| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.45 | -0.27 |
| Feb | 2.72 | 2.92 | -0.20 |
| Mar | 4.24 | 4.37 | -0.13 |
| Apr | 3.48 | 3.51 | -0.03 |
| May | 3.25 | 3.40 | -0.15 |
| Jun | 4.27 | 4.16 | 0.11 |
| Jul | 4.64 | 4.53 | 0.11 |
| Aug | 4.67 | 4.69 | -0.02 |
| Sep | 3.90 | 3.87 | 0.03 |
| Oct | 3.88 | 3.99 | -0.11 |
| Nov | 3.18 | 3.19 | -0.01 |
| Dec | 4.07 | 4.33 | -0.26 |
45.48 | 46.41 | -0.93 |