| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.86 | 3.05 | -0.19 |
| Feb | 2.34 | 2.63 | -0.29 |
| Mar | 3.08 | 3.27 | -0.19 |
| Apr | 4.63 | 4.66 | -0.03 |
| May | 4.52 | 4.80 | -0.28 |
| Jun | 5.15 | 5.07 | 0.08 |
| Jul | 4.17 | 4.43 | -0.26 |
| Aug | 3.24 | 3.43 | -0.19 |
| Sep | 3.07 | 3.10 | -0.03 |
| Oct | 3.55 | 3.66 | -0.11 |
| Nov | 3.47 | 3.65 | -0.18 |
| Dec | 2.88 | 2.91 | -0.03 |
42.96 | 44.66 | -1.70 |