| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.95 | 2.88 | 0.07 |
| Feb | 2.29 | 2.27 | 0.02 |
| Mar | 3.32 | 3.18 | 0.14 |
| Apr | 3.61 | 3.55 | 0.06 |
| May | 4.07 | 3.87 | 0.20 |
| Jun | 4.03 | 4.01 | 0.02 |
| Jul | 3.98 | 4.02 | -0.04 |
| Aug | 3.76 | 3.82 | -0.06 |
| Sep | 4.40 | 4.12 | 0.28 |
| Oct | 3.73 | 3.66 | 0.07 |
| Nov | 3.10 | 3.07 | 0.03 |
| Dec | 3.18 | 3.22 | -0.04 |
42.42 | 41.67 | 0.75 |