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 MN
                                          MONTH:     JANUARY
                                          YEAR:      2009
                                          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
                                     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  27  13  20   8  45   0    T    T   10 18.3 31 310   M    M   1 8      40 310
 2  19   3  11  -1  54   0    T    T    9  9.8 32 280   M    M   3        38 280
 3  28  10  19   7  46   0 0.09  0.5    8 15.2 28 120   M    M   6 168    35 120
 4  26   0  13   1  52   0    T    T    7 16.5 29 300   M    M   3 19     35 300
 5  27   2  15   3  50   0 0.00  0.0    7 15.0 23 220   M    M   0        28 180
 6  25  11  18   6  47   0 0.00  0.0    7 10.1 18 170   M    M   0 1      23 160
 7  16   2   9  -3  56   0    T    T    6 16.7 24 300   M    M   8 189    29 300
 8  13  -2   6  -5  59   0 0.00  0.0    6  8.8 18 310   M    M   1        22 310
 9  17  13  15   4  50   0 0.16  2.2    8 13.0 18  60   M    M   9 18     22  50
10  16   3  10  -1  55   0 0.00  0.0    9  7.2 13 360   M    M   0        15  10
11  19   2  11   0  54   0 0.02  0.3    9  9.6 20 300   M    M   8 18     22 310
12  19   0  10  -1  55   0 0.27  5.0    9 13.8 30 340   M    M   7 1289   36 340
13   2 -18  -8 -19  73   0 0.04  0.4   14 10.7 26 340   M    M   3 8      32 330
14  -2 -19 -10 -21  75   0 0.02  0.7   15 15.5 24 320   M    M   4 8      26 330
15  -7 -24 -15 -26  80   0 0.00  0.0   15 12.8 18 290   M    M   0 8      21 290
16   8 -26  -9 -20  74   0    T    T   14 11.9 22 170   M    M   4 8      26 180
17  22   7  15   4  50   0    T    T   14 18.6 30 310   M    M   8 189    37 320
18  26   6  16   5  49   0 0.04  0.7   14  8.9 21  10   M    M   9 18     25  10
19  19   2  11   0  54   0    T    T   14  9.2 16 340   M    M   5 8      18 340
20  18   5  12   0  53   0    T    T   14  8.5 14 190   M    M   0 18     17 210
21  20  12  16   4  49   0 0.00  0.0   14  7.5 17 210   M    M   4 128    21 220
22  27   6  17   5  48   0 0.00  0.0   13  5.1 12 250   M    M   1 128    13 250
23  20  -5   8  -4  57   0    T    T   13 21.9 31 320   M    M   5 189    37 320
24   0 -13  -6 -18  71   0 0.00  0.0   13 11.4 21 320   M    M   0        23 330
25   9  -4   3  -9  62   0 0.00  0.0   12  9.3 16 290   M    M   1 8      18 290
26   8  -3   3  -9  62   0 0.00  0.0   12  8.1 16 330   M    M   1        18 330
27  10  -6   2 -11  63   0 0.00  0.0   12  5.0 10 240   M    M   1 18     12 230
28  24  -7   9  -4  56   0    T    T   12 11.0 22 200   M    M   2 18     26 200
29  25   3  14   1  51   0    T    T   12 17.4 26 300   M    M   7 18     32 300
30  21  -7   7  -6  58   0    T    T   11  8.9 17 210   M    M   3 1      21 220
31  39  21  30  16  35   0 0.00  0.0   11 17.3 26 290   M    M   2 18     32 290
================================================================================
SM  541  -13      1743   0  0.64     9.8 373.0          M      106
================================================================================
AV 17.5 -0.4                              12.0 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->  # 32 280               # 40  310
================================================================================
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 MN
                                          MONTH:    JANUARY
                                          YEAR:     2009
                                          LATITUDE:   43 55 N
                                          LONGITUDE:  92 30 W

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

AVERAGE MONTHLY:  8.5   TOTAL FOR MONTH:   0.64    1 = FOG OR MIST
DPTR FM NORMAL:  -3.3   DPTR FM NORMAL:   -0.30    2 = FOG REDUCING VISIBILITY
HIGHEST:    39 ON 31    GRTST 24HR  0.27 ON 12-12      TO 1/4 MILE OR LESS
LOWEST:    -26 ON 16                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   9.8 INCHES  5 = HAIL
                        GRTST 24HR   5.0 ON 12-12  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  15 ON 15,14  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:  30    0.01 INCH OR MORE:   7
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:  31    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:  14    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1743    CLEAR  (SCALE 0-3)  18
DPTR FM NORMAL    93    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1  4869    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL  -113

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.79 ON 15
DPTR FM NORMAL     0    LOWEST  SLP 29.41 ON  7

[REMARKS]
#FINAL-01-09#