| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.14 | -0.11 |
| Feb | 2.45 | 2.41 | 0.04 |
| Mar | 3.28 | 3.34 | -0.06 |
| Apr | 3.85 | 3.80 | 0.05 |
| May | 4.09 | 4.18 | -0.09 |
| Jun | 4.63 | 4.60 | 0.03 |
| Jul | 4.13 | 4.09 | 0.04 |
| Aug | 3.53 | 3.50 | 0.03 |
| Sep | 3.27 | 3.37 | -0.10 |
| Oct | 2.92 | 2.85 | 0.07 |
| Nov | 2.94 | 2.91 | 0.03 |
| Dec | 3.01 | 2.99 | 0.02 |
41.13 | 41.18 | -0.05 |