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JSC Weather Monthly Summary
JSC Building 30 Weather Month: December Year: 2004
Temperature in F Precipitation (inches) Peak Wind (mph) Altimeter
Day Max Min Average HDD CDD Water Snow Snow Depth Weather Direction Speed Time [CST] Min Max Remarks
1 55 42 48.5 16.5 0.00 NE 16 1038 30.21 30.39
2 63 51 57.0 8.0 0.00 NE 12 0848# 30.16 30.26
3 60 54 57.0 8.0 0.02 NE 16 0450# 30.09 30.20
4 62 57 59.5 5.5 0.00 E 19 1758 29.98 30.15
5 75 60 67.5 2.5 Trace 1 S 20 2132# 29.85 29.99
6 77 66 71.5 6.5 1.58 1 S 27 2318 29.76 29.94
7 71 61 66.0 1.0 0.14 1 NW 18 0406 29.91 30.06
8 69 58 63.5 1.5 0.00 E 15 0608# 29.87 30.06
9 80 60 70.0 5.0 0.00 SW 30 1458 29.77 29.92
10 70 57 63.5 1.5 0.00 NW 33 1652 29.90 30.17
11 69 50 59.5 5.5 0.00 NW 18 1106# 30.05 30.23
12 79 59 69.0 4.0 0.00 SW 33 1244# 29.92 30.05
13 69 50 59.5 5.5 0.00 N 33 0846 30.03 30.50
14 53 42 47.5 17.5 0.00 N 35 0156 30.50 30.66
15 54 40 47.0 18.0 0.00 E 24 1806 30.28 30.50
16 56 46 51.0 14.0 0.49 NE 32 1302 20.23 30.35
17 58 50 54.0 11.0 0.03 NE 23 0302# 30.29 30.39
18 66 46 56.0 9.0 0.00 NW 19 1334 30.17 30.29
19 64 48 56.0 9.0 0.00 N 27 1052 30.24 30.41
20 70 49 59.5 5.5 0.00 S 36 1330 29.96 30.30
21 72 62 67.0 2.0 0.20 SE 22 1018 29.80 29.95
22 67 36 51.5 13.5 0.57 3 NW 42 2246 29.73 30.09
23 39 34 36.5 28.5 0.00 N 41 0046 30.07 30.33
24 37 29 33.0 32.0 0.06 0.70 0.70 N 30 1936# 30.07 30.35
25 49 32 40.5 24.5 Trace Trace Trace N 23 0158# 30.14 30.30
26 56 35 45.5 19.5 0.00 E 13 1614 30.24 30.41
27 55 44 49.5 15.5 0.00 E 21 1352 30.39 30.52
28 65 50 57.5 7.5 Trace 1 SE 23 1200 30.30 30.43
29 79 59 69.0 4.0 0.00 SE 19 1420# 30.22 30.35
30 71 58 64.5 0.5 0.02 S 15 2230 30.12 30.21
31 76 60 68.0 3.0 0.00 SE 15 1458# 30.12 30.21
Sum 277.5 28.0 3.11 0.70
Average 64.1 49.8 57.0
Maximum 80 66 42 30.66
Minimum 37 29 29.73
Temperature Data Precipitation Data Weather Symbols:
Average Monthly: 57 Total for month: 3.11 1 Fog
JSC avg-EFD Climo +1.5 JSC - EFD Climo: -0.53 2 Fog, VSBY <= 1/4 SM
Highest: 80 on 9th Greatest daily total: 1.58 3 Thunder
Lowest: 29 on 24th Days with 0.01" or more: 9 4 Ice Pellets
Days with 0.10" or more: 5 5 Hail
Days with 0.50" or more: 2 6 Glaze or rime
Days with 1.00" or more: 1 7 Blowing Dust or Sand, VSB <= 1/2 SM
Year-to-date rainfall: 53.08 8 Smoke or Haze
Days with thunder: 1 9 Blowing Snow
Lightning flashes within TBD X Tornado, waterspout, funnel cloud
Days with dense fog: 0 # Last of more than one occurrence
JSC - EFD climate year to end of month: +8.21
Remarks:
Annual rain total is likely low due to sensor problem in the spring months.
There was a white Christmas at JSC. Snowfall totals from around JSC included Pearland 2 inches, Friendswood 3 inches, Clear Lake
1 inch, Dickinson 2 inches, and Galveston 4 inches.
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
regarding products on the Internet.
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