| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.99 | 4.18 | -0.19 |
| Feb | 3.29 | 3.45 | -0.16 |
| Mar | 4.05 | 4.20 | -0.15 |
| Apr | 4.02 | 4.28 | -0.26 |
| May | 3.93 | 4.12 | -0.19 |
| Jun | 4.22 | 4.47 | -0.25 |
| Jul | 4.46 | 4.75 | -0.29 |
| Aug | 4.32 | 4.67 | -0.35 |
| Sep | 4.10 | 4.34 | -0.24 |
| Oct | 3.26 | 3.30 | -0.04 |
| Nov | 3.53 | 3.64 | -0.11 |
| Dec | 3.91 | 4.19 | -0.28 |
47.08 | 49.59 | -2.51 |