| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.84 | 0.79 | 0.05 |
| Feb | 1.25 | 1.26 | -0.01 |
| Mar | 2.32 | 2.28 | 0.04 |
| Apr | 3.03 | 2.81 | 0.22 |
| May | 5.11 | 5.02 | 0.09 |
| Jun | 4.84 | 4.58 | 0.26 |
| Jul | 4.10 | 3.99 | 0.11 |
| Aug | 3.97 | 3.92 | 0.05 |
| Sep | 2.57 | 2.55 | 0.02 |
| Oct | 2.92 | 2.76 | 0.16 |
| Nov | 1.51 | 1.47 | 0.04 |
| Dec | 1.21 | 1.18 | 0.03 |
33.67 | 32.61 | 1.06 |