| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.19 | -0.05 |
| Feb | 2.74 | 2.86 | -0.12 |
| Mar | 3.87 | 4.07 | -0.20 |
| Apr | 3.65 | 3.55 | 0.10 |
| May | 4.30 | 4.29 | 0.01 |
| Jun | 4.30 | 4.27 | 0.03 |
| Jul | 4.35 | 4.19 | 0.16 |
| Aug | 4.16 | 3.94 | 0.22 |
| Sep | 4.42 | 4.41 | 0.01 |
| Oct | 4.12 | 4.19 | -0.07 |
| Nov | 3.44 | 3.29 | 0.15 |
| Dec | 3.72 | 3.90 | -0.18 |
46.21 | 46.15 | 0.06 |