| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.97 | 1.83 | 0.14 |
| Feb | 2.01 | 1.93 | 0.08 |
| Mar | 2.00 | 1.74 | 0.26 |
| Apr | 2.70 | 2.30 | 0.40 |
| May | 4.25 | 4.01 | 0.24 |
| Jun | 7.25 | 6.61 | 0.64 |
| Jul | 4.98 | 4.72 | 0.26 |
| Aug | 6.72 | 6.35 | 0.37 |
| Sep | 8.53 | 7.44 | 1.09 |
| Oct | 5.96 | 5.85 | 0.11 |
| Nov | 2.83 | 2.51 | 0.32 |
| Dec | 1.92 | 2.09 | -0.17 |
51.12 | 47.38 | 3.74 |