| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.00 | 2.22 | -0.22 |
| Feb | 2.05 | 2.27 | -0.22 |
| Mar | 2.95 | 3.17 | -0.22 |
| Apr | 4.68 | 4.58 | 0.10 |
| May | 4.96 | 4.98 | -0.02 |
| Jun | 4.54 | 4.67 | -0.13 |
| Jul | 4.47 | 4.41 | 0.06 |
| Aug | 3.70 | 3.88 | -0.18 |
| Sep | 3.94 | 3.95 | -0.01 |
| Oct | 3.56 | 3.48 | 0.08 |
| Nov | 2.82 | 2.81 | 0.01 |
| Dec | 2.14 | 2.15 | -0.01 |
41.81 | 42.57 | -0.76 |