| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 0.97 | 0.02 |
| Feb | 1.00 | 1.01 | -0.01 |
| Mar | 1.94 | 1.92 | 0.02 |
| Apr | 3.40 | 3.38 | 0.02 |
| May | 4.48 | 4.32 | 0.16 |
| Jun | 5.38 | 5.31 | 0.07 |
| Jul | 4.36 | 4.26 | 0.10 |
| Aug | 4.37 | 4.47 | -0.10 |
| Sep | 3.67 | 3.51 | 0.16 |
| Oct | 2.48 | 2.36 | 0.12 |
| Nov | 1.76 | 1.66 | 0.10 |
| Dec | 1.23 | 1.22 | 0.01 |
35.06 | 34.39 | 0.67 |