| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.26 | 0.14 |
| Feb | 2.75 | 2.81 | -0.06 |
| Mar | 3.32 | 3.24 | 0.08 |
| Apr | 3.13 | 3.27 | -0.14 |
| May | 4.98 | 4.75 | 0.23 |
| Jun | 3.95 | 3.99 | -0.04 |
| Jul | 2.32 | 2.07 | 0.25 |
| Aug | 3.32 | 3.18 | 0.14 |
| Sep | 3.60 | 3.50 | 0.10 |
| Oct | 4.65 | 4.50 | 0.15 |
| Nov | 3.70 | 3.68 | 0.02 |
| Dec | 3.44 | 3.45 | -0.01 |
42.56 | 41.70 | 0.86 |