| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.51 | -0.16 |
| Feb | 3.18 | 3.34 | -0.16 |
| Mar | 3.41 | 3.53 | -0.12 |
| Apr | 3.24 | 3.22 | 0.02 |
| May | 3.30 | 3.63 | -0.33 |
| Jun | 5.59 | 5.76 | -0.17 |
| Jul | 5.68 | 6.04 | -0.36 |
| Aug | 6.20 | 6.34 | -0.14 |
| Sep | 4.92 | 5.20 | -0.28 |
| Oct | 4.08 | 4.12 | -0.04 |
| Nov | 2.84 | 2.87 | -0.03 |
| Dec | 3.37 | 3.59 | -0.22 |
49.16 | 51.15 | -1.99 |