| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.69 | 0.04 |
| Feb | 3.02 | 3.00 | 0.02 |
| Mar | 4.01 | 3.96 | 0.05 |
| Apr | 3.58 | 3.58 | 0.00 |
| May | 3.52 | 3.47 | 0.05 |
| Jun | 4.58 | 4.61 | -0.03 |
| Jul | 5.26 | 5.30 | -0.04 |
| Aug | 5.22 | 5.23 | -0.01 |
| Sep | 5.79 | 5.60 | 0.19 |
| Oct | 3.40 | 3.52 | -0.12 |
| Nov | 3.18 | 3.19 | -0.01 |
| Dec | 3.38 | 3.38 | 0.00 |
48.67 | 48.53 | 0.14 |