National Weather Service Weather Forecast Office

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

000
CXUS55 KMSO 010900
CF6BTM
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BUTTE MT
                                          MONTH:     MAY
                                          YEAR:      2021
                                          LATITUDE:   45 57 N
                                          LONGITUDE: 112 30 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  34  51   8  14   0    T    M    M  6.4 28 300   M    M   2        35 300
 2  50  31  41  -2  24   0    T    M    M  8.9 22 330   M    M   6        28 320
 3  55  22  39  -4  26   0    T    M    M  4.9 16 280   M    M   6        21 270
 4  55  34  45   1  20   0    T    M    M  8.0 26 330   M    M   7        32 330
 5  62  25  44   0  21   0 0.00    M    M  4.8 14 170   M    M   2        17 320
 6  76  31  54  10  11   0 0.00    M    M  6.3 22 170   M    M   0        27 160
 7  58  35  47   2  18   0 0.14    M    M  9.9 26 270   M    M   8 1      34 270
 8  39  29  34 -11  31   0    T    M    M 11.0 24 320   M    M   9 1      31 310
 9  45  23  34 -11  31   0    T    M    M  3.5 18  20   M    M   7        22  20
10  47  29  38  -8  27   0    T    M    M  4.8 17 310   M    M   9        22 290
11  55  22  39  -7  26   0    T    M    M  5.2 22 310   M    M   4        28 320
12  62  23  43  -3  22   0 0.00    M    M  3.9 13  40   M    M   2        17  10
13  66  36  51   4  14   0 0.01    M    M  7.1 16 330   M    M   3        21 320
14  65  33  49   2  16   0    T    M    M  5.0 24 270   M    M   2 8      33 270
15  66  40  53   5  12   0    T    M    M  5.9 18 330   M    M   4        24 330
16  71  32  52   4  13   0 0.00    M    M  5.5 15 140   M    M   0        19 120
17  78  32  55   7  10   0 0.00    M    M  5.9 18 320   M    M   1        24 260
18  72  39  56   8   9   0 0.00    M    M  9.2 23 310   M    M   1        32 300
19  48  31  40  -9  25   0 0.07    M    M  7.7 20 300   M    M   7        24 280
20  36  26  31 -18  34   0 0.40    M    M  6.1 13 270   M    M  10 1      21 290
21  30  23  27 -22  38   0 0.23    M    M  4.0 16 340   M    M  10 128    19 340
22  39  23  31 -19  34   0 0.01    M    M  9.2 23 150   M    M  10        29 150
23  42  32  37 -13  28   0 0.25    M    M  4.4 13 230   M    M  10 1      20 240
24  53  40  47  -3  18   0 0.00    M    M 10.5 24 240   M    M   9        35 230
25  61  34  48  -2  17   0 0.09    M    M  4.6 23 220   M    M   6        31 210
26  54  36  45  -6  20   0 0.05    M    M  8.1 21 300   M    M   6 1      26 300
27  68  29  49  -2  16   0 0.00    M    M  4.0 18 270   M    M   1        26 270
28  59  37  48  -3  17   0 0.00    M    M 11.0 25 280   M    M   2        35 290
29  62  26  44  -8  21   0 0.00    M    M  3.7 14 330   M    M   0        25 300
30  72  29  51  -1  14   0 0.00    M    M  4.2 17 140   M    M   0        20 140
31  74  34  54   2  11   0 0.00    M    M  5.2 20 330   M    M   0        24 340
================================================================================
SM 1787  950       638   0  1.25    M    198.9          M      144
================================================================================
AV 57.6 30.6                               6.4 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    28 300               # 35 300
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   BUTTE MT
                                          MONTH:     MAY
                                          YEAR:      2021
                                          LATITUDE:   45 57 N
                                          LONGITUDE: 112 30 W

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

AVERAGE MONTHLY: 44.1   TOTAL FOR MONTH:   1.25    1 = FOG OR MIST
DPTR FM NORMAL:  -3.5   DPTR FM NORMAL:   -0.77    2 = FOG REDUCING VISIBILITY
HIGHEST:    78 ON 17    GRTST 24HR  0.42 ON 20-21      TO 1/4 MILE OR LESS
LOWEST:     22 ON 11, 3                             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:   1    0.01 INCH OR MORE:   9
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:  19    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   638    CLEAR  (SCALE 0-3)  14
DPTR FM NORMAL   100    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1  8690    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL  -147

[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 29.65 ON 18

[REMARKS]
#FINAL-05-21#