| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.59 | 4.95 | -0.36 |
| Feb | 4.10 | 4.33 | -0.23 |
| Mar | 4.99 | 4.84 | 0.15 |
| Apr | 4.87 | 4.80 | 0.07 |
| May | 4.17 | 4.14 | 0.03 |
| Jun | 5.94 | 5.64 | 0.30 |
| Jul | 7.09 | 6.66 | 0.43 |
| Aug | 6.08 | 5.93 | 0.15 |
| Sep | 6.38 | 6.70 | -0.32 |
| Oct | 4.18 | 3.78 | 0.40 |
| Nov | 3.86 | 3.94 | -0.08 |
| Dec | 4.41 | 4.86 | -0.45 |
60.66 | 60.57 | 0.09 |