| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.53 | -0.15 |
| Feb | 2.64 | 2.74 | -0.10 |
| Mar | 4.03 | 4.22 | -0.19 |
| Apr | 3.60 | 3.64 | -0.04 |
| May | 3.87 | 4.00 | -0.13 |
| Jun | 4.26 | 4.42 | -0.16 |
| Jul | 4.95 | 4.86 | 0.09 |
| Aug | 4.17 | 4.39 | -0.22 |
| Sep | 4.07 | 4.13 | -0.06 |
| Oct | 4.06 | 4.08 | -0.02 |
| Nov | 3.21 | 3.29 | -0.08 |
| Dec | 4.10 | 4.34 | -0.24 |
46.34 | 47.64 | -1.30 |