| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.09 | 1.03 | 0.06 |
| Feb | 1.16 | 1.09 | 0.07 |
| Mar | 1.91 | 1.90 | 0.01 |
| Apr | 3.28 | 3.22 | 0.06 |
| May | 4.22 | 4.20 | 0.02 |
| Jun | 4.95 | 4.96 | -0.01 |
| Jul | 3.75 | 3.92 | -0.17 |
| Aug | 4.43 | 4.37 | 0.06 |
| Sep | 3.67 | 3.76 | -0.09 |
| Oct | 2.69 | 2.56 | 0.13 |
| Nov | 1.87 | 1.82 | 0.05 |
| Dec | 1.30 | 1.36 | -0.06 |
34.32 | 34.19 | 0.13 |