| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.60 | 4.47 | 0.13 |
| Feb | 4.90 | 4.90 | 0.00 |
| Mar | 5.24 | 5.22 | 0.02 |
| Apr | 4.95 | 5.09 | -0.14 |
| May | 5.01 | 5.20 | -0.19 |
| Jun | 4.68 | 4.57 | 0.11 |
| Jul | 4.33 | 4.69 | -0.36 |
| Aug | 3.68 | 3.69 | -0.01 |
| Sep | 4.05 | 4.13 | -0.08 |
| Oct | 3.76 | 3.74 | 0.02 |
| Nov | 3.86 | 3.82 | 0.04 |
| Dec | 5.30 | 5.47 | -0.17 |
54.36 | 54.99 | -0.63 |