| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.84 | 5.43 | -0.59 |
| Feb | 4.36 | 4.53 | -0.17 |
| Mar | 5.06 | 5.21 | -0.15 |
| Apr | 5.01 | 5.65 | -0.64 |
| May | 3.96 | 4.40 | -0.44 |
| Jun | 6.22 | 6.85 | -0.63 |
| Jul | 7.58 | 8.29 | -0.71 |
| Aug | 6.74 | 7.00 | -0.26 |
| Sep | 6.42 | 6.46 | -0.04 |
| Oct | 4.19 | 4.27 | -0.08 |
| Nov | 4.25 | 4.44 | -0.19 |
| Dec | 5.02 | 5.16 | -0.14 |
63.65 | 67.69 | -4.04 |