| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.50 | -0.02 |
| Feb | 0.70 | 0.68 | 0.02 |
| Mar | 1.35 | 1.31 | 0.04 |
| Apr | 2.93 | 2.99 | -0.06 |
| May | 4.19 | 4.06 | 0.13 |
| Jun | 3.82 | 4.02 | -0.20 |
| Jul | 3.32 | 3.32 | 0.00 |
| Aug | 3.30 | 3.18 | 0.12 |
| Sep | 2.22 | 2.21 | 0.01 |
| Oct | 2.11 | 2.02 | 0.09 |
| Nov | 0.91 | 0.93 | -0.02 |
| Dec | 0.63 | 0.64 | -0.01 |
25.96 | 25.86 | 0.10 |