| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.43 | -0.24 |
| Feb | 2.50 | 2.66 | -0.16 |
| Mar | 3.49 | 3.58 | -0.09 |
| Apr | 4.65 | 4.97 | -0.32 |
| May | 4.91 | 5.05 | -0.14 |
| Jun | 5.10 | 5.33 | -0.23 |
| Jul | 4.56 | 4.48 | 0.08 |
| Aug | 3.19 | 3.19 | 0.00 |
| Sep | 3.45 | 3.60 | -0.15 |
| Oct | 3.58 | 3.68 | -0.10 |
| Nov | 3.68 | 3.81 | -0.13 |
| Dec | 3.13 | 3.33 | -0.20 |
45.43 | 47.11 | -1.68 |