| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.86 | -0.26 |
| Feb | 3.16 | 3.35 | -0.19 |
| Mar | 4.18 | 4.27 | -0.09 |
| Apr | 4.24 | 4.53 | -0.29 |
| May | 3.78 | 3.72 | 0.06 |
| Jun | 4.53 | 4.34 | 0.19 |
| Jul | 4.14 | 4.19 | -0.05 |
| Aug | 4.17 | 4.07 | 0.10 |
| Sep | 4.54 | 4.41 | 0.13 |
| Oct | 5.18 | 5.15 | 0.03 |
| Nov | 3.97 | 3.96 | 0.01 |
| Dec | 4.42 | 4.62 | -0.20 |
49.91 | 50.47 | -0.56 |