| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.77 | -0.09 |
| Feb | 0.81 | 0.86 | -0.05 |
| Mar | 1.44 | 1.55 | -0.11 |
| Apr | 2.76 | 2.85 | -0.09 |
| May | 4.06 | 4.15 | -0.09 |
| Jun | 4.38 | 4.38 | 0.00 |
| Jul | 4.06 | 4.25 | -0.19 |
| Aug | 3.97 | 3.99 | -0.02 |
| Sep | 3.19 | 3.30 | -0.11 |
| Oct | 2.74 | 2.74 | 0.00 |
| Nov | 1.48 | 1.58 | -0.10 |
| Dec | 0.99 | 1.13 | -0.14 |
30.56 | 31.55 | -0.99 |