| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.74 | 0.01 |
| Feb | 1.05 | 1.13 | -0.08 |
| Mar | 2.01 | 1.96 | 0.05 |
| Apr | 3.12 | 3.18 | -0.06 |
| May | 4.99 | 5.16 | -0.17 |
| Jun | 4.76 | 4.79 | -0.03 |
| Jul | 4.35 | 4.19 | 0.16 |
| Aug | 4.18 | 4.35 | -0.17 |
| Sep | 2.73 | 2.88 | -0.15 |
| Oct | 2.44 | 2.45 | -0.01 |
| Nov | 1.51 | 1.45 | 0.06 |
| Dec | 1.21 | 1.23 | -0.02 |
33.10 | 33.51 | -0.41 |