| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 3.17 | -0.18 |
| Feb | 2.54 | 2.58 | -0.04 |
| Mar | 3.26 | 3.30 | -0.04 |
| Apr | 3.44 | 3.43 | 0.01 |
| May | 3.96 | 4.05 | -0.09 |
| Jun | 4.25 | 4.41 | -0.16 |
| Jul | 4.25 | 4.12 | 0.13 |
| Aug | 3.68 | 3.60 | 0.08 |
| Sep | 3.41 | 3.38 | 0.03 |
| Oct | 2.96 | 3.03 | -0.07 |
| Nov | 2.81 | 2.96 | -0.15 |
| Dec | 3.08 | 3.24 | -0.16 |
40.63 | 41.27 | -0.64 |