| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.16 | -0.09 |
| Feb | 2.67 | 2.72 | -0.05 |
| Mar | 3.87 | 3.93 | -0.06 |
| Apr | 3.55 | 3.41 | 0.14 |
| May | 4.43 | 4.32 | 0.11 |
| Jun | 4.34 | 4.47 | -0.13 |
| Jul | 4.27 | 4.32 | -0.05 |
| Aug | 3.57 | 3.85 | -0.28 |
| Sep | 4.34 | 4.49 | -0.15 |
| Oct | 3.66 | 3.93 | -0.27 |
| Nov | 3.20 | 3.30 | -0.10 |
| Dec | 3.57 | 3.73 | -0.16 |
44.54 | 45.63 | -1.09 |