Climatological Report (Monthly)
Issued by NWS Austin/San Antonio, TX

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000
CXUS54 KEWX 021134
CLMDRT

CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
915 AM CDT TUE MAY 1 2018

................................................................

THE DEL RIO CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1906 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            98   04/13                         93  04/04
LOWEST             43   04/08                         45  04/06
AVG. MAXIMUM     84.6              83.6     1.0     83.6
AVG. MINIMUM     58.8              59.6    -0.8     60.4
MEAN             71.7              71.6     0.1     72.0
DAYS MAX >= 90      9                                  5
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           0.01              1.65   -1.64     5.64
DAILY AVG.       0.00              0.05   -0.05     0.19
DAYS >= .01         1                                  6
DAYS >= .10         0                                  2
DAYS >= .50         0                                  1
DAYS >= 1.00        0                                  1
GREATEST
 24 HR. TOTAL    0.01   04/02 TO 04/02

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1           T               1.2    -1.2      0.0

DEGREE_DAYS
HEATING TOTAL       7                25     -18       10
 SINCE 7/1       1270              1375    -105      840
COOLING TOTAL     215               223      -8      223
 SINCE 1/1        401               329      72      440
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.0
HIGHEST WIND SPEED/DIRECTION    31/340    DATE  04/25
HIGHEST GUST SPEED/DIRECTION    40/320    DATE  04/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     52

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0    MIXED PRECIP             0
HEAVY RAIN                0    RAIN                     0
LIGHT RAIN                5    FREEZING RAIN            0
LT FREEZING RAIN          0    HAIL                     0
HEAVY SNOW                0    SNOW                     0
LIGHT SNOW                0    SLEET                    0
FOG                       1    FOG W/VIS <= 1/4 MILE    0
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

MONTHLY CLIMATE SUMMARY:
APRIL 2018 WAS THE 45TH WARMEST AND TIED FOR THE 2ND DRIEST
APRIL SINCE RECORD KEEPING BEGAN.

SEA LEVEL PRESSURE DATA:
HIGHEST SLP 30.32 ON THE 10TH
LOWEST SLP 29.46 ON THE 13TH

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

                                          STATION:   DEL RIO
                                          MONTH:     APRIL
                                          YEAR:      2018
                                          LATITUDE:   29 22 N
                                          LONGITUDE: 100 55 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  85  61  73   5   0   8 0.00  0.0    0 10.2 17 100   M    M   2        23  80
 2  85  67  76   8   0  11 0.01  0.0    0  8.8 16 100   M    M   6 1      28  60
 3  90  68  79  10   0  14 0.00  0.0    0  6.9 22  40   M    M   3        36  30
 4  76  56  66  -3   0   1 0.00  0.0    0  9.5 20 150   M    M   7        27 160
 5  84  54  69   0   0   4 0.00  0.0    0 11.1 22 160   M    M   2        32 160
 6  91  65  78   9   0  13 0.00  0.0    0  7.5 16 140   M    M   2        21 130
 7  71  50  61  -9   4   0 0.00  0.0    0 12.3 23 330   M    M   2        33 330
 8  82  43  63  -7   2   0 0.00  0.0    0 11.0 18 120   M    M   0        24 120
 9  73  54  64  -6   1   0    T  0.0    0  6.6 15  60   M    M   5        21  50
10  80  56  68  -2   0   3 0.00  0.0    0  7.0 18 150   M    M   2        26 180
11  86  56  71   1   0   6 0.00  0.0    0 13.8 26 160   M    M   1        34 160
12  94  61  78   7   0  13 0.00  0.0    0 12.1 22 150   M    M   1        28 160
13  98  70  84  13   0  19 0.00  0.0    0 11.5 29 330   M    M   4 8      40 320
14  76  54  65  -6   0   0 0.00  0.0    0 10.1 21 280   M    M   0        29 300
15  87  44  66  -6   0   1 0.00  0.0    0  6.7 18 160   M    M   0        25 160
16  90  52  71  -1   0   6 0.00  0.0    0 11.6 28 160   M    M   0        35 150
17  94  59  77   5   0  12 0.00  0.0    0 11.3 17 150   M    M   0        22 100
18  93  64  79   7   0  14 0.00  0.0    0  8.8 15 350   M    M   2        23  10
19  78  56  67  -5   0   2 0.00  0.0    0  8.7 20 160   M    M   5        24 150
20  69  62  66  -7   0   1 0.00  0.0    0 13.4 23 110   M    M   8        34 110
21  91  64  78   5   0  13    T  0.0    0  8.3 24 130   M    M   4        34 130
22  84  56  70  -3   0   5 0.00  0.0    0  4.8 14 340   M    M   0        20  40
23  88  61  75   2   0  10 0.00  0.0    0  9.6 20 150   M    M   0        23 140
24  95  63  79   5   0  14 0.00  0.0    0 10.9 22 150   M    M   0        29 140
25  78  59  69  -5   0   4    T  0.0    0 12.7 31 340   M    M   7 8      39 350
26  84  58  71  -3   0   6 0.00  0.0    0  8.5 17 160   M    M   3        22 100
27  82  61  72  -2   0   7 0.00  0.0    0  4.9 12 270   M    M   2        21 320
28  86  61  74  -1   0   9 0.00  0.0    0 11.2 21 140   M    M   2        29 150
29  82  62  72  -3   0   7 0.00  0.0    0 13.8 23 170   M    M   4        31 110
30  86  67  77   2   0  12    T  0.0    0 15.9 30 120   M    M   7        38 120
================================================================================
SM 2538 1764         7 215  0.01     0.0 299.5          M       81
================================================================================
AV 84.6 58.8                              10.0 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->  # 31 340               # 40  320
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.
SYMBOLS USED IN COLUMN 16:
1 = FOG OR MIST
2 = FOG REDUCING VISIBILITY TO 1/4 MILE OR LESS
3 = THUNDER
4 = ICE PELLETS
5 = HAIL
6 = FREEZING RAIN OR DRIZZLE
7 = DUSTSTORM OR SANDSTORM
8 = SMOKE OR HAZE
9 = BLOWING SNOW
X = TORNADO

$$



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