| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 0.90 | 0.07 |
| Feb | 1.00 | 0.95 | 0.05 |
| Mar | 1.87 | 1.66 | 0.21 |
| Apr | 3.15 | 3.10 | 0.05 |
| May | 4.27 | 4.18 | 0.09 |
| Jun | 5.32 | 5.27 | 0.05 |
| Jul | 4.27 | 4.14 | 0.13 |
| Aug | 4.69 | 4.56 | 0.13 |
| Sep | 3.64 | 3.72 | -0.08 |
| Oct | 2.60 | 2.45 | 0.15 |
| Nov | 1.71 | 1.62 | 0.09 |
| Dec | 1.27 | 1.22 | 0.05 |
34.76 | 33.77 | 0.99 |