| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 0.91 | 0.06 |
| Feb | 1.00 | 0.95 | 0.05 |
| Mar | 1.84 | 1.66 | 0.18 |
| Apr | 3.13 | 3.09 | 0.04 |
| May | 4.29 | 4.17 | 0.12 |
| Jun | 5.28 | 5.27 | 0.01 |
| Jul | 4.33 | 4.12 | 0.21 |
| Aug | 4.72 | 4.56 | 0.16 |
| Sep | 3.60 | 3.71 | -0.11 |
| Oct | 2.61 | 2.45 | 0.16 |
| Nov | 1.70 | 1.62 | 0.08 |
| Dec | 1.24 | 1.22 | 0.02 |
34.71 | 33.73 | 0.98 |