| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.40 | -0.36 |
| Feb | 2.34 | 2.52 | -0.18 |
| Mar | 2.95 | 3.17 | -0.22 |
| Apr | 3.66 | 3.82 | -0.16 |
| May | 3.59 | 3.87 | -0.28 |
| Jun | 3.85 | 3.94 | -0.09 |
| Jul | 4.15 | 4.43 | -0.28 |
| Aug | 3.75 | 3.97 | -0.22 |
| Sep | 3.99 | 4.20 | -0.21 |
| Oct | 3.98 | 4.35 | -0.37 |
| Nov | 3.57 | 3.80 | -0.23 |
| Dec | 3.27 | 3.61 | -0.34 |
42.14 | 45.08 | -2.94 |