| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.78 | 0.00 |
| Feb | 0.84 | 0.83 | 0.01 |
| Mar | 1.48 | 1.40 | 0.08 |
| Apr | 2.73 | 2.82 | -0.09 |
| May | 4.09 | 3.97 | 0.12 |
| Jun | 4.32 | 4.19 | 0.13 |
| Jul | 4.34 | 4.16 | 0.18 |
| Aug | 4.05 | 3.93 | 0.12 |
| Sep | 3.30 | 3.48 | -0.18 |
| Oct | 2.97 | 3.03 | -0.06 |
| Nov | 1.63 | 1.54 | 0.09 |
| Dec | 1.13 | 1.17 | -0.04 |
31.66 | 31.30 | 0.36 |