| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.68 | -0.06 |
| Feb | 3.33 | 3.50 | -0.17 |
| Mar | 3.69 | 3.92 | -0.23 |
| Apr | 2.91 | 3.10 | -0.19 |
| May | 3.21 | 3.34 | -0.13 |
| Jun | 4.36 | 4.35 | 0.01 |
| Jul | 4.38 | 4.58 | -0.20 |
| Aug | 4.67 | 4.60 | 0.07 |
| Sep | 4.01 | 4.09 | -0.08 |
| Oct | 3.30 | 3.47 | -0.17 |
| Nov | 2.92 | 3.02 | -0.10 |
| Dec | 3.72 | 3.89 | -0.17 |
44.12 | 45.54 | -1.42 |