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000
CXUS55 KBYZ 011000
CF6BIL
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BILLINGS MT
                                          MONTH:     APRIL
                                          YEAR:      2021
                                          LATITUDE:   45 47 N
                                          LONGITUDE: 108 32 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  73  37  55  13  10   0 0.00  0.0    0 16.1 25 240   M    M   2        34 220
 2  71  43  57  15   8   0 0.00  0.0    0  7.5 18 240   M    M   3        22 240
 3  76  43  60  18   5   0 0.00  0.0    0  9.3 20 230   M    M   5 8      25 210
 4  77  41  59  16   6   0 0.00  0.0    0 10.2 18  70   M    M   5        24  60
 5  59  42  51   8  14   0 0.00  0.0    0 13.1 20  60   M    M   8        28  60
 6  44  33  39  -4  26   0 0.12    T    0  9.0 18 240   M    M   8 1      28  30
 7  64  36  50   6  15   0 0.00  0.0    0 17.9 25 240   M    M   1        29 240
 8  64  35  50   6  15   0 0.07    T    0 15.8 37 330   M    M   7        44 330
 9  55  29  42  -2  23   0    T    T    0 11.7 23 310   M    M   3        30 300
10  68  32  50   6  15   0 0.09  0.9    0 17.3 41 330   M    M   5 1      50 350
11  46  25  36  -9  29   0    T    T    T 16.0 32 310   M    M   7 1      41 320
12  43  24  34 -11  31   0    T    T    0 10.3 23 340   M    M   7        28 340
13  37  23  30 -15  35   0    T    T    0  9.3 21  30   M    M   8        25  30
14  34  26  30 -16  35   0    T    T    0  7.6 16  70   M    M  10 168    20  60
15  36  27  32 -14  33   0 0.06  0.3    0  6.3 13  40   M    M  10 18     15  50
16  51  32  42  -4  23   0 0.02    T    T  5.9 16 240   M    M   8 1      20  60
17  62  34  48   2  17   0 0.00  0.0    0  9.9 17 240   M    M   3        23 360
18  61  27  44  -3  21   0 0.23  1.1    0 15.4 30  60   M    M   7 1      38  70
19  38  25  32 -15  33   0 0.07  1.7    2 11.0 26 320   M    M   8 189    34 320
20  43  25  34 -13  31   0    T    T    0 10.3 21 310   M    M   6        25 320
21  51  23  37 -11  28   0 0.00  0.0    0  8.3 15 140   M    M   1        19 140
22  63  31  47  -1  18   0 0.08  0.3    0 15.0 31 320   M    M   4 1      39 340
23  38  28  33 -15  32   0 0.08  0.7    1  8.1 17  40   M    M   9 1      20  40
24  56  27  42  -7  23   0    T  0.0    0  7.4 17  60   M    M   8        21  60
25  55  37  46  -3  19   0 0.43  0.0    0  5.8 15 350   M    M   9 1      20 340
26  53  40  47  -2  18   0    T  0.0    0  4.6 14 130   M    M   9 1      17  80
27  64  35  50   0  15   0 0.00  0.0    0  5.8 17 240   M    M   4        19 240
28  69  41  55   5  10   0 0.00  0.0    0 12.1 25 310   M    M   4        30 310
29  76  47  62  12   3   0 0.00  0.0    0 12.5 28 280   M    M   5        34 290
30  84  53  69  18   0   4 0.00  0.0    0 10.9 25 230   M    M   7        33 220
================================================================================
SM 1711 1001       591   4  1.25  5.0    320.4          M      181
================================================================================
AV 57.0 33.4                              10.7 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->    41 330                 50 350
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   BILLINGS MT
                                          MONTH:     APRIL
                                          YEAR:      2021
                                          LATITUDE:   45 47 N
                                          LONGITUDE: 108 32 W

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

AVERAGE MONTHLY: 45.2   TOTAL FOR MONTH:   1.25    1 = FOG OR MIST
DPTR FM NORMAL:  -1.0   DPTR FM NORMAL:   -0.41    2 = FOG REDUCING VISIBILITY
HIGHEST:    84 ON 30    GRTST 24HR  0.43 ON 25-25      TO 1/4 MILE OR LESS
LOWEST:     23 ON 21,13                             3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   5.0 INCHES  5 = HAIL
                        GRTST 24HR   1.7 ON 19-19  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   2 ON 19     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:  10
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:  15    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   591    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL    24    PTCLDY (SCALE 4-7)  19
TOTAL FM JUL 1  6149    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL  -223

[CDD (BASE 65) ]
TOTAL THIS MO.     4
DPTR FM NORMAL     3    [PRESSURE DATA]
TOTAL FM JAN 1     4    HIGHEST SLP 30.51 ON 13
DPTR FM NORMAL     3    LOWEST  SLP 29.45 ON 10

[REMARKS]
#FINAL-04-21#