Preliminary Local Climatological Data (WS Form F-6)
Station: CHANHASSEN MN NWS OFFICE
Month: APR
Year: 1999
Temperature in F : :Pcpn :Snow: Wind :Sunshine: Sky :Pk Wnd
===================================== Columns =================================
1 2 3 4 5 6a 6b 7 8 9 10 11 12 13 14 15 16 17 18
Dy Max Min Avg Dep HDD CDD Wtr Snw Dpth Avg Spd Dir Min Psbl S-S Wx Spd Dr
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1 62 49 56 M 9 0 T 0.0 0 M M M 89 13 M M M
2 55 42 49 M 16 0 T 0.0 0 M M M 173 0 M M M
3 49 40 45 M 20 0 0.32 0.0 0 M M M 0 0 M M M
4 55 37 46 M 19 0 0.03 0.0 0 M M M 271 35 M M M
5 44 38 41 M 24 0 1.05 0.0 0 M M M 0 0 M M M
6 56 35 46 M 19 0 0.17 0.0 0 M M M 399 51 M M M
7 70 35 53 M 12 0 T 0.0 0 M M M 250 32 M M M
8 57 38 48 M 17 0 T 0.0 0 M M M 245 31 M M M
9 59 42 51 M 14 0 T 0.0 0 M M M 148 0 M M M
10 49 37 43 M 22 0 0.25 0.0 0 M M M 57 0 M M M
11 41 33 37 M 28 0 0.35 T 0 M M M 0 0 M M M
12 58 30 44 M 21 0 0.00 0.0 0 M M M 700 88 M M M
13 64 42 53 M 12 0 0.00 0.0 0 M M M 589 74 M M M
14 64 42 53 M 12 0 0.08 0.0 0 M M M 494 62 M M M
15 42 34 38 M 27 0 0.52 0.0 0 M M M 222 28 M M M
16 46 33 40 M 25 0 0.02 T 0 M M M 553 68 M M M
17 45 34 40 M 25 0 T 0.0 0 M M M 675 83 M M M
18 53 31 42 M 23 0 T 0.0 0 M M M 763 94 M M M
19 56 39 48 M 17 0 0.03 0.0 0 M M M 611 75 M M M
20 52 37 45 M 20 0 0.00 0.0 0 M M M 221 27 M M M
21 58 37 48 M 17 0 0.00 0.0 0 M M M 478 58 M M M
22 50 37 44 M 21 0 0.03 T 0 M M M 345 42 M M M
23 60 36 48 M 17 0 T T 0 M M M 754 91 M M M
24 64 33 49 M 16 0 0.00 0.0 0 M M M 838 100 M M M
25 66 37 52 M 13 0 0.00 0.0 0 M M M 810 97 M M M
26 68 42 55 M 10 0 0.00 0.0 0 M M M 500 60 M M M
27 58 51 55 M 10 0 0.02 0.0 0 M M M 514 61 M M M
28 67 46 57 M 8 0 0.00 0.0 0 M M M 0 0 M M M
29 68 42 55 M 10 0 0.00 0.0 0 M M M 846 100 M M M
30 75 41 58 M 7 0 0.00 0.0 0 M M M 799 94 M M M
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Sm 1711 1149 511 0 2.95 T M 12344 24276
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Av 57.0 38.3 M Fastst Psbl % 51 Max(mph)
Misc ----> M M M M
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Notes:
# Last of several occurrences
Column 17 Peak Wind in MPH
Preliminary Local Climatological Data (WS Form F-6), Page 2
Station: CHANHASSEN MN NWS OFFICE
Month: APR
Year: 1999
[Temperature Data] [Precipitation Data] SYMBOLS USED IN COLUMN 16
Average Monthly: 47.7 Total for month: 2.95 1 = FOG
Dptr fm normal: M Dptr fm normal: M 2 = FOG REDUCING VISIBILITY
Highest: 75 on 30 Grtst 24 hr 1.05 on 5 TO 1/4 MILE OR LESS
Lowest: 30 on 12 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
Total for month T In 5 = HAIL
Grtst 24 hr T on 23# 6 = GLAZE OR RIME
Grtst depth: 0 on - 7 = BLOWING DUST OR SAND:
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: 10
Max 90 or above: 0 0.10 inch or more: 5
Min 32 or below: 2 0.50 inch or more: 2
Min 0 or below: 0 1.00 inch or more: 1
[HDD (Base 65)]
Total this Mo. 511 Clear (scale 0-3): M
Dptr fm normal M PtCldy (scale 4-7): M
Seasonal total 6838 Cloudy (scale 8-10): M
Dptr fm normal M
[CDD (Base 65)]
Total this Mo. 0
Dptr fm normal M [Pressure Data]
Seasonal total 0 Highest SLP: on
Dptr fm normal M Lowest SLP: on
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# = LAST OF SEVERAL OCCURRENCES