| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.49 | -0.01 |
| Feb | 2.82 | 2.72 | 0.10 |
| Mar | 4.01 | 4.00 | 0.01 |
| Apr | 3.55 | 3.26 | 0.29 |
| May | 4.25 | 4.14 | 0.11 |
| Jun | 3.91 | 3.85 | 0.06 |
| Jul | 4.43 | 4.33 | 0.10 |
| Aug | 3.98 | 3.98 | 0.00 |
| Sep | 4.38 | 4.54 | -0.16 |
| Oct | 3.69 | 3.66 | 0.03 |
| Nov | 3.32 | 3.26 | 0.06 |
| Dec | 3.64 | 3.67 | -0.03 |
45.46 | 44.90 | 0.56 |