| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.79 | 1.97 | -0.18 |
| Feb | 1.99 | 2.08 | -0.09 |
| Mar | 2.92 | 3.01 | -0.09 |
| Apr | 4.58 | 4.73 | -0.15 |
| May | 5.67 | 5.60 | 0.07 |
| Jun | 4.92 | 4.95 | -0.03 |
| Jul | 4.41 | 4.12 | 0.29 |
| Aug | 3.77 | 3.91 | -0.14 |
| Sep | 4.20 | 4.10 | 0.10 |
| Oct | 3.38 | 3.43 | -0.05 |
| Nov | 3.14 | 3.14 | 0.00 |
| Dec | 2.15 | 2.24 | -0.09 |
42.92 | 43.28 | -0.36 |