| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.08 | 4.87 | 0.21 |
| Feb | 5.00 | 5.04 | -0.04 |
| Mar | 5.46 | 5.33 | 0.13 |
| Apr | 5.18 | 5.04 | 0.14 |
| May | 4.90 | 4.94 | -0.04 |
| Jun | 5.25 | 5.19 | 0.06 |
| Jul | 5.09 | 5.16 | -0.07 |
| Aug | 3.94 | 4.14 | -0.20 |
| Sep | 4.07 | 4.07 | 0.00 |
| Oct | 3.22 | 3.23 | -0.01 |
| Nov | 4.21 | 4.13 | 0.08 |
| Dec | 5.96 | 5.84 | 0.12 |
57.36 | 56.98 | 0.38 |