| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.77 | 4.05 | -0.28 |
| Feb | 3.23 | 3.44 | -0.21 |
| Mar | 4.10 | 4.24 | -0.14 |
| Apr | 4.02 | 4.28 | -0.26 |
| May | 3.94 | 4.01 | -0.07 |
| Jun | 4.44 | 4.63 | -0.19 |
| Jul | 4.11 | 4.27 | -0.16 |
| Aug | 4.53 | 4.60 | -0.07 |
| Sep | 3.74 | 3.99 | -0.25 |
| Oct | 3.45 | 3.43 | 0.02 |
| Nov | 3.42 | 3.52 | -0.10 |
| Dec | 3.92 | 4.19 | -0.27 |
46.67 | 48.65 | -1.98 |