| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 3.02 | -0.02 |
| Feb | 2.28 | 2.29 | -0.01 |
| Mar | 3.31 | 3.29 | 0.02 |
| Apr | 4.25 | 4.25 | 0.00 |
| May | 4.36 | 4.44 | -0.08 |
| Jun | 4.65 | 4.66 | -0.01 |
| Jul | 4.12 | 4.01 | 0.11 |
| Aug | 3.30 | 3.18 | 0.12 |
| Sep | 3.02 | 2.99 | 0.03 |
| Oct | 2.92 | 2.98 | -0.06 |
| Nov | 3.16 | 3.13 | 0.03 |
| Dec | 2.98 | 3.00 | -0.02 |
41.35 | 41.24 | 0.11 |