| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.01 | 4.09 | -0.08 |
| Feb | 3.57 | 3.53 | 0.04 |
| Mar | 4.93 | 4.90 | 0.03 |
| Apr | 4.50 | 4.58 | -0.08 |
| May | 3.63 | 3.54 | 0.09 |
| Jun | 4.17 | 4.14 | 0.03 |
| Jul | 3.43 | 3.49 | -0.06 |
| Aug | 3.78 | 3.79 | -0.01 |
| Sep | 3.98 | 3.99 | -0.01 |
| Oct | 4.95 | 4.98 | -0.03 |
| Nov | 4.25 | 4.28 | -0.03 |
| Dec | 4.88 | 4.94 | -0.06 |
50.08 | 50.25 | -0.17 |