| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.43 | 0.01 |
| Feb | 2.93 | 2.92 | 0.01 |
| Mar | 4.01 | 4.10 | -0.09 |
| Apr | 3.41 | 3.46 | -0.05 |
| May | 3.64 | 3.74 | -0.10 |
| Jun | 4.03 | 4.18 | -0.15 |
| Jul | 4.33 | 4.35 | -0.02 |
| Aug | 4.88 | 5.02 | -0.14 |
| Sep | 4.07 | 4.26 | -0.19 |
| Oct | 3.79 | 4.03 | -0.24 |
| Nov | 3.15 | 3.23 | -0.08 |
| Dec | 3.62 | 3.80 | -0.18 |
45.30 | 46.52 | -1.22 |