| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.54 | 5.46 | -0.92 |
| Feb | 3.16 | 3.94 | -0.78 |
| Mar | 2.81 | 3.47 | -0.66 |
| Apr | 1.84 | 2.03 | -0.19 |
| May | 1.32 | 1.47 | -0.15 |
| Jun | 0.89 | 0.90 | -0.01 |
| Jul | 0.22 | 0.22 | 0.00 |
| Aug | 0.30 | 0.28 | 0.02 |
| Sep | 0.73 | 0.82 | -0.09 |
| Oct | 2.45 | 2.80 | -0.35 |
| Nov | 4.32 | 5.12 | -0.80 |
| Dec | 5.30 | 6.23 | -0.93 |
27.88 | 32.74 | -4.86 |