| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.79 | -0.05 |
| Feb | 2.21 | 2.18 | 0.03 |
| Mar | 3.01 | 3.10 | -0.09 |
| Apr | 3.34 | 3.56 | -0.22 |
| May | 3.75 | 3.92 | -0.17 |
| Jun | 3.84 | 3.80 | 0.04 |
| Jul | 4.23 | 4.44 | -0.21 |
| Aug | 3.65 | 3.91 | -0.26 |
| Sep | 4.10 | 4.00 | 0.10 |
| Oct | 3.57 | 3.61 | -0.04 |
| Nov | 2.91 | 2.90 | 0.01 |
| Dec | 2.80 | 2.99 | -0.19 |
40.15 | 41.20 | -1.05 |