| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.67 | -0.09 |
| Feb | 2.74 | 2.93 | -0.19 |
| Mar | 3.94 | 4.19 | -0.25 |
| Apr | 4.03 | 4.04 | -0.01 |
| May | 4.13 | 4.11 | 0.02 |
| Jun | 4.64 | 4.74 | -0.10 |
| Jul | 4.78 | 4.66 | 0.12 |
| Aug | 4.62 | 4.54 | 0.08 |
| Sep | 4.49 | 4.38 | 0.11 |
| Oct | 4.44 | 4.48 | -0.04 |
| Nov | 3.49 | 3.62 | -0.13 |
| Dec | 4.41 | 4.46 | -0.05 |
49.29 | 49.82 | -0.53 |