| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.77 | 0.06 |
| Feb | 1.24 | 1.18 | 0.06 |
| Mar | 2.30 | 2.24 | 0.06 |
| Apr | 2.83 | 2.74 | 0.09 |
| May | 5.01 | 4.92 | 0.09 |
| Jun | 4.75 | 4.45 | 0.30 |
| Jul | 4.04 | 3.88 | 0.16 |
| Aug | 3.79 | 3.94 | -0.15 |
| Sep | 2.47 | 2.41 | 0.06 |
| Oct | 2.90 | 2.79 | 0.11 |
| Nov | 1.44 | 1.40 | 0.04 |
| Dec | 1.22 | 1.16 | 0.06 |
32.82 | 31.88 | 0.94 |