| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.26 | 4.43 | -0.17 |
| Feb | 2.84 | 3.14 | -0.30 |
| Mar | 3.32 | 3.46 | -0.14 |
| Apr | 3.82 | 4.19 | -0.37 |
| May | 5.10 | 5.07 | 0.03 |
| Jun | 5.34 | 5.59 | -0.25 |
| Jul | 4.29 | 4.42 | -0.13 |
| Aug | 5.20 | 5.53 | -0.33 |
| Sep | 5.80 | 5.88 | -0.08 |
| Oct | 5.07 | 5.44 | -0.37 |
| Nov | 4.15 | 4.67 | -0.52 |
| Dec | 4.25 | 4.43 | -0.18 |
53.44 | 56.25 | -2.81 |