| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 3.90 | -0.05 |
| Feb | 3.43 | 3.59 | -0.16 |
| Mar | 3.88 | 4.02 | -0.14 |
| Apr | 3.32 | 3.55 | -0.23 |
| May | 4.14 | 4.22 | -0.08 |
| Jun | 5.19 | 5.04 | 0.15 |
| Jul | 6.28 | 7.09 | -0.81 |
| Aug | 7.07 | 7.70 | -0.63 |
| Sep | 8.12 | 9.40 | -1.28 |
| Oct | 4.70 | 5.05 | -0.35 |
| Nov | 3.62 | 3.82 | -0.20 |
| Dec | 3.66 | 4.00 | -0.34 |
57.26 | 61.38 | -4.12 |