| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.78 | 0.03 |
| Feb | 1.20 | 1.22 | -0.02 |
| Mar | 2.20 | 2.21 | -0.01 |
| Apr | 3.20 | 3.17 | 0.03 |
| May | 4.97 | 4.97 | 0.00 |
| Jun | 4.60 | 4.50 | 0.10 |
| Jul | 4.44 | 4.34 | 0.10 |
| Aug | 4.21 | 4.22 | -0.01 |
| Sep | 3.06 | 3.09 | -0.03 |
| Oct | 2.54 | 2.46 | 0.08 |
| Nov | 1.56 | 1.54 | 0.02 |
| Dec | 1.22 | 1.22 | 0.00 |
34.01 | 33.72 | 0.29 |