| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.11 | -0.05 |
| Feb | 2.97 | 2.87 | 0.10 |
| Mar | 3.58 | 3.69 | -0.11 |
| Apr | 4.13 | 4.10 | 0.03 |
| May | 4.48 | 4.30 | 0.18 |
| Jun | 4.20 | 4.33 | -0.13 |
| Jul | 4.04 | 3.89 | 0.15 |
| Aug | 3.16 | 3.19 | -0.03 |
| Sep | 3.21 | 3.00 | 0.21 |
| Oct | 2.92 | 2.93 | -0.01 |
| Nov | 2.85 | 2.89 | -0.04 |
| Dec | 3.37 | 3.20 | 0.17 |
41.97 | 41.50 | 0.47 |