| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.95 | 3.17 | -0.22 |
| Feb | 2.44 | 2.61 | -0.17 |
| Mar | 3.33 | 3.41 | -0.08 |
| Apr | 3.73 | 3.77 | -0.04 |
| May | 3.82 | 4.01 | -0.19 |
| Jun | 4.53 | 4.66 | -0.13 |
| Jul | 4.03 | 4.01 | 0.02 |
| Aug | 4.04 | 4.21 | -0.17 |
| Sep | 4.20 | 4.58 | -0.38 |
| Oct | 4.32 | 4.32 | 0.00 |
| Nov | 3.12 | 3.24 | -0.12 |
| Dec | 3.54 | 3.74 | -0.20 |
44.05 | 45.73 | -1.68 |