| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.44 | 0.02 |
| Feb | 2.22 | 2.23 | -0.01 |
| Mar | 3.37 | 3.22 | 0.15 |
| Apr | 4.68 | 4.45 | 0.23 |
| May | 4.93 | 5.03 | -0.10 |
| Jun | 4.40 | 4.51 | -0.11 |
| Jul | 3.93 | 3.90 | 0.03 |
| Aug | 3.70 | 3.45 | 0.25 |
| Sep | 3.45 | 3.38 | 0.07 |
| Oct | 3.23 | 3.25 | -0.02 |
| Nov | 3.44 | 3.36 | 0.08 |
| Dec | 2.58 | 2.50 | 0.08 |
42.39 | 41.72 | 0.67 |