| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.73 | 1.68 | 0.05 |
| Feb | 1.61 | 1.72 | -0.11 |
| Mar | 2.19 | 2.26 | -0.07 |
| Apr | 3.76 | 3.67 | 0.09 |
| May | 4.43 | 4.37 | 0.06 |
| Jun | 4.90 | 4.93 | -0.03 |
| Jul | 3.88 | 3.82 | 0.06 |
| Aug | 3.99 | 3.92 | 0.07 |
| Sep | 3.44 | 3.62 | -0.18 |
| Oct | 2.96 | 2.88 | 0.08 |
| Nov | 2.39 | 2.37 | 0.02 |
| Dec | 1.98 | 1.97 | 0.01 |
37.26 | 37.21 | 0.05 |