| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.79 | 0.02 |
| Feb | 0.97 | 1.01 | -0.04 |
| Mar | 1.87 | 1.79 | 0.08 |
| Apr | 3.26 | 3.32 | -0.06 |
| May | 4.87 | 4.87 | 0.00 |
| Jun | 4.99 | 4.88 | 0.11 |
| Jul | 3.74 | 3.62 | 0.12 |
| Aug | 4.02 | 4.03 | -0.01 |
| Sep | 3.15 | 2.99 | 0.16 |
| Oct | 2.48 | 2.50 | -0.02 |
| Nov | 1.36 | 1.36 | 0.00 |
| Dec | 1.27 | 1.30 | -0.03 |
32.79 | 32.46 | 0.33 |