| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.50 | -0.03 |
| Feb | 2.77 | 2.86 | -0.09 |
| Mar | 3.88 | 3.93 | -0.05 |
| Apr | 5.12 | 5.15 | -0.03 |
| May | 5.31 | 5.47 | -0.16 |
| Jun | 5.03 | 5.09 | -0.06 |
| Jul | 4.30 | 4.43 | -0.13 |
| Aug | 3.50 | 3.42 | 0.08 |
| Sep | 3.49 | 3.52 | -0.03 |
| Oct | 3.48 | 3.56 | -0.08 |
| Nov | 3.85 | 3.86 | -0.01 |
| Dec | 3.46 | 3.46 | 0.00 |
47.66 | 48.25 | -0.59 |