| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.40 | -0.10 |
| Feb | 2.74 | 2.78 | -0.04 |
| Mar | 4.15 | 4.11 | 0.04 |
| Apr | 3.67 | 3.74 | -0.07 |
| May | 3.86 | 3.96 | -0.10 |
| Jun | 4.30 | 4.10 | 0.20 |
| Jul | 4.64 | 4.53 | 0.11 |
| Aug | 4.03 | 4.15 | -0.12 |
| Sep | 4.85 | 4.99 | -0.14 |
| Oct | 4.14 | 4.35 | -0.21 |
| Nov | 3.36 | 3.40 | -0.04 |
| Dec | 3.75 | 3.83 | -0.08 |
46.79 | 47.34 | -0.55 |