| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.83 | 3.90 | -0.07 |
| Feb | 3.57 | 3.58 | -0.01 |
| Mar | 4.06 | 4.10 | -0.04 |
| Apr | 3.10 | 3.13 | -0.03 |
| May | 3.19 | 3.21 | -0.02 |
| Jun | 4.48 | 4.47 | 0.01 |
| Jul | 4.09 | 4.17 | -0.08 |
| Aug | 4.29 | 4.61 | -0.32 |
| Sep | 3.77 | 3.97 | -0.20 |
| Oct | 3.20 | 3.28 | -0.08 |
| Nov | 3.19 | 3.29 | -0.10 |
| Dec | 4.06 | 4.04 | 0.02 |
44.83 | 45.75 | -0.92 |