| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.77 | -0.12 |
| Feb | 3.31 | 3.53 | -0.22 |
| Mar | 4.09 | 4.31 | -0.22 |
| Apr | 4.14 | 4.30 | -0.16 |
| May | 3.66 | 3.77 | -0.11 |
| Jun | 4.23 | 4.34 | -0.11 |
| Jul | 3.30 | 3.40 | -0.10 |
| Aug | 3.28 | 3.31 | -0.03 |
| Sep | 4.09 | 3.98 | 0.11 |
| Oct | 5.03 | 5.18 | -0.15 |
| Nov | 4.45 | 4.58 | -0.13 |
| Dec | 4.48 | 4.74 | -0.26 |
47.71 | 49.21 | -1.50 |