| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.93 | -0.04 |
| Feb | 0.93 | 0.90 | 0.03 |
| Mar | 1.61 | 1.57 | 0.04 |
| Apr | 2.78 | 2.83 | -0.05 |
| May | 4.01 | 3.84 | 0.17 |
| Jun | 4.41 | 4.29 | 0.12 |
| Jul | 4.23 | 3.99 | 0.24 |
| Aug | 4.16 | 4.17 | -0.01 |
| Sep | 3.47 | 3.47 | 0.00 |
| Oct | 3.03 | 3.03 | 0.00 |
| Nov | 1.74 | 1.75 | -0.01 |
| Dec | 1.22 | 1.21 | 0.01 |
32.48 | 31.98 | 0.50 |