| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.67 | 2.79 | -0.12 |
| Feb | 2.28 | 2.44 | -0.16 |
| Mar | 3.05 | 2.97 | 0.08 |
| Apr | 4.49 | 4.66 | -0.17 |
| May | 4.42 | 4.33 | 0.09 |
| Jun | 4.83 | 4.99 | -0.16 |
| Jul | 4.02 | 4.01 | 0.01 |
| Aug | 3.08 | 3.17 | -0.09 |
| Sep | 2.93 | 3.00 | -0.07 |
| Oct | 3.63 | 3.61 | 0.02 |
| Nov | 3.53 | 3.56 | -0.03 |
| Dec | 2.72 | 2.73 | -0.01 |
41.65 | 42.26 | -0.61 |