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:     APRIL
                                          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  47  38  43   5  22   0    T  0.0    0 21.1 32 290   M    M  10 1      39 290
 2  48  35  42   3  23   0    T  0.0    0  9.8 18 330   M    M   5        21 320
 3  45  22  34  -5  31   0 0.02    T    0 19.6 37 320   M    M  10 12     43 310
 4  28  16  22 -18  43   0    T    T    0 24.4 35 330   M    M   9        41 340
 5  33  18  26 -14  39   0 0.00  0.0    0 17.1 25 340   M    M   2        33 330
 6  28  17  23 -17  42   0 0.00  0.0    0 22.4 32 340   M    M   1        38 340
 7  35  15  25 -16  40   0 0.00  0.0    0 17.3 26 320   M    M   1        35 340
 8  40  19  30 -11  35   0 0.00  0.0    0  8.7 15 330   M    M   1        18 330
 9  41  19  30 -12  35   0 0.00  0.0    0  5.4 12 310   M    M   0        15 310
10  41  26  34  -8  31   0 0.16  1.7    0 13.8 25 140   M    M   4 18     30 150
11  34  29  32 -11  33   0 0.41  5.7    2 19.8 29  50   M    M  10 12     37  70
12  39  28  34  -9  31   0    T    T    7 16.4 23 310   M    M   5 1      26 300
13  47  26  37  -7  28   0 0.00  0.0    2  9.6 15 250   M    M   0        21 260
14  53  30  42  -2  23   0 0.00  0.0    0  6.3 12 240   M    M   2 18     14 290
15  59  34  47   2  18   0 0.00  0.0    0  8.2 16 330   M    M   0 18     20 330
16  71  34  53   8  12   0 0.00  0.0    0 11.1 18 220   M    M   1        24 210
17  65  43  54   9  11   0 0.00  0.0    0 15.8 22  30   M    M   0        25  50
18  62  36  49   3  16   0 0.00  0.0    0  9.6 21  50   M    M   0        26  40
19  61  36  49   3  16   0 0.00  0.0    0 11.1 22 160   M    M   2        25 180
20  70  41  56   9   9   0 0.00  0.0    0 13.4 23 160   M    M   1 8      26 180
21  81  52  67  20   0   2 0.00  0.0    0 20.2 36 200   M    M   1        46 200
22  79  53  66  18   0   1 0.35  0.0    0 15.1 31 200   M    M   3 18     38 190
23  66  50  58  10   7   0 0.00  0.0    0 12.4 23 360   M    M   4 1      30 350
24  54  47  51   3  14   0 0.06  0.0    0  9.4 16 130   M    M   4 1      20 120
25  55  42  49   0  16   0 0.05  0.0    0 12.2 21 120   M    M   1        26 120
26  55  41  48  -1  17   0    T  0.0    0 11.1 24  40   M    M   9        26  40
27  75  41  58   8   7   0 0.00  0.0    0  8.0 17 320   M    M   2        22 300
28  76  46  61  11   4   0 0.00  0.0    0 11.3 23 330   M    M   0        32 290
29  88  50  69  18   0   4 0.00  0.0    0 12.7 23 280   M    M   1        29 250
30  72  52  62  11   3   0 0.06  0.0    0 14.9 26 140   M    M   1 8      35 140
================================================================================
SM 1648 1036       606   7  1.11     7.4 408.2          M       90
================================================================================
AV 54.9 34.5                              13.6 FASTST  PSBL  %   3    MAX(MPH)
                                 MISC ---->  # 37 320               # 46  200
================================================================================
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:    APRIL
                                          YEAR:     2007
                                          LATITUDE:   43 55 N
                                          LONGITUDE:  92 30 W

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

AVERAGE MONTHLY: 44.7   TOTAL FOR MONTH:   1.11    1 = FOG OR MIST
DPTR FM NORMAL:   0.0   DPTR FM NORMAL:   -1.90    2 = FOG REDUCING VISIBILITY
HIGHEST:    88 ON 29    GRTST 24HR  0.85 ON 31- 1      TO 1/4 MILE OR LESS
LOWEST:     15 ON  7                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   7.4 INCHES  5 = HAIL
                        GRTST 24HR   5.7 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   7 ON 12     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:   2    0.01 INCH OR MORE:   7
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:  12    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   606    CLEAR  (SCALE 0-3)  20
DPTR FM NORMAL    -3    PTCLDY (SCALE 4-7)   5
TOTAL FM JUL 1  7282    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL  -680

[CDD (BASE 65) ]
TOTAL THIS MO.     7
DPTR FM NORMAL     6    [PRESSURE DATA]
TOTAL FM JAN 1     7    HIGHEST SLP 30.39 ON  5
DPTR FM NORMAL     6    LOWEST  SLP 29.37 ON  1

[REMARKS]
#FINAL-04-07#