WFO Monthly/Daily Climate Data
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189
CXUS55 KRIW 011110
CF6RKS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCK SPRINGS WY
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          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  31  16  24   0  41   0    T    M    M 11.5 30 290   M    M   7 1      39 290
 2  25   8  17  -6  48   0    T    M    M  6.9 15  80   M    M   3 1      21  80
 3  32   5  19  -4  46   0 0.00    M    M  5.4 12 240   M    M   0        15 250
 4  40   9  25   3  40   0 0.00    M    M  2.9  9 170   M    M   0        10 120
 5  42   8  25   3  40   0 0.00    M    M  3.2  9 280   M    M   0        11 340
 6  44  10  27   5  38   0 0.00    M    M  3.4  9 260   M    M   0        12 260
 7  41   5  23   1  42   0 0.00    M    M  5.5 15 260   M    M   0        19 230
 8  46  16  31   9  34   0 0.00    M    M  8.8 20 240   M    M   0        24 250
 9  48  16  32  11  33   0 0.00    M    M  4.1 13 230   M    M   0        15 220
10  34  13  24   3  41   0 0.00    M    M 10.8 22  60   M    M   2        31  40
11  28  12  20  -1  45   0    T    M    M  9.6 23 270   M    M   7 1      30 260
12  23   4  14  -7  51   0    T    M    M  6.9 20 340   M    M   5 8      24 330
13  23   3  13  -8  52   0 0.00    M    M 10.2 18 240   M    M   1        24 170
14  22  15  19  -2  46   0    T    M    M  3.7  9 300   M    M  10 18     12 290
15  23   9  16  -5  49   0    T    M    M 18.2 37 250   M    M   4 1      44 250
16  30  19  25   5  40   0 0.00    M    M 20.2 35 260   M    M   6        45 260
17  29  14  22   2  43   0    T    M    M  5.6 22 240   M    M   7 1      27 240
18  28  15  22   2  43   0    T    M    M 13.3 26 260   M    M   5        33 260
19  30  20  25   5  40   0 0.00    M    M 25.4 41 260   M    M   2        56 260
20  37  23  30  10  35   0 0.00    M    M 25.8 49 260   M    M   4        66 260
21  47  28  38  18  27   0 0.00    M    M 12.8 32 260   M    M   5        43 270
22  40  15  28   8  37   0    T    M    M 19.8 44 270   M    M   3 1289   64 260
23  21   8  15  -5  50   0 0.00    M    M 16.9 33 270   M    M   2        43 270
24  34  12  23   3  42   0 0.00    M    M 15.3 29 260   M    M   0        36 250
25  36  11  24   3  41   0 0.00    M    M  4.6 12 190   M    M   0        12 200
26  34  13  24   3  41   0    T    M    M 10.0 29 260   M    M   6 1      36 260
27  32  13  23   2  42   0 0.00    M    M 17.1 29 260   M    M   3        38 250
28  19   5  12  -9  53   0 0.01    M    M  8.4 20  60   M    M   6 1      25  70
29  22   6  14  -7  51   0 0.00    M    M 12.1 22 250   M    M   2 1      28 250
30  28  11  20  -1  45   0    T    M    M 16.6 28 260   M    M   3        37 250
31  29  16  23   2  42   0    T    M    M  9.7 17 240   M    M   7 1      21 250
================================================================================
SM  998  378      1318   0  0.01    M    344.7          M      100
================================================================================
AV 32.2 12.2                              11.1 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->    49 260                 66 260
================================================================================
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:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   41 35 N
                                          LONGITUDE: 109  4 W

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

AVERAGE MONTHLY: 22.2   TOTAL FOR MONTH:   0.01    1 = FOG OR MIST
DPTR FM NORMAL:   1.1   DPTR FM NORMAL:   -0.49    2 = FOG REDUCING VISIBILITY
HIGHEST:    48 ON  9    GRTST 24HR  0.01 ON 28-28      TO 1/4 MILE OR LESS
LOWEST:      3 ON 13                               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:  18    0.01 INCH OR MORE:   1
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   0
MIN 32 OR BELOW:  31    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1318    CLEAR  (SCALE 0-3)  18
DPTR FM NORMAL   -41    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  3193    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL  -157

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   457    HIGHEST SLP 30.75 ON  2
DPTR FM NORMAL   171    LOWEST  SLP 29.59 ON 22

[REMARKS]
#FINAL-12-20#