| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 0.95 | 0.02 |
| Feb | 1.02 | 1.01 | 0.01 |
| Mar | 1.94 | 1.87 | 0.07 |
| Apr | 3.36 | 3.32 | 0.04 |
| May | 4.36 | 4.29 | 0.07 |
| Jun | 5.36 | 5.20 | 0.16 |
| Jul | 4.22 | 4.27 | -0.05 |
| Aug | 4.52 | 4.66 | -0.14 |
| Sep | 3.63 | 3.60 | 0.03 |
| Oct | 2.50 | 2.46 | 0.04 |
| Nov | 1.77 | 1.67 | 0.10 |
| Dec | 1.28 | 1.24 | 0.04 |
34.93 | 34.54 | 0.39 |