| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.66 | 4.70 | -0.04 |
| Feb | 4.21 | 4.25 | -0.04 |
| Mar | 4.87 | 4.97 | -0.10 |
| Apr | 3.76 | 3.90 | -0.14 |
| May | 3.01 | 3.11 | -0.10 |
| Jun | 6.24 | 6.64 | -0.40 |
| Jul | 6.53 | 6.67 | -0.14 |
| Aug | 6.07 | 6.60 | -0.53 |
| Sep | 5.06 | 5.07 | -0.01 |
| Oct | 3.15 | 3.17 | -0.02 |
| Nov | 3.03 | 3.26 | -0.23 |
| Dec | 4.06 | 4.13 | -0.07 |
54.65 | 56.47 | -1.82 |