| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.68 | 0.13 |
| Feb | 2.34 | 2.26 | 0.08 |
| Mar | 3.06 | 3.05 | 0.01 |
| Apr | 3.49 | 3.52 | -0.03 |
| May | 3.57 | 3.42 | 0.15 |
| Jun | 4.58 | 4.42 | 0.16 |
| Jul | 4.06 | 3.81 | 0.25 |
| Aug | 4.22 | 4.01 | 0.21 |
| Sep | 4.10 | 3.97 | 0.13 |
| Oct | 4.00 | 3.81 | 0.19 |
| Nov | 3.14 | 3.02 | 0.12 |
| Dec | 3.14 | 2.88 | 0.26 |
42.51 | 40.85 | 1.66 |