| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.09 | 4.19 | -0.10 |
| Feb | 3.74 | 3.73 | 0.01 |
| Mar | 5.12 | 5.12 | 0.00 |
| Apr | 4.45 | 4.56 | -0.11 |
| May | 3.61 | 3.60 | 0.01 |
| Jun | 4.09 | 3.84 | 0.25 |
| Jul | 3.37 | 3.34 | 0.03 |
| Aug | 3.59 | 3.68 | -0.09 |
| Sep | 3.96 | 3.73 | 0.23 |
| Oct | 4.91 | 5.05 | -0.14 |
| Nov | 4.27 | 4.33 | -0.06 |
| Dec | 4.95 | 5.01 | -0.06 |
50.15 | 50.18 | -0.03 |