| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.86 | 3.65 | 0.21 |
| Feb | 3.00 | 3.04 | -0.04 |
| Mar | 3.75 | 3.74 | 0.01 |
| Apr | 4.03 | 4.20 | -0.17 |
| May | 3.64 | 3.63 | 0.01 |
| Jun | 4.16 | 4.13 | 0.03 |
| Jul | 3.26 | 3.17 | 0.09 |
| Aug | 3.15 | 3.23 | -0.08 |
| Sep | 3.89 | 3.80 | 0.09 |
| Oct | 5.15 | 5.18 | -0.03 |
| Nov | 4.54 | 4.51 | 0.03 |
| Dec | 4.53 | 4.56 | -0.03 |
46.96 | 46.84 | 0.12 |