| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.16 | -0.23 |
| Feb | 2.64 | 2.70 | -0.06 |
| Mar | 3.21 | 3.33 | -0.12 |
| Apr | 3.53 | 3.69 | -0.16 |
| May | 3.57 | 3.65 | -0.08 |
| Jun | 4.36 | 4.60 | -0.24 |
| Jul | 4.21 | 4.75 | -0.54 |
| Aug | 3.75 | 4.08 | -0.33 |
| Sep | 3.73 | 3.66 | 0.07 |
| Oct | 3.97 | 4.13 | -0.16 |
| Nov | 3.22 | 3.39 | -0.17 |
| Dec | 3.52 | 3.93 | -0.41 |
42.64 | 45.07 | -2.43 |