National Weather Service Weather Forecast Office

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

000
CXUS55 KRIW 011010
CF6P60
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   LAKE YELLOWSTONE WY
                                          MONTH:     MAY
                                          YEAR:      2021
                                          LATITUDE:   44 32 N
                                          LONGITUDE: 110 25 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  60  28  44  10  21   0 0.00    M    M  2.7 21 290   M    M   0        37 270
 2  45  31  38   4  27   0 0.01    M    M  4.0 12 310   M    M   0        24 340
 3  40  27  34   0  31   0 0.01    M    M  1.7  7 130   M    M   0        12 120
 4  44  28  36   1  29   0 0.29    M    M  1.2 13 310   M    M   0        25 330
 5  51  23  37   2  28   0 0.00    M    M  2.6 12 280   M    M   0        22 280
 6  57  22  40   5  25   0 0.00    M    M  1.5  9 140   M    M   0        15 120
 7  62  27  45   9  20   0 0.00    M    M  3.0  8 220   M    M   0        28  99
 8  36  24  30  -6  35   0 0.05    M    M  7.1 13 290   M    M   0        28  99
 9  40  14  27  -9  38   0 0.00    M    M  2.9 12 280   M    M   0        18 250
10  41  18  30  -7  35   0 0.07    M    M  1.9  7 110   M    M   0        12 100
11  40  22  31  -6  34   0 0.01    M    M  2.0 10 280   M    M   0        16 270
12  51  24  38   1  27   0 0.00    M    M  1.8 10 280   M    M   0        18 310
13  59  27  43   5  22   0 0.00    M    M  3.2 10 240   M    M   0        24 240
14  50  30  40   2  25   0 0.05    M    M  1.4  5 110   M    M   0        16 270
15  52  30  41   3  24   0 0.01    M    M  1.4  5  99   M    M   0         M   M
16  60  27  44   5  21   0 0.06    M    M  1.8  7 100   M    M   0        11 130
17  62  29  46   7  19   0 0.00    M    M  2.1  7 100   M    M   0        20 320
18  64  29  47   8  18   0 0.00    M    M  2.7  9 270   M    M   0        22 270
19  60  29  45   5  20   0 0.03    M    M  2.3 13 280   M    M   0        34 270
20  54  30  42   2  23   0 0.13    M    M  2.1 12 310   M    M   0        19 330
21  49  31  40   0  25   0 0.11    M    M  2.0  8 120   M    M   0        20  70
22  57  27  42   2  23   0 0.07    M    M  1.7  7 130   M    M   0        24 140
23  41  32  37  -4  28   0 1.14    M    M  2.7  9 260   M    M   0        20 240
24  40  31  36  -5  29   0 0.34    M    M  4.3 15 260   M    M   0        30 270
25  52  31  42   1  23   0 0.29    M    M  1.6 12 270   M    M   0        26 260
26  43  30  37  -5  28   0 0.50    M    M  2.3 12 280   M    M   0        24 210
27  55  30  43   1  22   0 0.00    M    M  1.0 10 280   M    M   0        19 180
28  58  29  44   2  21   0 0.00    M    M  4.5 14 260   M    M   0        29 170
29  57  26  42   0  23   0 0.00    M    M  3.6 15 270   M    M   0        25 280
30  60  25  43   1  22   0 0.00    M    M  1.9  6 300   M    M   0        11 130
31  65  27  46   3  19   0 0.00    M    M  2.7 12 280   M    M   0        20 280
================================================================================
SM 1605  838       785   0  3.17    M     77.7          M        0
================================================================================
AV 51.8 27.0                               2.5 FASTST   M    M   0    MAX(MPH)
                                 MISC ---->    21 290                 37 270
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   LAKE YELLOWSTONE WY
                                          MONTH:     MAY
                                          YEAR:      2021
                                          LATITUDE:   44 32 N
                                          LONGITUDE: 110 25 W

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

AVERAGE MONTHLY: 39.4   TOTAL FOR MONTH:   3.17    1 = FOG OR MIST
DPTR FM NORMAL:   1.0   DPTR FM NORMAL:    0.82    2 = FOG REDUCING VISIBILITY
HIGHEST:    65 ON 31    GRTST 24HR  1.14 ON 23-23      TO 1/4 MILE OR LESS
LOWEST:     14 ON  9                               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:  17
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:  31    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   785    CLEAR  (SCALE 0-3)  31
DPTR FM NORMAL   -38    PTCLDY (SCALE 4-7)   0
TOTAL FM JUL 1 10278    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL -1195

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.38 ON  5
DPTR FM NORMAL     0    LOWEST  SLP 29.62 ON 20

[REMARKS]
#FINAL-05-21#