| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.67 | 1.83 | -0.16 |
| Feb | 1.99 | 2.02 | -0.03 |
| Mar | 2.84 | 2.77 | 0.07 |
| Apr | 4.57 | 4.46 | 0.11 |
| May | 5.23 | 5.40 | -0.17 |
| Jun | 4.90 | 5.14 | -0.24 |
| Jul | 4.41 | 4.41 | 0.00 |
| Aug | 3.54 | 3.86 | -0.32 |
| Sep | 4.11 | 4.41 | -0.30 |
| Oct | 3.43 | 3.40 | 0.03 |
| Nov | 2.83 | 2.91 | -0.08 |
| Dec | 2.00 | 2.09 | -0.09 |
41.52 | 42.70 | -1.18 |