| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.47 | 0.10 |
| Feb | 3.03 | 2.91 | 0.12 |
| Mar | 3.80 | 3.79 | 0.01 |
| Apr | 3.46 | 3.46 | 0.00 |
| May | 3.59 | 3.53 | 0.06 |
| Jun | 4.65 | 4.49 | 0.16 |
| Jul | 5.19 | 5.23 | -0.04 |
| Aug | 4.87 | 5.01 | -0.14 |
| Sep | 4.96 | 5.11 | -0.15 |
| Oct | 3.34 | 3.43 | -0.09 |
| Nov | 3.41 | 3.28 | 0.13 |
| Dec | 3.41 | 3.41 | 0.00 |
47.28 | 47.12 | 0.16 |