| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.54 | -0.07 |
| Feb | 1.75 | 1.71 | 0.04 |
| Mar | 2.93 | 3.03 | -0.10 |
| Apr | 4.32 | 4.26 | 0.06 |
| May | 6.23 | 5.86 | 0.37 |
| Jun | 5.14 | 5.07 | 0.07 |
| Jul | 3.60 | 3.74 | -0.14 |
| Aug | 3.60 | 3.26 | 0.34 |
| Sep | 3.64 | 3.49 | 0.15 |
| Oct | 3.53 | 3.43 | 0.10 |
| Nov | 2.37 | 2.41 | -0.04 |
| Dec | 1.99 | 2.09 | -0.10 |
40.57 | 39.89 | 0.68 |