000
CXUS55 KRIW 151018
CF6RIW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   RIVERTON WY
                                          MONTH:     APRIL
                                          YEAR:      2011
                                          LATITUDE:   43  2 N
                                          LONGITUDE: 108 27 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  67  43  55  15  10   0 0.00  0.0    0 17.5 33 310   M    M   1        45 310
 2  72  34  53  13  12   0 0.00  0.0    0 12.4 39 250   M    M   2        50 250
 3  46  26  36  -5  29   0    T    T    0 14.9 25 360   M    M   7        39  20
 4  53  18  36  -5  29   0 0.00  0.0    0 12.8 36 280   M    M   1        43 290
 5  65  30  48   7  17   0 0.00  0.0    0 13.2 30 250   M    M   1        44 240
 6  56  29  43   2  22   0 0.00  0.0    0 11.4 23 220   M    M   0        36 220
 7  57  35  46   4  19   0 0.05  0.0    0 14.4 37 230   M    M   4 3      50 230
 8  58  32  45   3  20   0    T  0.0    0 11.8 31 210   M    M   6        44 150
 9  55  29  42   0  23   0    T  0.0    0  6.1 16  30   M    M   2        28  20
10  51  32  42  -1  23   0 0.05  1.2    T 12.1 23 320   M    M   6 1      33 310
11  61  29  45   2  20   0 0.00  0.0    0  9.2 16 260   M    M   0        24 270
12  56  37  47   4  18   0 0.00  0.0    0  7.8 20  40   M    M   4        28  40
13  58  37  48   5  17   0 0.07  0.2    0  8.4 15  70   M    M   7 13     32  80
14  48  35  42  -2  23   0    T  0.0    0 15.2 29 320   M    M   6        38 340
15  54  27  41  -3  24   0 0.00  0.0    0 13.5 22 280   M    M   1        33 300
16  63  32  48   4  17   0    T  0.0    0 11.0 23 300   M    M   2        32 300
17  64  35  50   6  15   0    T  0.0    0  9.9 25 270   M    M   1        41 280
18  53  34  44  -1  21   0 0.00  0.0    0  9.4 15  60   M    M   1        20  70
19  46  26  36  -9  29   0 0.00  0.0    0  8.3 17  30   M    M   1        32 340
20  55  17  36  -9  29   0 0.00  0.0    0  5.2  9 190   M    M   0         M  M
21  57  34  46   0  19   0    T  0.0    0  8.1 25 220   M    M   2        40 250
22  46  23  35 -11  30   0 0.00  0.0    0 24.0 37 300   M    M   0        51 290
23  48  19  34 -12  31   0 0.00  0.0    0  4.3  9 280   M    M   0        16  99
24  55  22  39  -8  26   0 0.00  0.0    0  5.2 10 310   M    M   0         M  M
25  58  32  45  -2  20   0 0.00  0.0    0 11.9 16 310   M    M   1        30 310
26  50  31  41  -6  24   0 0.19  2.2    2 14.3 23 320   M    M   5 1      39 320
27  54  25  40  -7  25   0 0.00  0.0    0 11.8 27 320   M    M   3        40 310
28  65  28  47  -1  18   0    T  0.0    0 11.6 28 250   M    M   1        40 260
29  45  27  36 -12  29   0 0.06  0.6    0 14.7 22 310   M    M   7 12     35 310
30  48  28  38 -10  27   0    T    T    T 13.2 24 300   M    M   2        41 360
================================================================================
SM 1664  886       666   0  0.42     4.2 343.6          M       74
================================================================================
AV 55.5 29.5                              11.5 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->    39   M                 51    M
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  RIVERTON WY
                                          MONTH:    APRIL
                                          YEAR:     2011
                                          LATITUDE:   43  2 N
                                          LONGITUDE: 108 27 W

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

AVERAGE MONTHLY: 42.5   TOTAL FOR MONTH:   0.42    1 = FOG OR MIST
DPTR FM NORMAL:  -1.6   DPTR FM NORMAL:   -0.59    2 = FOG REDUCING VISIBILITY
HIGHEST:    72 ON  2    GRTST 24HR  0.19 ON 26-26      TO 1/4 MILE OR LESS
LOWEST:     17 ON 20                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   4.2 INCHES  5 = HAIL
                        GRTST 24HR   2.2 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   2 ON 26     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:   5
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:  21    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   666    CLEAR  (SCALE 0-3)  21
DPTR FM NORMAL    40    PTCLDY (SCALE 4-7)   9
TOTAL FM JUL 1  7082    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL  -805

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

[REMARKS]
#FINAL-04-11#