| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.45 | 1.52 | -0.07 |
| Feb | 1.52 | 1.59 | -0.07 |
| Mar | 2.19 | 2.19 | 0.00 |
| Apr | 3.78 | 3.93 | -0.15 |
| May | 4.23 | 4.44 | -0.21 |
| Jun | 5.52 | 5.47 | 0.05 |
| Jul | 4.56 | 4.50 | 0.06 |
| Aug | 4.14 | 4.24 | -0.10 |
| Sep | 3.64 | 3.55 | 0.09 |
| Oct | 2.91 | 2.90 | 0.01 |
| Nov | 2.27 | 2.27 | 0.00 |
| Dec | 1.67 | 1.75 | -0.08 |
37.88 | 38.35 | -0.47 |