| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 3.06 | -0.06 |
| Feb | 2.63 | 2.71 | -0.08 |
| Mar | 3.77 | 3.87 | -0.10 |
| Apr | 3.44 | 3.41 | 0.03 |
| May | 4.28 | 4.36 | -0.08 |
| Jun | 4.30 | 4.33 | -0.03 |
| Jul | 4.47 | 4.40 | 0.07 |
| Aug | 3.82 | 3.81 | 0.01 |
| Sep | 4.30 | 4.40 | -0.10 |
| Oct | 3.85 | 3.97 | -0.12 |
| Nov | 3.12 | 3.19 | -0.07 |
| Dec | 3.67 | 3.70 | -0.03 |
44.65 | 45.21 | -0.56 |