| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.87 | -0.11 |
| Feb | 0.90 | 0.92 | -0.02 |
| Mar | 1.55 | 1.74 | -0.19 |
| Apr | 3.08 | 2.95 | 0.13 |
| May | 4.14 | 4.13 | 0.01 |
| Jun | 4.66 | 5.04 | -0.38 |
| Jul | 4.07 | 4.25 | -0.18 |
| Aug | 4.06 | 4.01 | 0.05 |
| Sep | 3.17 | 3.23 | -0.06 |
| Oct | 2.33 | 2.43 | -0.10 |
| Nov | 1.49 | 1.51 | -0.02 |
| Dec | 1.08 | 1.13 | -0.05 |
31.29 | 32.21 | -0.92 |