| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.38 | 1.48 | -0.10 |
| Feb | 1.80 | 1.81 | -0.01 |
| Mar | 2.80 | 2.83 | -0.03 |
| Apr | 4.32 | 4.30 | 0.02 |
| May | 5.23 | 5.30 | -0.07 |
| Jun | 4.92 | 5.03 | -0.11 |
| Jul | 4.65 | 4.92 | -0.27 |
| Aug | 3.90 | 3.98 | -0.08 |
| Sep | 4.00 | 4.15 | -0.15 |
| Oct | 3.19 | 3.17 | 0.02 |
| Nov | 2.45 | 2.49 | -0.04 |
| Dec | 1.89 | 1.88 | 0.01 |
40.53 | 41.34 | -0.81 |