What does winter look like at USC? NOAA Local Climatological Data on January 2012, we can explore the temperature, rainfall, wind, etc. to find patterns in the weather. This can help USC students with their daily tasks, like deciding what to wear the next day!
Daily Sumary (Core Dataset)
Date
Max °F
Min °F
Avg °F
Dep (°F)
Precipitation (in)
Weather
Avg Wind (mph)
Peak Gust (mph)
Jan 1
82
46
64
+6.4
0.00
BR, HZ
0.5
8
Jan 2
80
45
63
+5.4
0.00
FG, BR
0.3
9
Jan 3
79
50
65
+7.4
0.00
0.6
10
Jan 4
86*
55
71
+13.3
0.00
1.0
9
Jan 5
82
55
69
+11.3
0.00
1.3
10
Jan 6
73
49
61
+3.2
0.00
0.0
8
Jan 7
64
49
57
−0.8
0.00
FG, BR, HZ
1.6
12
Jan 8
69
44
57
−0.8
0.00
BR, HZ
0.4
12
Jan 9
74
46
60
+2.1
0.00
0.7
12
Jan 10
70
47
59
+1.1
0.00
BR
0.6
12
Jan 11
67
47
57
−0.9
0.00
BR
0.4
8
Jan 12
75
51
63
+5.0
0.00
0.2
8
Jan 13
76
44
60
+2.0
0.00
0.9
9
Jan 14
69
47
58
0.0
0.00
0.3
9
Jan 15
63
46
55
−3.0
T
0.5
9
Jan 16
59
50
55
−3.1
0.00
HZ
1.1
12
Jan 17
59
43
51
−7.1
0.00
0.8
13
Jan 18
64
43
54
−4.1
0.00
0.8
12
Jan 19
64
42*
53
−5.1
0.00
HZ
0.3
12
Jan 20
62
49
56
−2.1
0.00
BR, HZ
0.4
10
Jan 21
63
49
56
−2.1
0.68
RA, BR, HZ
2.7
21
Jan 22
62
47
55
−3.2
0.00
0.5
12
Jan 23
54
47
51
−7.2
0.62
RA, BR
2.3
17
Jan 24
68
44
56
−2.2
0.00
BR
0.6
10
Jan 25
79
48
64
+5.8
0.00
0.0
9
Jan 26
79
50
65
+6.8
0.00
0.8
12
Jan 27
78
53
66
+7.8
0.00
0.7
9
Jan 28
76
45
61
+2.8
0.00
0.0
8
Jan 29
77
47
62
+3.7
0.00
0.8
10
Jan 30
69
46
58
−0.3
0.00
0.7
12
Jan 31
66
50
58
−0.3
0.00
BR
1.2
16
Daily max/min/avg temperature, departure from normal, precipitation, and weather codes for January 2012 at Los Angeles Downtown USC (WBAN 93134).
Side by side Analysis
Rain Concentrated on Two Days
Date
Precipitation (in)
Weather
Jan 15
T
Trace
Jan 21
0.68
Rain, mist, haze
Jan 23
0.62
Rain, mist
Interpretation
100% of rainfall occured on only 2 days!
Long dry runs followed by short but intense storm windows are typical of Mediterranean climates.
Infrastructure planning should prioritize peak‑hour capture (Jan 23 had up to 0.45" over 3 hours per short‑duration table).
Glossary (Definition List)
Departure from Normal (Dep)
Difference between a day’s average temperature and the long-term average for that date.
Trace (T)
A precipitation amount too small to measure accurately.
Relative Humidity
Moisture in the air relative to the maximum possible at that temperature, in percent.
Sea Level Pressure
Pressure adjusted to mean sea level so stations at different elevations can be compared.