| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.60 | 4.72 | -0.12 |
| Feb | 3.98 | 4.11 | -0.13 |
| Mar | 4.75 | 4.82 | -0.07 |
| Apr | 3.69 | 3.74 | -0.05 |
| May | 3.00 | 3.11 | -0.11 |
| Jun | 6.45 | 6.66 | -0.21 |
| Jul | 6.42 | 6.78 | -0.36 |
| Aug | 6.20 | 6.65 | -0.45 |
| Sep | 4.90 | 5.19 | -0.29 |
| Oct | 3.20 | 3.17 | 0.03 |
| Nov | 2.84 | 2.99 | -0.15 |
| Dec | 3.59 | 3.80 | -0.21 |
53.62 | 55.74 | -2.12 |