| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 3.22 | -0.30 |
| Feb | 2.58 | 2.55 | 0.03 |
| Mar | 3.12 | 3.36 | -0.24 |
| Apr | 3.67 | 4.05 | -0.38 |
| May | 4.18 | 4.43 | -0.25 |
| Jun | 5.08 | 5.01 | 0.07 |
| Jul | 4.66 | 4.93 | -0.27 |
| Aug | 4.36 | 4.58 | -0.22 |
| Sep | 4.08 | 4.49 | -0.41 |
| Oct | 4.76 | 5.20 | -0.44 |
| Nov | 3.62 | 4.08 | -0.46 |
| Dec | 3.52 | 3.77 | -0.25 |
46.55 | 49.67 | -3.12 |