| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.53 | 0.16 |
| Feb | 2.81 | 2.96 | -0.15 |
| Mar | 3.55 | 3.69 | -0.14 |
| Apr | 3.82 | 4.10 | -0.28 |
| May | 3.53 | 3.50 | 0.03 |
| Jun | 4.00 | 3.99 | 0.01 |
| Jul | 3.21 | 3.17 | 0.04 |
| Aug | 3.13 | 3.23 | -0.10 |
| Sep | 3.83 | 3.65 | 0.18 |
| Oct | 4.95 | 4.98 | -0.03 |
| Nov | 4.32 | 4.36 | -0.04 |
| Dec | 4.33 | 4.53 | -0.20 |
45.17 | 45.69 | -0.52 |