| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.32 | -0.12 |
| Feb | 4.33 | 4.26 | 0.07 |
| Mar | 4.82 | 4.82 | 0.00 |
| Apr | 4.64 | 4.72 | -0.08 |
| May | 4.77 | 4.98 | -0.21 |
| Jun | 5.17 | 5.05 | 0.12 |
| Jul | 5.41 | 5.63 | -0.22 |
| Aug | 4.07 | 3.99 | 0.08 |
| Sep | 3.54 | 3.62 | -0.08 |
| Oct | 3.22 | 3.07 | 0.15 |
| Nov | 3.67 | 3.47 | 0.20 |
| Dec | 4.92 | 5.06 | -0.14 |
52.76 | 52.99 | -0.23 |