| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 2.96 | -0.02 |
| Feb | 2.32 | 2.26 | 0.06 |
| Mar | 3.20 | 3.29 | -0.09 |
| Apr | 3.59 | 3.48 | 0.11 |
| May | 3.64 | 3.90 | -0.26 |
| Jun | 4.07 | 3.99 | 0.08 |
| Jul | 4.50 | 4.32 | 0.18 |
| Aug | 3.78 | 3.93 | -0.15 |
| Sep | 4.27 | 4.46 | -0.19 |
| Oct | 3.69 | 3.85 | -0.16 |
| Nov | 3.10 | 2.82 | 0.28 |
| Dec | 3.10 | 3.30 | -0.20 |
42.20 | 42.56 | -0.36 |