| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.66 | 0.06 |
| Feb | 0.77 | 0.79 | -0.02 |
| Mar | 1.50 | 1.42 | 0.08 |
| Apr | 2.57 | 2.61 | -0.04 |
| May | 3.82 | 3.78 | 0.04 |
| Jun | 4.23 | 4.24 | -0.01 |
| Jul | 4.20 | 4.30 | -0.10 |
| Aug | 3.90 | 3.96 | -0.06 |
| Sep | 3.12 | 3.00 | 0.12 |
| Oct | 2.75 | 2.74 | 0.01 |
| Nov | 1.46 | 1.43 | 0.03 |
| Dec | 0.93 | 0.99 | -0.06 |
29.97 | 29.92 | 0.05 |