| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.58 | -0.08 |
| Feb | 2.74 | 3.00 | -0.26 |
| Mar | 3.81 | 3.98 | -0.17 |
| Apr | 3.97 | 4.04 | -0.07 |
| May | 3.90 | 4.13 | -0.23 |
| Jun | 4.74 | 4.90 | -0.16 |
| Jul | 4.99 | 5.05 | -0.06 |
| Aug | 4.59 | 4.97 | -0.38 |
| Sep | 4.84 | 4.85 | -0.01 |
| Oct | 4.41 | 4.59 | -0.18 |
| Nov | 3.57 | 3.61 | -0.04 |
| Dec | 3.99 | 4.23 | -0.24 |
49.05 | 50.93 | -1.88 |