| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.61 | 1.64 | -0.03 |
| Feb | 1.22 | 1.16 | 0.06 |
| Mar | 1.78 | 1.75 | 0.03 |
| Apr | 2.88 | 2.90 | -0.02 |
| May | 3.26 | 3.25 | 0.01 |
| Jun | 3.60 | 3.46 | 0.14 |
| Jul | 3.44 | 3.19 | 0.25 |
| Aug | 3.24 | 3.09 | 0.15 |
| Sep | 3.27 | 3.21 | 0.06 |
| Oct | 3.30 | 3.32 | -0.02 |
| Nov | 2.21 | 2.24 | -0.03 |
| Dec | 1.88 | 1.82 | 0.06 |
31.69 | 31.03 | 0.66 |