| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.55 | -0.29 |
| Feb | 2.75 | 2.93 | -0.18 |
| Mar | 4.03 | 4.36 | -0.33 |
| Apr | 3.63 | 3.69 | -0.06 |
| May | 3.60 | 3.77 | -0.17 |
| Jun | 4.25 | 4.24 | 0.01 |
| Jul | 4.64 | 4.61 | 0.03 |
| Aug | 4.40 | 4.70 | -0.30 |
| Sep | 4.53 | 4.39 | 0.14 |
| Oct | 3.77 | 4.01 | -0.24 |
| Nov | 3.19 | 3.17 | 0.02 |
| Dec | 4.09 | 4.34 | -0.25 |
46.14 | 47.76 | -1.62 |