| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 4.25 | -0.22 |
| Feb | 2.95 | 3.19 | -0.24 |
| Mar | 3.57 | 3.69 | -0.12 |
| Apr | 3.98 | 4.13 | -0.15 |
| May | 5.18 | 5.25 | -0.07 |
| Jun | 5.70 | 5.80 | -0.10 |
| Jul | 4.23 | 4.60 | -0.37 |
| Aug | 5.05 | 5.38 | -0.33 |
| Sep | 5.19 | 5.60 | -0.41 |
| Oct | 5.01 | 5.01 | 0.00 |
| Nov | 4.20 | 4.63 | -0.43 |
| Dec | 4.04 | 4.20 | -0.16 |
53.13 | 55.73 | -2.60 |