| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.93 | -0.35 |
| Feb | 2.23 | 2.49 | -0.26 |
| Mar | 3.22 | 3.37 | -0.15 |
| Apr | 3.20 | 3.41 | -0.21 |
| May | 3.33 | 3.45 | -0.12 |
| Jun | 4.15 | 4.05 | 0.10 |
| Jul | 3.58 | 3.65 | -0.07 |
| Aug | 4.00 | 4.14 | -0.14 |
| Sep | 3.87 | 3.96 | -0.09 |
| Oct | 4.46 | 4.57 | -0.11 |
| Nov | 2.99 | 3.19 | -0.20 |
| Dec | 3.43 | 3.73 | -0.30 |
41.04 | 42.94 | -1.90 |