Explanation of the Preliminary Monthly Climate Data (F6) Product

These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified climate data can be accessed at the NCDC - http://www.ncdc.noaa.gov.

WFO Monthly/Daily Climate Data


000
CXUS53 KARX 010930
CF6RST
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCHESTER
                                          MONTH:     MAY
                                          YEAR:      2008
                                          LATITUDE:   43 55 N
                                          LONGITUDE:  92 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
                                          AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  64  45  55   4  10   0 0.18  0.0    0 16.4 18 100   M    M   2 8      31 120
 2  61  43  52   0  13   0 0.64  0.0    0 12.0 24 320   M    M  10 138    29 320
 3  54  36  45  -7  20   0 0.07    T    0 19.3 30 330   M    M   3 1      37 340
 4  68  36  52  -1  13   0 0.00  0.0    0 15.7 28 230   M    M   1        35 210
 5  71  43  57   4   8   0 0.00  0.0    0  6.4 14 240   M    M   0        16 360
 6  80  51  66  13   0   1 0.48  0.0    0 12.3 31 320   M    M   1 13     36 320
 7  64  52  58   4   7   0 0.00  0.0    0 12.7 25  20   M    M   3 18     36 170
 8  67  43  55   1  10   0    T  0.0    0  5.6 17 340   M    M   2        20 340
 9  64  47  56   2   9   0    T  0.0    0  6.3 15  50   M    M   3        20 330
10  59  44  52  -3  13   0 0.27  0.0    0 10.3 24 160   M    M   6 1      32 170
11  57  40  49  -6  16   0    T  0.0    0 16.6 30 350   M    M   4 18     37 350
12  65  36  51  -5  14   0 0.00  0.0    0 14.0 22 150   M    M   0        31 150
13  63  47  55  -1  10   0 0.01  0.0    0 15.5 22 180   M    M   6 1      28 180
14  65  43  54  -2  11   0 0.00  0.0    0  9.6 21 360   M    M   2        25 340
15  71  41  56  -1   9   0 0.00  0.0    0  5.7 18 210   M    M   0 8      23 210
16  77  47  62   5   3   0 0.04  0.0    0 14.0 33 290   M    M   1 38     40 290
17  74  48  61   4   4   0    T  0.0    0 14.2 39 330   M    M   1        51 360
18  62  42  52  -6  13   0 0.00  0.0    0 12.2 23 320   M    M   0        29 320
19  63  44  54  -4  11   0 0.02  0.0    0  6.2 16  60   M    M   5        21  80
20  66  39  53  -5  12   0 0.00  0.0    0 14.1 29 320   M    M   2 1      33 320
21  66  40  53  -6  12   0 0.00  0.0    0  7.0 18 320   M    M   0        24  10
22  72  46  59   0   6   0 0.00  0.0    0  6.4 16  60   M    M   0        23 120
23  68  47  58  -1   7   0 0.00  0.0    0 11.5 21  50   M    M   0        32  60
24  73  43  58  -2   7   0 0.00  0.0    0 17.3 31 120   M    M   1 3      39 120
25  82  58  70  10   0   5 0.02  0.0    0 15.0 26 170   M    M   3 38     33 170
26  76  49  63   2   2   0 0.00  0.0    0 14.7 24  20   M    M   2        30 310
27  57  42  50 -11  15   0 0.00  0.0    0 12.6 22  20   M    M   2        25  60
28  69  44  57  -4   8   0    T  0.0    0  6.6 14 150   M    M   2        17 150
29  58  48  53  -9  12   0 1.55  0.0    0 14.4 29 150   M    M   7 138    33 150
30  75  57  66   4   0   1 0.17  0.0    0 13.8 24 340   M    M   4 18     31 230
31  76  55  66   4   0   1 0.02  0.0    0 10.2 22 310   M    M   3 138    26 320
================================================================================
SM 2087 1396       275   8  3.47    T    368.6          M       76
================================================================================
AV 67.3 45.0                              11.9 FASTST  PSBL  %   2    MAX(MPH)
                                 MISC ---->  # 39 330               # 51  360
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  ROCHESTER
                                          MONTH:    MAY
                                          YEAR:     2008
                                          LATITUDE:   43 55 N
                                          LONGITUDE:  92 30 W

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

AVERAGE MONTHLY: 56.2   TOTAL FOR MONTH:   3.47    1 = FOG OR MIST
DPTR FM NORMAL:  -0.7   DPTR FM NORMAL:   -0.06    2 = FOG REDUCING VISIBILITY
HIGHEST:    82 ON 25    GRTST 24HR  1.56 ON 29-30      TO 1/4 MILE OR LESS
LOWEST:     36 ON 12, 4                            3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:    T          5 = HAIL
                        GRTST 24HR    T  ON  3- 3  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   0           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:  12
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   275    CLEAR  (SCALE 0-3)  24
DPTR FM NORMAL    -6    PTCLDY (SCALE 4-7)   6
TOTAL FM JUL 1  8001    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL  -242

[CDD (BASE 65) ]
TOTAL THIS MO.     8
DPTR FM NORMAL   -22    [PRESSURE DATA]
TOTAL FM JAN 1     8    HIGHEST SLP 30.46 ON 28
DPTR FM NORMAL   -23    LOWEST  SLP 29.27 ON  2

[REMARKS]
#FINAL-05-08#