| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.87 | 1.97 | -0.10 |
| Feb | 1.91 | 1.80 | 0.11 |
| Mar | 2.62 | 2.73 | -0.11 |
| Apr | 2.44 | 2.44 | 0.00 |
| May | 4.21 | 3.95 | 0.26 |
| Jun | 3.13 | 3.16 | -0.03 |
| Jul | 1.79 | 1.93 | -0.14 |
| Aug | 2.05 | 1.93 | 0.12 |
| Sep | 3.23 | 3.37 | -0.14 |
| Oct | 3.35 | 3.41 | -0.06 |
| Nov | 2.55 | 2.83 | -0.28 |
| Dec | 2.01 | 1.99 | 0.02 |
31.16 | 31.51 | -0.35 |