| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.78 | 5.07 | -0.29 |
| Feb | 4.84 | 5.16 | -0.32 |
| Mar | 4.88 | 5.24 | -0.36 |
| Apr | 4.68 | 5.13 | -0.45 |
| May | 3.63 | 3.80 | -0.17 |
| Jun | 6.05 | 6.33 | -0.28 |
| Jul | 7.33 | 7.42 | -0.09 |
| Aug | 7.32 | 7.24 | 0.08 |
| Sep | 5.69 | 6.14 | -0.45 |
| Oct | 3.72 | 3.91 | -0.19 |
| Nov | 4.00 | 4.31 | -0.31 |
| Dec | 4.90 | 5.13 | -0.23 |
61.82 | 64.88 | -3.06 |