| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.13 | -0.07 |
| Feb | 2.36 | 2.38 | -0.02 |
| Mar | 3.39 | 3.45 | -0.06 |
| Apr | 4.26 | 4.25 | 0.01 |
| May | 4.58 | 4.43 | 0.15 |
| Jun | 4.42 | 4.50 | -0.08 |
| Jul | 4.10 | 4.11 | -0.01 |
| Aug | 3.14 | 3.15 | -0.01 |
| Sep | 3.12 | 3.00 | 0.12 |
| Oct | 2.90 | 2.90 | 0.00 |
| Nov | 3.05 | 2.97 | 0.08 |
| Dec | 3.06 | 3.05 | 0.01 |
41.44 | 41.32 | 0.12 |