| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.41 | 7.33 | -0.92 |
| Feb | 4.72 | 5.30 | -0.58 |
| Mar | 4.54 | 4.99 | -0.45 |
| Apr | 2.81 | 3.00 | -0.19 |
| May | 1.74 | 1.73 | 0.01 |
| Jun | 0.79 | 0.75 | 0.04 |
| Jul | 0.30 | 0.33 | -0.03 |
| Aug | 0.29 | 0.25 | 0.04 |
| Sep | 0.67 | 0.67 | 0.00 |
| Oct | 2.33 | 2.47 | -0.14 |
| Nov | 5.16 | 5.67 | -0.51 |
| Dec | 7.56 | 8.47 | -0.91 |
37.32 | 40.96 | -3.64 |