| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.56 | -0.03 |
| Feb | 3.03 | 3.09 | -0.06 |
| Mar | 4.28 | 4.46 | -0.18 |
| Apr | 5.23 | 5.26 | -0.03 |
| May | 5.67 | 5.72 | -0.05 |
| Jun | 5.09 | 4.93 | 0.16 |
| Jul | 4.43 | 4.33 | 0.10 |
| Aug | 3.33 | 2.89 | 0.44 |
| Sep | 3.63 | 3.81 | -0.18 |
| Oct | 3.49 | 3.49 | 0.00 |
| Nov | 3.98 | 4.03 | -0.05 |
| Dec | 3.66 | 3.79 | -0.13 |
49.35 | 49.36 | -0.01 |