| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.29 | -0.01 |
| Feb | 2.86 | 2.74 | 0.12 |
| Mar | 3.36 | 3.30 | 0.06 |
| Apr | 2.57 | 2.58 | -0.01 |
| May | 3.33 | 3.08 | 0.25 |
| Jun | 7.59 | 7.79 | -0.20 |
| Jul | 7.27 | 7.50 | -0.23 |
| Aug | 7.95 | 7.80 | 0.15 |
| Sep | 6.03 | 6.26 | -0.23 |
| Oct | 2.88 | 2.89 | -0.01 |
| Nov | 2.04 | 2.03 | 0.01 |
| Dec | 2.70 | 2.70 | 0.00 |
51.86 | 51.96 | -0.10 |