| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.85 | 1.93 | -0.08 |
| Feb | 1.76 | 1.89 | -0.13 |
| Mar | 2.24 | 2.27 | -0.03 |
| Apr | 3.76 | 3.70 | 0.06 |
| May | 4.32 | 4.46 | -0.14 |
| Jun | 4.51 | 4.29 | 0.22 |
| Jul | 3.80 | 3.66 | 0.14 |
| Aug | 3.82 | 3.80 | 0.02 |
| Sep | 3.34 | 3.33 | 0.01 |
| Oct | 3.18 | 3.24 | -0.06 |
| Nov | 2.44 | 2.37 | 0.07 |
| Dec | 2.07 | 2.07 | 0.00 |
37.09 | 37.01 | 0.08 |