| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.42 | -0.08 |
| Feb | 2.77 | 2.83 | -0.06 |
| Mar | 3.74 | 3.72 | 0.02 |
| Apr | 4.74 | 4.88 | -0.14 |
| May | 5.08 | 5.08 | 0.00 |
| Jun | 5.02 | 5.15 | -0.13 |
| Jul | 4.32 | 4.34 | -0.02 |
| Aug | 3.58 | 3.40 | 0.18 |
| Sep | 3.25 | 3.20 | 0.05 |
| Oct | 3.51 | 3.34 | 0.17 |
| Nov | 3.53 | 3.60 | -0.07 |
| Dec | 3.46 | 3.53 | -0.07 |
46.34 | 46.49 | -0.15 |