| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.67 | -0.25 |
| Feb | 2.83 | 2.89 | -0.06 |
| Mar | 3.80 | 3.90 | -0.10 |
| Apr | 3.33 | 3.63 | -0.30 |
| May | 3.80 | 3.91 | -0.11 |
| Jun | 4.39 | 4.50 | -0.11 |
| Jul | 5.49 | 5.30 | 0.19 |
| Aug | 5.15 | 5.77 | -0.62 |
| Sep | 5.00 | 5.13 | -0.13 |
| Oct | 3.92 | 4.28 | -0.36 |
| Nov | 3.12 | 3.37 | -0.25 |
| Dec | 3.23 | 3.58 | -0.35 |
47.48 | 49.93 | -2.45 |