| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.88 | -0.12 |
| Feb | 2.38 | 2.46 | -0.08 |
| Mar | 3.38 | 3.34 | 0.04 |
| Apr | 3.57 | 3.62 | -0.05 |
| May | 4.18 | 4.21 | -0.03 |
| Jun | 3.99 | 4.00 | -0.01 |
| Jul | 3.66 | 3.61 | 0.05 |
| Aug | 3.37 | 3.38 | -0.01 |
| Sep | 3.74 | 3.85 | -0.11 |
| Oct | 3.07 | 3.04 | 0.03 |
| Nov | 2.92 | 2.90 | 0.02 |
| Dec | 3.15 | 3.23 | -0.08 |
40.17 | 40.52 | -0.35 |