| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.83 | 3.01 | -0.18 |
| Feb | 2.63 | 2.76 | -0.13 |
| Mar | 3.64 | 3.80 | -0.16 |
| Apr | 3.30 | 3.38 | -0.08 |
| May | 3.93 | 4.21 | -0.28 |
| Jun | 4.09 | 4.36 | -0.27 |
| Jul | 4.44 | 4.36 | 0.08 |
| Aug | 3.98 | 4.04 | -0.06 |
| Sep | 4.31 | 4.36 | -0.05 |
| Oct | 3.51 | 3.88 | -0.37 |
| Nov | 2.91 | 3.19 | -0.28 |
| Dec | 3.55 | 3.66 | -0.11 |
43.12 | 45.01 | -1.89 |