| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.58 | -0.09 |
| Feb | 2.11 | 2.22 | -0.11 |
| Mar | 2.90 | 2.95 | -0.05 |
| Apr | 4.54 | 4.67 | -0.13 |
| May | 4.38 | 4.31 | 0.07 |
| Jun | 4.77 | 4.77 | 0.00 |
| Jul | 4.17 | 4.11 | 0.06 |
| Aug | 2.97 | 2.77 | 0.20 |
| Sep | 2.95 | 2.98 | -0.03 |
| Oct | 3.55 | 3.59 | -0.04 |
| Nov | 3.49 | 3.54 | -0.05 |
| Dec | 2.44 | 2.65 | -0.21 |
40.76 | 41.14 | -0.38 |