| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.31 | -0.11 |
| Feb | 3.28 | 3.23 | 0.05 |
| Mar | 4.18 | 4.19 | -0.01 |
| Apr | 3.83 | 3.87 | -0.04 |
| May | 4.48 | 4.61 | -0.13 |
| Jun | 4.19 | 4.26 | -0.07 |
| Jul | 4.99 | 5.29 | -0.30 |
| Aug | 3.86 | 3.95 | -0.09 |
| Sep | 3.41 | 3.35 | 0.06 |
| Oct | 2.97 | 2.95 | 0.02 |
| Nov | 2.98 | 2.92 | 0.06 |
| Dec | 3.77 | 3.87 | -0.10 |
45.14 | 45.80 | -0.66 |