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 121512
CF6RST
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCHESTER
                                          MONTH:     MAY
                                          YEAR:      2007
                                          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  69  46  58   7   7   0 0.00  0.0    0 12.8 23 340   M    M   0 18     26 340
 2  66  42  54   2  11   0 0.00  0.0    0 10.8 18 130   M    M   0        28  90
 3  70  42  56   4   9   0 0.00  0.0    0 15.5 23 130   M    M   3        28 140
 4  58  52  55   2  10   0 0.07  0.0    0 17.1 25 130   M    M   8 8      31 130
 5  68  55  62   9   3   0 0.00  0.0    0 21.0 33 130   M    M   5 18     39 120
 6  66  53  60   7   5   0    T  0.0    0 23.4 38 170   M    M   3        48 170
 7  74  52  63   9   2   0 0.05  0.0    0 12.8 22 180   M    M   6 18     29 170
 8  77  54  66  12   0   1    T  0.0    0  7.3 17 250   M    M   4 12     23 260
 9  79  51  65  11   0   0 0.00  0.0    0  5.1 13 350   M    M   1 138    15 290
10  87  54  71  16   0   6 0.00  0.0    0  9.6 18 300   M    M   0 8      25 310
11  73  52  63   8   2   0 0.00  0.0    0 11.8 21  30   M    M   0 8      23  60
12  71  46  59   3   6   0 0.03  0.0    0  9.9 18 150   M    M   3        22 150
13  83  48  66  10   0   1 0.03  0.0    0 22.5 33 200   M    M   1        40 180
14  94  66  80  24   0  15    T  0.0    0 23.8 40 240   M    M   1 8      46 250
15  67  44  56  -1   9   0    T  0.0    0 15.8 25 340   M    M   7        32 340
16  65  38  52  -5  13   0 0.00  0.0    0 13.5 29 350   M    M   1 18     36 330
17  68  37  53  -4  12   0 0.00  0.0    0  6.3 15 180   M    M   0 8      17 190
18  80  45  63   5   2   0 0.00  0.0    0 20.3 32 240   M    M   1 8      38 230
19  85  57  71  13   0   6 0.02  0.0    0 14.1 26 240   M    M   2 38     30 240
20  63  47  55  -3  10   0    T  0.0    0 12.4 20 150   M    M   4 18     23 150
21  84  52  68   9   0   3 0.14  0.0    0 15.5 25 210   M    M   1 138    33 180
22  81  61  71  12   0   6 0.27  0.0    0 18.3 35 220   M    M   1 38     44 220
23  81  63  72  13   0   7 0.69  0.0    0 19.4 38 260   M    M   3 138    45 260
24  63  46  55  -5  10   0 0.86  0.0    0 10.4 29 310   M    M   7 13     32 310
25  67  43  55  -5  10   0 0.00  0.0    0  5.6 12 150   M    M   0        14 130
26  72  48  60  -1   5   0 0.01  0.0    0 14.3 25 290   M    M   4 18     32 270
27  70  44  57  -4   8   0 0.00  0.0    0 12.5 22 310   M    M   1        26 310
28  79  50  65   4   0   0 0.00  0.0    0 14.6 24 180   M    M   3 8      30 190
29  87  65  76  14   0  11 0.03  0.0    0 17.1 35 220   M    M   2 18     40 220
30  81  64  73  11   0   8 1.07  0.0    0    M  M   M   M    M   4 18      M  M
31  74  59  67   5   0   2 0.08  0.0    0  4.4 16 290   M    M   2 1      20 290
================================================================================
SM 2302 1576       134  66  3.35     0.0 417.9          M       78
================================================================================
AV 74.3 50.8                              13.9 FASTST  PSBL  %   3    MAX(MPH)
                                 MISC ---->  # 40 240               # 48  170
================================================================================
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:     2007
                                          LATITUDE:   43 55 N
                                          LONGITUDE:  92 30 W

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

AVERAGE MONTHLY: 62.5   TOTAL FOR MONTH:   3.35    1 = FOG OR MIST
DPTR FM NORMAL:   5.6   DPTR FM NORMAL:   -0.18    2 = FOG REDUCING VISIBILITY
HIGHEST:    94 ON 14    GRTST 24HR  1.55 ON 23-24      TO 1/4 MILE OR LESS
LOWEST:     37 ON 17                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR     0.0         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:  13
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   134    CLEAR  (SCALE 0-3)  20
DPTR FM NORMAL  -147    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  7416    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL  -827

[CDD (BASE 65) ]
TOTAL THIS MO.    66
DPTR FM NORMAL    36    [PRESSURE DATA]
TOTAL FM JAN 1    73    HIGHEST SLP M ON M
DPTR FM NORMAL    42    LOWEST  SLP 29.66 ON 14

[REMARKS]
#FINAL-05-07#