| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.44 | 1.49 | -0.05 |
| Feb | 1.49 | 1.56 | -0.07 |
| Mar | 2.18 | 2.17 | 0.01 |
| Apr | 3.76 | 3.91 | -0.15 |
| May | 4.23 | 4.42 | -0.19 |
| Jun | 5.49 | 5.46 | 0.03 |
| Jul | 4.64 | 4.47 | 0.17 |
| Aug | 4.18 | 4.24 | -0.06 |
| Sep | 3.66 | 3.51 | 0.15 |
| Oct | 2.89 | 2.90 | -0.01 |
| Nov | 2.26 | 2.27 | -0.01 |
| Dec | 1.67 | 1.75 | -0.08 |
37.89 | 38.15 | -0.26 |