| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.51 | -0.15 |
| Feb | 3.05 | 2.87 | 0.18 |
| Mar | 3.36 | 3.15 | 0.21 |
| Apr | 3.19 | 3.08 | 0.11 |
| May | 2.75 | 2.62 | 0.13 |
| Jun | 5.69 | 5.61 | 0.08 |
| Jul | 5.29 | 4.67 | 0.62 |
| Aug | 6.50 | 5.84 | 0.66 |
| Sep | 5.32 | 6.14 | -0.82 |
| Oct | 4.05 | 4.65 | -0.60 |
| Nov | 2.06 | 2.14 | -0.08 |
| Dec | 2.91 | 3.05 | -0.14 |
47.53 | 47.33 | 0.20 |