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JSC Weather Monthly Summary
JSC Building 30 Weather Month: Dec Year: 2008
Temperature in F Precipitation (inches) Peak Wind (mph) Altimeter
Day Max Min Average HDD CDD Water Snow Snow Depth Weather Direction Speed Time [CDT] Min Max Remarks
1 57 47 52.0 13.0 0.00 NW 45 1538 29.92 30.28
2 66 45 55.5 9.5 0.00 E 28 1616 30.06 30.29
3 MM MM MM.M M.M Trace M MM MMMM MM.MM MM.MM No data
4 54 44 49.0 16.0 0.00 M MM MMMM 30.22 30.37 No data 0000 - 0856
5 49 39 44.0 21.0 0.00 NE 29 0210 30.21 30.42
6 62 43 52.5 12.5 0.00 N 14 1554# 30.12 30.23
7 58 48 53.0 12.0 0.00 E 21 1300 30.14 30.30
8 70 55 62.5 2.5 0.00 SE 29 2150 29.77 30.14
9 75 46 60.5 4.5 0.29 1,3 NW 46 2046 29.60 29.93
10 46 30 38.0 27.0 0.07 0.60 T 1 NW 44 0744 29.91 30.14 Snowfall estimated
11 53 30 41.5 23.5 0.02 0.10 T NW 33 1206 30.01 30.20 Snowfall estimated
12 55 38 46.5 18.5 0.00 S 13 2254 30.20 30.36
13 68 50 59.0 6.0 0.00 S 40 1424# 29.83 30.23
14 73 65 69.0 4.0 0.00 SE 32 1550# 29.82 29.97
15 67 41 54.0 11.0 Trace 2 N 26 2258 29.95 30.24
16 45 40 42.5 22.5 0.02 2 N 24 0018 30.08 30.23
17 58 44 51.0 14.0 0.02 1 NE 11 1038# 30.08 30.17
18 73 57 65.0 0.0 0.11 2 SE 24 1516 30.05 30.18
19 77 66 71.5 6.5 0.03 SW 19 1848# 30.02 30.13
20 77 65 71.0 6.0 0.00 SW 26 1552 29.88 30.04
21 69 44 56.5 8.5 0.00 NE 40 1944 29.96 30.44
22 44 32 38.0 27.0 0.00 N 28 0552 30.20 30.49
23 69 41 55.0 10.0 0.32 SE 36 1346 29.89 30.21
24 74 68 71.0 6.0 0.00 SE 26 0230 29.91 30.08 No data 1250-2400
25 MM MM MM.M M.M 0.00 MM MM MMMM MM.MM MM.MM No data
26 74 69 71.5 6.5 0.02 S 32 2306# 29.91 30.06 No data 0000-0156
27 73 55 64.0 1.0 0.17 3 NW 37 1736 29.85 30.13
28 60 48 54.0 11.0 0.00 N 32 0038 30.13 30.30
29 61 44 52.5 12.5 0.00 NE 15 1144 30.26 30.37
30 64 49 56.5 8.5 0.00 S 14 2212# 30.05 30.28
31 62 52 57.0 8.0 0.00 NE 24 1058# 30.07 30.22
Sum 300.0 29.0 1.07 0.70
Average 63.2 48.3 55.7
Maximum 77 74 46 30.49
Minimum 44 30 29.60
Temperature Data Precipitation Data Weather Symbols:
Average Monthly: 56 Total for month: 1.07 1 Fog
JSC avg-EFD Climo +0.7 JSC - EFD Climo: -2.53 2 Fog, VSBY <= 1/4 SM
Highest: 77 on 20th Greatest daily total: 0.32 3 Thunder
Lowest: 30 on 11th Days with 0.01" or more: 10 4 Ice Pellets
Days with 0.10" or more: 4 5 Hail
Days with 0.50" or more: 0 6 Glaze or rime
Days with 1.00" or more: 0 7 Blowing Dust or Sand, VSB <= 1/2 SM
Year-to-date rainfall: 37.36 8 Smoke or Haze
Days with thunder: 2 9 Blowing Snow
Lightning flashes within TBD X Tornado, waterspout, funnel cloud
Days with dense fog: 3 # Last of more than one occurrence
JSC - EFD climate year to end of month: -10.04*
Remarks:
*Does not include rainfall from Hurricane Ike and week following.
New Period of Record for Ellington Field climatology for comparison. POR 07/1941 - 08/2007
JSC weather observations are considered experimental and unofficial. Quality control procedures of the data appearing
on this page are minimal. SMG does not maintain a routine weather watch so absence of a weather type does
not necessarily mean that the phenomenon did not occur. Please read the disclaimer
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