| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.53 | 2.47 | 0.06 |
| Feb | 2.30 | 2.46 | -0.16 |
| Mar | 3.00 | 3.12 | -0.12 |
| Apr | 3.17 | 3.37 | -0.20 |
| May | 3.37 | 3.29 | 0.08 |
| Jun | 4.14 | 3.99 | 0.15 |
| Jul | 3.77 | 4.17 | -0.40 |
| Aug | 3.77 | 3.49 | 0.28 |
| Sep | 3.63 | 3.23 | 0.40 |
| Oct | 3.95 | 4.19 | -0.24 |
| Nov | 2.87 | 2.91 | -0.04 |
| Dec | 3.07 | 3.11 | -0.04 |
39.57 | 39.80 | -0.23 |