| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.21 | -0.23 |
| Feb | 2.30 | 2.43 | -0.13 |
| Mar | 2.97 | 3.07 | -0.10 |
| Apr | 3.70 | 3.90 | -0.20 |
| May | 3.60 | 3.87 | -0.27 |
| Jun | 4.02 | 3.96 | 0.06 |
| Jul | 4.18 | 4.29 | -0.11 |
| Aug | 3.72 | 3.81 | -0.09 |
| Sep | 4.00 | 4.12 | -0.12 |
| Oct | 3.98 | 4.28 | -0.30 |
| Nov | 3.57 | 3.80 | -0.23 |
| Dec | 3.27 | 3.73 | -0.46 |
42.29 | 44.47 | -2.18 |