| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.44 | 0.16 |
| Feb | 3.77 | 3.87 | -0.10 |
| Mar | 5.07 | 5.02 | 0.05 |
| Apr | 5.28 | 5.31 | -0.03 |
| May | 5.33 | 5.33 | 0.00 |
| Jun | 3.44 | 3.49 | -0.05 |
| Jul | 3.84 | 3.66 | 0.18 |
| Aug | 3.73 | 3.70 | 0.03 |
| Sep | 3.58 | 3.51 | 0.07 |
| Oct | 3.98 | 3.96 | 0.02 |
| Nov | 4.83 | 4.67 | 0.16 |
| Dec | 4.62 | 4.68 | -0.06 |
51.07 | 50.64 | 0.43 |