| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.75 | 1.65 | 0.10 |
| Feb | 1.59 | 1.66 | -0.07 |
| Mar | 2.36 | 2.34 | 0.02 |
| Apr | 2.55 | 2.37 | 0.18 |
| May | 3.87 | 3.58 | 0.29 |
| Jun | 3.52 | 3.02 | 0.50 |
| Jul | 2.19 | 2.23 | -0.04 |
| Aug | 2.49 | 2.88 | -0.39 |
| Sep | 3.67 | 3.66 | 0.01 |
| Oct | 2.90 | 2.76 | 0.14 |
| Nov | 2.15 | 2.32 | -0.17 |
| Dec | 1.91 | 1.99 | -0.08 |
30.95 | 30.46 | 0.49 |