| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.73 | 0.01 |
| Feb | 0.82 | 0.83 | -0.01 |
| Mar | 1.57 | 1.57 | 0.00 |
| Apr | 3.07 | 3.15 | -0.08 |
| May | 4.15 | 4.05 | 0.10 |
| Jun | 4.86 | 4.80 | 0.06 |
| Jul | 3.68 | 3.42 | 0.26 |
| Aug | 3.52 | 3.43 | 0.09 |
| Sep | 3.16 | 3.24 | -0.08 |
| Oct | 2.38 | 2.33 | 0.05 |
| Nov | 1.40 | 1.38 | 0.02 |
| Dec | 0.94 | 0.97 | -0.03 |
30.29 | 29.90 | 0.39 |