| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 3.10 | -0.11 |
| Feb | 2.61 | 2.54 | 0.07 |
| Mar | 3.29 | 3.25 | 0.04 |
| Apr | 2.44 | 2.54 | -0.10 |
| May | 3.35 | 3.38 | -0.03 |
| Jun | 7.62 | 7.48 | 0.14 |
| Jul | 7.29 | 7.16 | 0.13 |
| Aug | 7.70 | 7.71 | -0.01 |
| Sep | 6.07 | 6.30 | -0.23 |
| Oct | 2.80 | 2.90 | -0.10 |
| Nov | 2.00 | 2.07 | -0.07 |
| Dec | 2.44 | 2.50 | -0.06 |
50.60 | 50.93 | -0.33 |