| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.31 | 2.28 | 0.03 |
| Feb | 2.04 | 1.97 | 0.07 |
| Mar | 2.88 | 2.80 | 0.08 |
| Apr | 4.39 | 4.15 | 0.24 |
| May | 4.72 | 4.69 | 0.03 |
| Jun | 4.54 | 4.35 | 0.19 |
| Jul | 3.64 | 3.53 | 0.11 |
| Aug | 3.35 | 3.17 | 0.18 |
| Sep | 3.12 | 3.11 | 0.01 |
| Oct | 3.25 | 3.19 | 0.06 |
| Nov | 3.16 | 3.20 | -0.04 |
| Dec | 2.30 | 2.30 | 0.00 |
39.70 | 38.74 | 0.96 |