| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.75 | 1.91 | -0.16 |
| Feb | 1.74 | 1.70 | 0.04 |
| Mar | 2.39 | 2.68 | -0.29 |
| Apr | 2.40 | 2.43 | -0.03 |
| May | 4.36 | 4.52 | -0.16 |
| Jun | 3.22 | 3.35 | -0.13 |
| Jul | 2.29 | 2.68 | -0.39 |
| Aug | 2.38 | 2.18 | 0.20 |
| Sep | 3.57 | 3.72 | -0.15 |
| Oct | 2.99 | 3.05 | -0.06 |
| Nov | 2.04 | 2.20 | -0.16 |
| Dec | 1.67 | 1.93 | -0.26 |
30.80 | 32.35 | -1.55 |