| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.94 | -0.07 |
| Feb | 1.13 | 1.23 | -0.10 |
| Mar | 2.06 | 2.02 | 0.04 |
| Apr | 3.70 | 3.42 | 0.28 |
| May | 5.01 | 4.72 | 0.29 |
| Jun | 4.88 | 4.88 | 0.00 |
| Jul | 3.99 | 3.75 | 0.24 |
| Aug | 3.90 | 3.74 | 0.16 |
| Sep | 3.42 | 3.24 | 0.18 |
| Oct | 2.50 | 2.52 | -0.02 |
| Nov | 1.74 | 1.76 | -0.02 |
| Dec | 1.33 | 1.39 | -0.06 |
34.53 | 33.61 | 0.92 |