| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.46 | 1.50 | -0.04 |
| Feb | 1.53 | 1.57 | -0.04 |
| Mar | 2.17 | 2.15 | 0.02 |
| Apr | 3.76 | 3.87 | -0.11 |
| May | 4.19 | 4.36 | -0.17 |
| Jun | 5.55 | 5.45 | 0.10 |
| Jul | 4.46 | 4.38 | 0.08 |
| Aug | 4.11 | 4.24 | -0.13 |
| Sep | 3.60 | 3.56 | 0.04 |
| Oct | 2.93 | 2.90 | 0.03 |
| Nov | 2.29 | 2.27 | 0.02 |
| Dec | 1.67 | 1.75 | -0.08 |
37.72 | 38.00 | -0.28 |