天気

0xC81318 - [word] Weather lock (by AlienX).
0xC8131C - [word] Upcoming weather.
0xC81320 - [word] Current weather.

The following values tie up with the sections in data/timecycp.dat. There are several different kinds of weathers (including underwater), and the current weather affects viewing distance, sky colour, fog intensity, and other things like that. The appearance of each weather is time-dependent too.

Weather Values:

0 = EXTRASUNNY_LA
1 = SUNNY_LA
2 = EXTRASUNNY_SMOG_LA
3 = SUNNY_SMOG_LA
4 = CLOUDY_LA
5 = SUNNY_SF
6 = EXTRASUNNY_SF
7 = CLOUDY_SF
8 = RAINY_SF
9 = FOGGY_SF
10 = SUNNY_VEGAS
11 = EXTRASUNNY_VEGAS (heat waves)
12 = CLOUDY_VEGAS
13 = EXTRASUNNY_COUNTRYSIDE
14 = SUNNY_COUNTRYSIDE
15 = CLOUDY_COUNTRYSIDE
16 = RAINY_COUNTRYSIDE
17 = EXTRASUNNY_DESERT
18 = SUNNY_DESERT
19 = SANDSTORM_DESERT
20 = UNDERWATER (greenish, foggy)
21 = EXTRACOLOURS_1 (very dark, gradiented skyline, purple) Used for interiors?
22 = EXTRACOLOURS_2 (very dark, gradiented skyline, green) Used for interiors?

The following are not mentioned in that file, make of them what you will:

23 to 26 = variations of pale orange
27 to 29 = variations of fresh blue
30 to 32 = variations of dark, cloudy, teal
33 = dark, cloudy, brown
34 = blue/purple, regular
35 = dull brown
36 to 38 = bright, foggy, orange
39 = extremely bright
40 to 42 = blue/purple cloudy
43 = dark toxic clouds
44 = black/white sky
45 = black/purple sky
Warning: Setting these values to anything higher will result in things like black screen, flickering, really red, etc.