| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.99 | 5.13 | -0.14 |
| Feb | 4.91 | 5.02 | -0.11 |
| Mar | 5.08 | 5.14 | -0.06 |
| Apr | 4.22 | 4.31 | -0.09 |
| May | 4.16 | 4.11 | 0.05 |
| Jun | 4.67 | 4.59 | 0.08 |
| Jul | 4.48 | 4.69 | -0.21 |
| Aug | 4.80 | 4.92 | -0.12 |
| Sep | 4.00 | 4.11 | -0.11 |
| Oct | 3.88 | 3.90 | -0.02 |
| Nov | 4.34 | 4.33 | 0.01 |
| Dec | 4.97 | 5.03 | -0.06 |
54.50 | 55.28 | -0.78 |