    T    M    M  5.0 12 290   M    M   7 1      16 300
25  25   6  16  -5  49   0    T    M    M  4.2 10  80   M    M   8 128    15  80
26  19   9  14  -7  51   0    T    M    M  7.9 16  80   M    M   7 18     20  60
27  29   3  16  -5  49   0 0.00    M    M  8.1 21 160   M    M   0        26 160
28  37  20  29   8  36   0 0.00    M    M 16.1 29 130   M    M   1        39 140
29  43  28  36  15  29   0    T    M    M 16.7 32 180   M    M   4 1      42 180
30  32  17  25   3  40   0    T    M    M 19.6 33 270   M    M   5 1      42 270
31  35  12  24   2  41   0 0.00    M    M  5.0 16 240   M    M   0        20 250
================================================================================
SM  994  436      1228   0  0.05    M    396.7          M       98
================================================================================
AV 33.1 14.5                              12.8 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->    44 260                 56 280
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   ROCK SPRINGS WY
                                          MONTH:     JANUARY
                                          YEAR:      2021
                                          LATITUDE:   41 35 N
                                          LONGITUDE: 109  4 W

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

AVERAGE MONTHLY: 23.8   TOTAL FOR MONTH:   0.05    1 = FOG OR MIST
DPTR FM NORMAL:   2.4   DPTR FM NORMAL:   -0.40    2 = FOG REDUCING VISIBILITY
HIGHEST:    45 ON 13    GRTST 24HR  0.33 ON 28-28      TO 1/4 MILE OR LESS
LOWEST:      0 ON 11                               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:  17    0.01 INCH OR MORE:   2
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   0
MIN 32 OR BELOW:  30    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   1    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1228    CLEAR  (SCALE 0-3)  18
DPTR FM NORMAL  -124    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  4421    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL  -289

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.62 ON 11
DPTR FM NORMAL     0    LOWEST  SLP 29.64 ON 23

[REMARKS]
#FINAL-01-21#


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