| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.73 | 0.05 |
| Feb | 0.80 | 0.83 | -0.03 |
| Mar | 1.49 | 1.49 | 0.00 |
| Apr | 2.76 | 2.80 | -0.04 |
| May | 3.96 | 3.91 | 0.05 |
| Jun | 4.27 | 4.32 | -0.05 |
| Jul | 4.37 | 4.24 | 0.13 |
| Aug | 3.99 | 4.05 | -0.06 |
| Sep | 3.33 | 3.26 | 0.07 |
| Oct | 2.93 | 2.88 | 0.05 |
| Nov | 1.61 | 1.56 | 0.05 |
| Dec | 1.10 | 1.09 | 0.01 |
31.39 | 31.16 | 0.23 |