| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.54 | 0.10 |
| Feb | 2.83 | 2.78 | 0.05 |
| Mar | 3.41 | 3.40 | 0.01 |
| Apr | 3.83 | 3.83 | 0.00 |
| May | 4.53 | 4.63 | -0.10 |
| Jun | 4.63 | 4.63 | 0.00 |
| Jul | 2.96 | 3.12 | -0.16 |
| Aug | 3.87 | 3.89 | -0.02 |
| Sep | 4.52 | 4.22 | 0.30 |
| Oct | 4.53 | 4.67 | -0.14 |
| Nov | 4.07 | 4.23 | -0.16 |
| Dec | 3.36 | 3.52 | -0.16 |
46.18 | 46.46 | -0.28 |