| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.15 | -0.07 |
| Feb | 2.49 | 2.46 | 0.03 |
| Mar | 3.53 | 3.53 | 0.00 |
| Apr | 4.44 | 4.32 | 0.12 |
| May | 4.49 | 4.47 | 0.02 |
| Jun | 4.75 | 4.74 | 0.01 |
| Jul | 3.91 | 3.90 | 0.01 |
| Aug | 3.19 | 2.90 | 0.29 |
| Sep | 3.01 | 2.90 | 0.11 |
| Oct | 3.09 | 3.03 | 0.06 |
| Nov | 2.99 | 2.96 | 0.03 |
| Dec | 3.23 | 3.27 | -0.04 |
42.20 | 41.63 | 0.57 |