| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.67 | -0.20 |
| Feb | 2.87 | 2.88 | -0.01 |
| Mar | 3.87 | 3.85 | 0.02 |
| Apr | 3.40 | 3.66 | -0.26 |
| May | 3.81 | 4.07 | -0.26 |
| Jun | 4.44 | 4.62 | -0.18 |
| Jul | 5.50 | 5.32 | 0.18 |
| Aug | 5.21 | 5.54 | -0.33 |
| Sep | 5.11 | 5.27 | -0.16 |
| Oct | 3.95 | 4.19 | -0.24 |
| Nov | 3.20 | 3.40 | -0.20 |
| Dec | 3.28 | 3.54 | -0.26 |
48.11 | 50.01 | -1.90 |