| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.05 | -0.03 |
| Feb | 2.68 | 2.85 | -0.17 |
| Mar | 3.86 | 3.87 | -0.01 |
| Apr | 3.33 | 3.34 | -0.01 |
| May | 3.99 | 4.18 | -0.19 |
| Jun | 4.30 | 4.29 | 0.01 |
| Jul | 4.45 | 4.35 | 0.10 |
| Aug | 4.20 | 4.30 | -0.10 |
| Sep | 4.47 | 4.36 | 0.11 |
| Oct | 3.68 | 3.95 | -0.27 |
| Nov | 3.10 | 3.26 | -0.16 |
| Dec | 3.61 | 3.76 | -0.15 |
44.69 | 45.56 | -0.87 |