| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.74 | 0.02 |
| Feb | 0.96 | 0.95 | 0.01 |
| Mar | 1.68 | 1.68 | 0.00 |
| Apr | 2.77 | 2.80 | -0.03 |
| May | 5.23 | 5.21 | 0.02 |
| Jun | 4.65 | 4.70 | -0.05 |
| Jul | 3.85 | 3.76 | 0.09 |
| Aug | 3.56 | 3.51 | 0.05 |
| Sep | 2.99 | 3.01 | -0.02 |
| Oct | 2.36 | 2.41 | -0.05 |
| Nov | 1.33 | 1.39 | -0.06 |
| Dec | 1.22 | 1.19 | 0.03 |
31.36 | 31.35 | 0.01 |