| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.03 | 1.19 | -0.16 |
| Feb | 1.26 | 1.40 | -0.14 |
| Mar | 2.00 | 2.13 | -0.13 |
| Apr | 3.85 | 3.88 | -0.03 |
| May | 4.45 | 4.67 | -0.22 |
| Jun | 5.63 | 5.70 | -0.07 |
| Jul | 4.33 | 4.41 | -0.08 |
| Aug | 4.25 | 4.26 | -0.01 |
| Sep | 3.64 | 3.92 | -0.28 |
| Oct | 2.92 | 2.99 | -0.07 |
| Nov | 2.14 | 2.20 | -0.06 |
| Dec | 1.57 | 1.67 | -0.10 |
37.07 | 38.42 | -1.35 |