WCC
3 WCC Teams in the Top 50 and 5 in the Top 100
#4 Gonzaga
#37 SMC
#48 San Francisco
#94 BYU
#96 San Diego
1 Sub 200 WCC Team
#319 Portland

MWC
2 Mountain West Teams in the Top 50 and 3 in the Top 100
#18 Nevada
#42 Utah State
#58 Fresno State
4 Sub 200 Mountain West Teams
#211 Colorado State
#236 Air Force
#306 Wyoming
#334 San Jose State

Pac-12
2 Pac-12 Teams in the Top 50 and 7 in the Top 100
#43 Oregon
#45 Washington
#53 Arizona
#64 Arizona State
#67 Oregon State
#76 UCLA
#85 Colorado
1 Sub 200 Pac-12 Team
#252 Cal

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The WCC is deepest at the top. Pac-12 is deepest in the middle. Mountain West has the most bottom dwellers, and is definitely far worse than the WCC. When you look at the 7 Pac-12 teams in the Top 100, remember that is 7/12. The WCC has 5/10 in the top 100, so even that isn't that big of a gap.