| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.74 | -0.23 |
| Feb | 2.87 | 3.12 | -0.25 |
| Mar | 3.91 | 4.15 | -0.24 |
| Apr | 3.99 | 4.51 | -0.52 |
| May | 4.30 | 4.70 | -0.40 |
| Jun | 4.60 | 4.80 | -0.20 |
| Jul | 4.16 | 3.99 | 0.17 |
| Aug | 3.44 | 3.87 | -0.43 |
| Sep | 4.59 | 4.89 | -0.30 |
| Oct | 3.54 | 3.60 | -0.06 |
| Nov | 3.55 | 3.84 | -0.29 |
| Dec | 3.80 | 4.23 | -0.43 |
46.26 | 49.44 | -3.18 |