| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.27 | -0.37 |
| Feb | 2.25 | 2.50 | -0.25 |
| Mar | 2.99 | 3.24 | -0.25 |
| Apr | 3.67 | 3.88 | -0.21 |
| May | 3.86 | 3.84 | 0.02 |
| Jun | 4.11 | 3.96 | 0.15 |
| Jul | 4.09 | 4.07 | 0.02 |
| Aug | 3.64 | 3.85 | -0.21 |
| Sep | 4.08 | 3.96 | 0.12 |
| Oct | 3.75 | 4.00 | -0.25 |
| Nov | 3.47 | 3.54 | -0.07 |
| Dec | 3.12 | 3.48 | -0.36 |
41.93 | 43.59 | -1.66 |