| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.69 | -0.03 |
| Feb | 3.03 | 3.02 | 0.01 |
| Mar | 4.05 | 4.19 | -0.14 |
| Apr | 3.65 | 3.67 | -0.02 |
| May | 3.58 | 3.58 | 0.00 |
| Jun | 4.05 | 4.13 | -0.08 |
| Jul | 4.50 | 4.31 | 0.19 |
| Aug | 4.32 | 4.26 | 0.06 |
| Sep | 4.96 | 5.07 | -0.11 |
| Oct | 3.27 | 3.41 | -0.14 |
| Nov | 3.30 | 3.41 | -0.11 |
| Dec | 3.57 | 3.46 | 0.11 |
45.94 | 46.20 | -0.26 |