WFO Monthly/Daily Climate Data
Issued by NWS Pocatello, ID

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CXUS55 KPIH 020139
CF6LLJ

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

                                          STATION:   CHALLIS ID
                                          MONTH:     MAY
                                          YEAR:      2020
                                          LATITUDE:   44 31 N
                                          LONGITUDE: 114 13 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   M   M   M   M   M   M    M    M    M   M   M   M   M    M   M         M  M
 2   M   M   M   M   M   M    M    M    M   M   M   M   M    M   M         M  M
 3   M   M   M   M   M   M    M    M    M   M   M   M   M    M   M         M  M
 4   M   M   M   M   M   M    M    M    M   M   M   M   M    M   M         M  M
 5   M   M   M   M   M   M    M    M    M   M   M   M   M    M   M         M  M
 6   M   M   M   M   M   M    M    M    M   M   M   M   M    M   M         M  M
 7   M   M   M   M   M   M    M    M    M   M   M   M   M    M   M         M  M
 8   M   M   M   M   M   M    M    M    M   M   M   M   M    M   M         M  M
 9  74  32  53   3  12   0 0.00    M    M  3.6 14 360   M    M   0        17 320
10  78  38  58   8   7   0 0.00    M    M  3.1 13  30   M    M   0        17  30
11  75  49  62  11   3   0 0.04    M    M  7.4 32 250   M    M   2 8      46 250
12  64  42  53   2  12   0    T    M    M  8.8 29 280   M    M   5 8      39 250
13  58  40  49  -2  16   0    T    M    M  5.6 28 250   M    M   9        35 240
14  60  36  48  -4  17   0 0.09    M    M  3.6 23 230   M    M   6 8      28 230
15  56  34  45  -7  20   0 0.14    M    M  4.3 20 330   M    M   4        25 340
16  64  33  49  -3  16   0 0.00    M    M  2.9 16 150   M    M   1        21 150
17  71  44  58   6   7   0 0.01    M    M  4.9 22 250   M    M   7        28 200
18  76  46  61   8   4   0 0.30    M    M  7.5 36 240   M    M   7 138    47 240
19  56  42  49  -4  16   0 0.27    M    M  4.2 14 130   M    M   9        31 290
20  58  43  51  -2  14   0 0.09    M    M  6.6 26 260   M    M   8        32 260
21  59  40  50  -4  15   0 0.00    M    M  9.2 24 210   M    M   6 8      29 210
22  54  35  45  -9  20   0    T    M    M  7.1 20 350   M    M   7        23 350
23  55  35  45  -9  20   0 0.00    M    M  8.4 17  20   M    M   7        24  10
24  65  32  49  -5  16   0 0.00    M    M  3.8 13  40   M    M   3        16  30
25  75  37  56   1   9   0    T    M    M  4.6 20 280   M    M   3        25 280
26  72  52  62   7   3   0 0.00    M    M  5.0 21 320   M    M   8        24 310
27  80  45  63   8   2   0 0.00    M    M  4.4 14 330   M    M   0        19 340
28  88  45  67  12   0   2 0.00    M    M  3.9 14 280   M    M   0        19 280
29  91  54  73  17   0   8 0.00    M    M  4.7 14  10   M    M   1        16  10
30  91  51  71  15   0   6    T    M    M  6.7 43 200   M    M   0 8      61 200
31  81  55  68  12   0   3 0.00    M    M  9.7 24 260   M    M   1        29 260
================================================================================
SM 1601  960       229  19  0.94    M    130.0          M       94
================================================================================
AV 69.6 41.7                               5.7 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 43 200               # 61  200
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
PRECIPITATION SUSPECT DURING FREEZING/FROZEN EVENTS.

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  CHALLIS ID
                                          MONTH:    MAY
                                          YEAR:     2020
                                          LATITUDE:   44 31 N
                                          LONGITUDE: 114 13 W

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

AVERAGE MONTHLY: 55.7   TOTAL FOR MONTH:   0.94    1 = FOG OR MIST
DPTR FM NORMAL:   3.7   DPTR FM NORMAL:   -0.54    2 = FOG REDUCING VISIBILITY
HIGHEST:    91 ON 30,29 GRTST 24HR  0.30 ON 18-18      TO 1/4 MILE OR LESS
LOWEST:     32 ON 24, 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:   7
MAX 90 OR ABOVE:   2    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:   2    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   229    CLEAR  (SCALE 0-3)  11
DPTR FM NORMAL  -176    PTCLDY (SCALE 4-7)   9
TOTAL FM JUL 1  7573    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL  -423

[CDD (BASE 65) ]
TOTAL THIS MO.    19
DPTR FM NORMAL    17    [PRESSURE DATA]
TOTAL FM JAN 1    19    HIGHEST SLP 30.25 ON  9
DPTR FM NORMAL    17    LOWEST  SLP 29.49 ON 18

[REMARKS]
1ST-8TH: AIRPORT UNDER MAINTENANCE. ASOS POWER TURNED OFF.
30TH: HIGH OF 91 BREAKS OLD RECORD OF 90 SET IN 2003.

#FINAL-05-20#