| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.69 | 0.06 |
| Feb | 0.82 | 0.80 | 0.02 |
| Mar | 1.69 | 1.58 | 0.11 |
| Apr | 3.19 | 3.10 | 0.09 |
| May | 4.53 | 4.24 | 0.29 |
| Jun | 4.82 | 4.77 | 0.05 |
| Jul | 3.78 | 3.79 | -0.01 |
| Aug | 3.92 | 3.72 | 0.20 |
| Sep | 3.21 | 3.11 | 0.10 |
| Oct | 2.44 | 2.35 | 0.09 |
| Nov | 1.50 | 1.33 | 0.17 |
| Dec | 0.92 | 0.93 | -0.01 |
31.57 | 30.41 | 1.16 |