| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.29 | -0.11 |
| Feb | 2.58 | 2.67 | -0.09 |
| Mar | 3.71 | 3.77 | -0.06 |
| Apr | 3.69 | 3.67 | 0.02 |
| May | 4.13 | 4.12 | 0.01 |
| Jun | 4.07 | 4.12 | -0.05 |
| Jul | 4.03 | 3.83 | 0.20 |
| Aug | 3.43 | 3.64 | -0.21 |
| Sep | 4.69 | 4.95 | -0.26 |
| Oct | 3.74 | 3.80 | -0.06 |
| Nov | 3.19 | 3.18 | 0.01 |
| Dec | 3.44 | 3.54 | -0.10 |
43.88 | 44.58 | -0.70 |