| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.34 | -0.16 |
| Feb | 2.73 | 2.91 | -0.18 |
| Mar | 3.40 | 3.63 | -0.23 |
| Apr | 3.63 | 3.75 | -0.12 |
| May | 3.60 | 3.69 | -0.09 |
| Jun | 4.30 | 4.39 | -0.09 |
| Jul | 4.08 | 4.10 | -0.02 |
| Aug | 4.08 | 4.14 | -0.06 |
| Sep | 4.39 | 4.52 | -0.13 |
| Oct | 4.46 | 4.58 | -0.12 |
| Nov | 3.33 | 3.42 | -0.09 |
| Dec | 3.93 | 4.11 | -0.18 |
45.11 | 46.58 | -1.47 |