| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.49 | 0.08 |
| Feb | 3.72 | 3.66 | 0.06 |
| Mar | 4.84 | 4.69 | 0.15 |
| Apr | 5.42 | 5.25 | 0.17 |
| May | 5.38 | 5.24 | 0.14 |
| Jun | 3.47 | 3.47 | 0.00 |
| Jul | 4.12 | 3.90 | 0.22 |
| Aug | 3.67 | 3.61 | 0.06 |
| Sep | 3.57 | 3.51 | 0.06 |
| Oct | 3.77 | 3.87 | -0.10 |
| Nov | 4.86 | 4.80 | 0.06 |
| Dec | 4.66 | 4.46 | 0.20 |
51.05 | 49.95 | 1.10 |