| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.04 | -0.01 |
| Feb | 2.72 | 2.70 | 0.02 |
| Mar | 3.20 | 3.19 | 0.01 |
| Apr | 2.57 | 2.61 | -0.04 |
| May | 3.53 | 3.64 | -0.11 |
| Jun | 6.83 | 6.90 | -0.07 |
| Jul | 6.19 | 6.12 | 0.07 |
| Aug | 7.05 | 6.85 | 0.20 |
| Sep | 7.22 | 7.27 | -0.05 |
| Oct | 4.25 | 4.10 | 0.15 |
| Nov | 2.63 | 2.41 | 0.22 |
| Dec | 2.66 | 2.60 | 0.06 |
51.88 | 51.43 | 0.45 |