| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.41 | 0.03 |
| Feb | 2.00 | 2.10 | -0.10 |
| Mar | 2.36 | 2.42 | -0.06 |
| Apr | 3.63 | 3.57 | 0.06 |
| May | 4.44 | 4.30 | 0.14 |
| Jun | 3.85 | 3.91 | -0.06 |
| Jul | 3.66 | 3.64 | 0.02 |
| Aug | 3.66 | 3.94 | -0.28 |
| Sep | 3.15 | 3.12 | 0.03 |
| Oct | 2.95 | 2.90 | 0.05 |
| Nov | 3.00 | 2.99 | 0.01 |
| Dec | 2.38 | 2.37 | 0.01 |
37.52 | 37.67 | -0.15 |